Study sets matching "mcat endocrine system"

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Study sets matching "mcat endocrine system"

43 terms
MCAT-Endocrine System
Endocrine system
Hypothalamus
Pituitary Gland
Thyroid
Glands secrete hormones that regulate processes such as growt…
A neural structure lying below the thalamus; it directs sever…
The endocrine system's most influential gland. Under the infl…
endocrine gland located below the voice box; it produces horm…
Endocrine system
Glands secrete hormones that regulate processes such as growt…
Hypothalamus
A neural structure lying below the thalamus; it directs sever…
82 terms
MCAT: Biology (Endocrine System)
Endocrine system
direct hormones stimulate _____, tropi…
endocrine system: ________ stimulate o…
endocrine system: _______ stimulate ot…
The endocrine system is the collection of glands that produce…
organs, other glands
direct hormones
tropic hormones
Endocrine system
The endocrine system is the collection of glands that produce…
direct hormones stimulate _____, tropi…
organs, other glands
51 terms
MCAT Physiology - Endocrine System
Endocrine system
Endocrine glands vs. exocrine gland
Types of communication pathways
Types of hormones
General, nonspecific, slow and long term effect: Creates horm…
Endocrine glands release hormones into bloodstream or lymph s…
Autocrine: cell releases chemical, chemical binds to cell (im…
1. Peptide: water-soluble, can travel through blood stream un…
Endocrine system
General, nonspecific, slow and long term effect: Creates horm…
Endocrine glands vs. exocrine gland
Endocrine glands release hormones into bloodstream or lymph s…
72 terms
MCAT Biology - Endocrine System
Glands
Hormones
Classification of Hormones by Chemical…
Peptide Hormones
Organs that secrete hormones.
Signaling molecules that are secreted directly into the blood…
- Hormones can be peptides, steroids or amino acid derivatives.
- Made up of amino acids ranging in size from quite small (AD…
Glands
Organs that secrete hormones.
Hormones
Signaling molecules that are secreted directly into the blood…
MCAT Nervous &Endocrine System
Action Potentials
Synaptic Transmission
neuron
Nerve
electrochemical impulses neurons use to transmit and process…
-Process when an action potential reaches the end of an axon…
-Basic functional and structural unit of the nervous system…
a large bundle of many different axons from different neurons
Action Potentials
electrochemical impulses neurons use to transmit and process…
Synaptic Transmission
-Process when an action potential reaches the end of an axon…
131 terms
MCAT Bio - The Endocrine System
Endocrine System
What is the difference between an endo…
What are the 3 types of cell signaling…
Endocrine Glands
- acts as a means of internal communication... - coordinates the…
Endocrine glands secrete hormones directly into the blood str…
1. autocrine (same cell that releases is stimulated)... 2. parac…
- synthesize and secrete hormones directly into the circulato…
Endocrine System
- acts as a means of internal communication... - coordinates the…
What is the difference between an endo…
Endocrine glands secrete hormones directly into the blood str…
MCAT - Bio - Endocrine System Organs
Hypothalamus
suprachiasmatic nucleus
negative feedback
hypophyseal portal system
bridge between the nervous and endocrine system, located in t…
part of the hypothalamus that receives light input from the r…
type of regulation that responds to a change in conditions by…
blood vessel system that directly connects the hypothalamus w…
Hypothalamus
bridge between the nervous and endocrine system, located in t…
suprachiasmatic nucleus
part of the hypothalamus that receives light input from the r…
95 terms
MCAT: Biology-endocrine system
Endocrine system
Three types of signaling in the endocr…
autocrine
paracrine
Complex association of many different organs and tissues work…
autocrine, paracrine and endocrine
cells produce a signaling hormone that binds to the same cell…
signaling between very close cells like the hypothalamus with…
Endocrine system
Complex association of many different organs and tissues work…
Three types of signaling in the endocr…
autocrine, paracrine and endocrine
43 terms
MCAT Endocrine system
Body organs with endocrine capabilities
two varieties of hormones
hypothalamus
hypophyseal portal system
hypothalamus, pituitary, testes, ovaries, pineal gland, kidne…
peptide and steroid
regulates pituitary gland via paracrine release of hormones
where hypothalamus secretes hormones that bind to receptors i…
Body organs with endocrine capabilities
hypothalamus, pituitary, testes, ovaries, pineal gland, kidne…
two varieties of hormones
peptide and steroid
MCAT: Biology-endocrine system
Endocrine system
Three types of signaling in the endocr…
autocrine
paracrine
Complex association of many different organs and tissues work…
autocrine, paracrine and endocrine
cells produce a signaling hormone that binds to the same cell…
signaling between very close cells like the hypothalamus with…
Endocrine system
Complex association of many different organs and tissues work…
Three types of signaling in the endocr…
autocrine, paracrine and endocrine
15 terms
Biology MCAT- Endocrine System
Endocrine Basics
Hormone Types:... Describe the PEPTIDE h…
Hormone Types:... Describe the STEROID h…
Axis of Regulation: composed of?
S- synthesized (de novo or made beforehand)... S- secreted into…
Structure: Hydrophilic... Can be polypeptide or amino-acid deri…
Structure: Hydrophobic... Lipid based or amino-acid derived... Si…
1. Hypothalamus... 2. Pituitary gland (hypophysis)... a. anterior…
Endocrine Basics
S- synthesized (de novo or made beforehand)... S- secreted into…
Hormone Types:... Describe the PEPTIDE h…
Structure: Hydrophilic... Can be polypeptide or amino-acid deri…
55 terms
MCAT BIO Endocrine system
Autocrine
Juxtacrine
Paracrine
Endocrine
Cell signal itself via a chemical that it synthesized itself
Cell signal neighboring cells it is in physical contact with…
Chemical signals that diffuse into an area and interact with…
Gland secret hormones into circulatory system, where transpor…
Autocrine
Cell signal itself via a chemical that it synthesized itself
Juxtacrine
Cell signal neighboring cells it is in physical contact with…
35 terms
MCAT Review: Endocrine System
Describe an endocrine gland vs an exoc…
What is the difference between a tropi…
The anterior pituitary is regulated in…
Name all of the hormones secreted by t…
Endocrine glands secrete hormones directly into the blood str…
Topic hormones stimulate other endocrine glands while direct…
Hypothalamus.
Growth hormone (GH)... Prolactin... Adrenocorticotropic hormone (AC…
Describe an endocrine gland vs an exoc…
Endocrine glands secrete hormones directly into the blood str…
What is the difference between a tropi…
Topic hormones stimulate other endocrine glands while direct…
36 terms
MCAT Biology- Endocrine System
Endocrine
Endocrine vs. Exocrine, Autocrine, Par…
Hormones
Hypothalamus
endo= within ... crine= secrete ... endocrine glands secreting hor…
Endocrine: hormone, no duct, acts long distances ex: pituitar…
chemicals that regulate metabolism and function of cells
major endocrine gland in the forebrain, is about the size of…
Endocrine
endo= within ... crine= secrete ... endocrine glands secreting hor…
Endocrine vs. Exocrine, Autocrine, Par…
Endocrine: hormone, no duct, acts long distances ex: pituitar…
MCAT Endocrine System
Endocrine Hormones
Steroid Hormones
Hypothalamus
Gonadotropin Releasing Hormone (GnRH)
all of them bind to a protein receptor
Act at the level of transcription by regulating amount of mRN…
Stimulates pituitary to release its hormones. ... Hormones: ADH,…
Purpose: Stimulates pituitary to release FSH and LH ... Location…
Endocrine Hormones
all of them bind to a protein receptor
Steroid Hormones
Act at the level of transcription by regulating amount of mRN…
56 terms
The Endocrine System MCAT
glands
hormones
insulin
glucagon
the organs of the Endocrine system that secrete hormones into…
signaling molecules that are secreted directly into the blood…
favors the transport of glucose into organs as well as the st…
triggers release of sugar stores and raises blood glucose con…
glands
the organs of the Endocrine system that secrete hormones into…
hormones
signaling molecules that are secreted directly into the blood…
43 terms
Endocrine System MCAT
Peptide Hormones
Steroid Hormones
Dimerization
Amino-Acid Derivative Hormones
Made of amino acids, derived from larger precursors, charged,…
Derived from cholesterol, produced by gonads/adrenal cortex,…
Pairing of two receptor/hormone complexes
Derived from 1/2 amino acids w/ modifications
Peptide Hormones
Made of amino acids, derived from larger precursors, charged,…
Steroid Hormones
Derived from cholesterol, produced by gonads/adrenal cortex,…
14 terms
MCAT Biology Endocrine System
Hormones
Endocrine Gland
Exocrine Gland
Difference between Peptide and Steroid…
molecules secreted into the bloodstream by an endocrine gland
ductless gland whose secretory products are picked up by capi…
secrete their products into the external environment by way o…
Peptide- made in the RER, stored in vesicles, Exocytosis, Sec…
Hormones
molecules secreted into the bloodstream by an endocrine gland
Endocrine Gland
ductless gland whose secretory products are picked up by capi…
32 terms
mcat biology endocrine system
Direct hormones
Tropic hormones
Mechanism of hormone action
Follicle-stimulating (FSH)
directly stimulate organs
stimulate other glands
Peptides act via second messengers.... Steroids act via hormone/…
Source: Anterior pituitary.... Stimulates follicle maturation; s…
Direct hormones
directly stimulate organs
Tropic hormones
stimulate other glands
46 terms
MCAT: The Endocrine System
Hormones
Peptide Hormones
Steroid Hormones
Amino acid derivative Hormones
-Endocrine signaling involves the secretion of these directly…
-Composed of amino acids and derived from larger precursor pr…
-Derived from cholesterol... -Are minimally polar and can pass t…
-Modified amino acids... -Their chemistry shares some features w…
Hormones
-Endocrine signaling involves the secretion of these directly…
Peptide Hormones
-Composed of amino acids and derived from larger precursor pr…
67 terms
MCAT: Endocrine System (Biology)
gonadotropin-releasing hormone (GnRH)
follicle-stimulating hormone (FSH)
luteinizing hormone (LH)
progesterone
• hormone released by the hypothalamus after the onset of pub…
• peptide hormone released by the anterior pituitary that sti…
• peptide hormone released by the anterior pituitary that cau…
• steroid hormone secreted by the ovaries and placenta... • also…
gonadotropin-releasing hormone (GnRH)
• hormone released by the hypothalamus after the onset of pub…
follicle-stimulating hormone (FSH)
• peptide hormone released by the anterior pituitary that sti…
24 terms
MCAT Endocrine System
hypothalamus- releasing and inhibiting…
anterior pituitary 1 growth hormone (p…
anterior pituitary 2 prolactin (peptide)
anterior pituitary 3 tropic thyroid st…
anterior pituitary/ modify activity
increase bone and muscle growth and cell turnover rate
mammary gland and milk production
thyroid/ increase synthesis and release of TH
hypothalamus- releasing and inhibiting…
anterior pituitary/ modify activity
anterior pituitary 1 growth hormone (p…
increase bone and muscle growth and cell turnover rate
48 terms
MCAT Review - Endocrine System
Hormones
Peptide Hormones
Steroid Hormones
Amino Acid-Derivative Hormones
signaling molecules that are secreted directly into the blood…
-made up of amino acids. ... -charged and cannot pass through pl…
-derived from cholesterol (non-polar molecule)... -can easily cr…
derived from one or two amino acids + modifications
Hormones
signaling molecules that are secreted directly into the blood…
Peptide Hormones
-made up of amino acids. ... -charged and cannot pass through pl…
43 terms
MCAT Endocrine system
tropic hormones
Hormones secreted by the anterior pitu…
Prolactin
Growth Hormone (GH)
hormones that stimulate other glands to release their hormones
Follicle stimulating (FSH) (tropic)... Luteinizing (LH) (tropic)…
(pepetide) (Anterior Pituitary) it stimulates milk production…
promotes growth of muscle & bone by preventing glucose uptake…
tropic hormones
hormones that stimulate other glands to release their hormones
Hormones secreted by the anterior pitu…
Follicle stimulating (FSH) (tropic)... Luteinizing (LH) (tropic)…
MCAT Endocrine system Psych
Two major control system of body
the primary connection between the ner…
Endocrine system regulates
Endocrine gland
-endocrine system: takes longer to communicate signals, longe…
hypothalamic-pituitary axis
physiology (especially metabolism) over a period of hours to…
-ductless gland... secretory products are picked up by capillari…
Two major control system of body
-endocrine system: takes longer to communicate signals, longe…
the primary connection between the ner…
hypothalamic-pituitary axis
MCAT Endocrine System
Hypothalamus
Hypophyseal portal system
Tropic hormones secreted by hypothalam…
Hormones released from posterior pitui…
Bridge between the nervous and endocrine systems. Controls th…
A blood vessel system that directly connects the hypothalamus…
1. Gonadotropin-releasing hormone (GnRH) -> follicle-stimulat…
Oxytocin (stimulates uterine contractions during labor and mi…
Hypothalamus
Bridge between the nervous and endocrine systems. Controls th…
Hypophyseal portal system
A blood vessel system that directly connects the hypothalamus…
24 terms
MCAT Endocrine System
Oxytocin
Anti-Diuretic Hormone / ADH (vasopress…
Follicle-Stimulating Hormone / FSH
Luteinising Hormone / LH
Hypothalamus... Strengthens uterine contractions.
Hypothalamus... Regulates water re-absorbtion in the kidneys.
Anterior Pituitary... Stimulates spermatogenesis in males growth…
Anterior Pituitary... Stimulates conversion of cholesterol to te…
Oxytocin
Hypothalamus... Strengthens uterine contractions.
Anti-Diuretic Hormone / ADH (vasopress…
Hypothalamus... Regulates water re-absorbtion in the kidneys.
40 terms
MCAT Endocrine System
3 Types of Hormones
Peptide Hormone
Steroid Hormone
Amino Acid- Derivative Hormone
Peptide, Steroid, Amino Acid-Derivative
Composed of amino acids and are derived from larger precursor…
Derived from cholesterol. binds to intracellular receptors ->…
Modified amino acids. Chemistry shares features with peptide…
3 Types of Hormones
Peptide, Steroid, Amino Acid-Derivative
Peptide Hormone
Composed of amino acids and are derived from larger precursor…
48 terms
MCAT biology: The Endocrine System
peptide hormones
steroid hormones
amino acid-derivative hormones
epinephrine and NE
composed of amino acids and are derived from target precursor…
derived from cholesterol; minimally polar and can pass throug…
derived from one or two amino acids; catecholamines (epinephr…
a.a. derived hormone; extremely fast onset but are short-live…
peptide hormones
composed of amino acids and are derived from target precursor…
steroid hormones
derived from cholesterol; minimally polar and can pass throug…
MCAT-Endocrine System
Endocrine system
Pituitary Gland
Anterior Pituitary
Posterior Pituitary
Glands secrete hormones that regulate processes such as growt…
The endocrine system's most influential gland. Under the infl…
Controlled by hypothalamus... Releases hormones that regulate ac…
Direct extension of nervous tissue from hypothalamus. Nerve s…
Endocrine system
Glands secrete hormones that regulate processes such as growt…
Pituitary Gland
The endocrine system's most influential gland. Under the infl…
25 terms
MCAT BIOLOGY: Endocrine system
FSH
LH
Adrenocorticopathic hormone
thyroid stimulating hormone
peptide - anterior pituitary... Stimulates follice maturation i…
peptide - anterior pituitary... stimulates ovulation in females…
peptide - anterior pituitary... stimulates the adrenal cortex t…
peptide - anterior pituitary... stimulates the thyroid to produ…
FSH
peptide - anterior pituitary... Stimulates follice maturation i…
LH
peptide - anterior pituitary... stimulates ovulation in females…
25 terms
MCAT Endocrine System
follicle stimulating hormone (FSH)
lutenizing hormone
adrenocorticotropic hormone (ACTH)
thyroid-stimulating hormone (TSH)
anterior pituitary; stimulates follicle maturation; spermatog…
anterior pituitary; stimulates ovulation; testosterone synthe…
anterior pituitary; stimulates adrenal cortex to make and sec…
anterior pituitary; stimulates thyroid to produce thyroid hor…
follicle stimulating hormone (FSH)
anterior pituitary; stimulates follicle maturation; spermatog…
lutenizing hormone
anterior pituitary; stimulates ovulation; testosterone synthe…
39 terms
MCAT-Endocrine System
Exocrine glands
endocrine glands
peptide hormones
effector
release enzymes to external enviroment through ducts
release hormones into bodily fluids
manufactured in rough ER; prehormone->Golgi->hormone->exocyto…
target cell
Exocrine glands
release enzymes to external enviroment through ducts
endocrine glands
release hormones into bodily fluids
MCAT Biology: The Endocrine System
Glands
Hormones
Classification of hormones
Peptide hormones
- secrete hormones
- signaling molecules that are secreted directly into the blo…
1) Peptides... 2)Steroids... 3) Amino acid derivatives
- made up of amino acids derived from larger precursor polype…
Glands
- secrete hormones
Hormones
- signaling molecules that are secreted directly into the blo…
85 terms
The Endocrine System MCAT
Exocrine glands
Endocrine glands
Receptors
Peptide hormones
Release enzymes to the external environment through ducts
Release hormones directly into body fluids
Hormones bind to these proteins and they are highly specific…
Hormones derived from peptides that may be large or small and…
Exocrine glands
Release enzymes to the external environment through ducts
Endocrine glands
Release hormones directly into body fluids
MCAT Biology: The Endocrine System
3 classes of hormones
peptide hormones
cAMP, IP3, and Ca are....
adenylate cyclase
peptide, steroidal, and amino acid derivative
made up of amino acids, range in size from small to large. cl…
second messengers
the enzyme activated by g-protein coupled receptors to raise…
3 classes of hormones
peptide, steroidal, and amino acid derivative
peptide hormones
made up of amino acids, range in size from small to large. cl…
121 terms
MCAT Endocrine System
What kind of hormone comes from the pa…
glands that produce and secrete substa…
what are the features of paracrine hor…
What are the features of juxtacrine ho…
exocrine
exocrine glands
cell-cell comm, happens thru extracellular fluid, signaling i…
cells are in contact with each other. direct contact or a bri…
What kind of hormone comes from the pa…
exocrine
glands that produce and secrete substa…
exocrine glands
10 terms
Endocrine System MCAT
Anterior Pituitary Hormones (6)... Peptid…
Posterior Pituitary Hormones (2)... Pepti…
Parathyroid Hormones (1)... Peptides (Wat…
Pancreas Hormones (2)... Peptides (Water-…
FSH... LH... ACTH... hGH... TSH... Prolactin
ADH... Oxytocin
PTH
Glucagon... Insulin
Anterior Pituitary Hormones (6)... Peptid…
FSH... LH... ACTH... hGH... TSH... Prolactin
Posterior Pituitary Hormones (2)... Pepti…
ADH... Oxytocin
33 terms
MCAT- Bio-Endocrine System
exocrine glands
endocrine glands
peptide hormones
effector
release hormones to external environment through ducts
release hormones into blood stream
derived from peptides- water soluble, move freely through blo…
target cell of the hormone
exocrine glands
release hormones to external environment through ducts
endocrine glands
release hormones into blood stream
38 terms
nervous and endocrine system MCAT
function of endocrine system
meaning of endorcine
endocrine vs. exocrine, autocrine, par…
hormone
Endocrine system = make hormones = specific control of all ta…
endo = within, crine = to secrete
endocrine: hormone, no duct, acts long distances... exocrine: no…
chemicals that regulate metabolism and function of cells.
function of endocrine system
Endocrine system = make hormones = specific control of all ta…
meaning of endorcine
endo = within, crine = to secrete
MCAT Nervous and Endocrine Systems
Action Potentials
Synaptic Transmission
Neuron
Soma
Information processing via electrochemical impulses in neurons
The chemical signal created from the release of a neurotransm…
Basic functional and structural unit of the nervous system
Central cell body of a neuron, contains nucleus
Action Potentials
Information processing via electrochemical impulses in neurons
Synaptic Transmission
The chemical signal created from the release of a neurotransm…
25 terms
Hormones of Endocrine System (MCAT)
GH
Releasing and Inhibitory Factors
Prolactin
TSH
Growth Hormone/Anterior Pituitary/stimulate bone and muscle g…
Released by: Hypothalamus to regulate anterior pituitary (Pep…
Mammary glands/increase milk production (Peptide) (anterior p…
(Tropic) Thyroid/stimulates release of TH... (Peptide) (tropic)…
GH
Growth Hormone/Anterior Pituitary/stimulate bone and muscle g…
Releasing and Inhibitory Factors
Released by: Hypothalamus to regulate anterior pituitary (Pep…
MCAT - Endocrine System
nervous system vs. endocrine system
peptide hormones
thyroid hormones
how does Epinephrine signal adrenal me…
NS = fast-acting short-term effects... ES = slow-acting, longer…
hydrophilic, use secondary messenger cascade ... two subgroups:…
peptide hormones, but behave more like steroid hormones (can…
it binds to cell surface receptor on medulla, it triggers a c…
nervous system vs. endocrine system
NS = fast-acting short-term effects... ES = slow-acting, longer…
peptide hormones
hydrophilic, use secondary messenger cascade ... two subgroups:…
53 terms
MCAT - Biology - The Endocrine System
endocrine signaling involves the secre…
__________ bind to external receptors…
peptide hormones are __________ (polar…
peptide hormones bind to __________ __…
hormones, bloodstream
hormones
polar, cannot
extracellular receptors, second messenger
endocrine signaling involves the secre…
hormones, bloodstream
__________ bind to external receptors…
hormones
132 terms
MCAT Bio - The Endocrine System
Endocrine System
What is the difference between an endo…
What are the 3 types of cell signaling…
Endocrine Glands
- acts as a means of internal communication... - coordinates the…
Endocrine glands secrete hormones directly into the blood str…
1. autocrine (same cell that releases is stimulated)... 2. parac…
- synthesize and secrete hormones directly into the circulato…
Endocrine System
- acts as a means of internal communication... - coordinates the…
What is the difference between an endo…
Endocrine glands secrete hormones directly into the blood str…
131 terms
MCAT Bio - The Endocrine System
Endocrine System
What is the difference between an endo…
What are the 3 types of cell signaling…
Endocrine Glands
- acts as a means of internal communication... - coordinates the…
Endocrine glands secrete hormones directly into the blood str…
1. autocrine (same cell that releases is stimulated)... 2. parac…
- synthesize and secrete hormones directly into the circulato…
Endocrine System
- acts as a means of internal communication... - coordinates the…
What is the difference between an endo…
Endocrine glands secrete hormones directly into the blood str…
64 terms
MCAT: Biology (Endocrine System)
Direct Hormones
Tropic Hormones
Hormones produced in the Anterior Pitu…
Action of Follicle-stimulating hormone
Directly stimulate organs
Stimulate other glands
Follicle-stimulating hormone... Luteinizing Hormone... Adrenocortic…
Stimulates follicle maturation, spermatogenesis
Direct Hormones
Directly stimulate organs
Tropic Hormones
Stimulate other glands
MCAT - Biology (Endocrine System)
Hormones
What are the three classes of hormones?
What are peptide hormones made up of?
Can peptides pass through the plasma m…
Signaling molecules that are secreted directly into bloodstre…
Peptides, steroids, amino acid derivatives
Amino acids
No, they are charged and therefore, cannot pass through membr…
Hormones
Signaling molecules that are secreted directly into bloodstre…
What are the three classes of hormones?
Peptides, steroids, amino acid derivatives
25 terms
MCAT Hormones of the Endocrine System
releasing and inhibiting factors
growth hormone (GH)
prolactin
thyroid stimulating hormone (TSH)
(peptides) - hypothalamus gland... target/effect: anterior pitui…
(peptide) - anterior pituitary... target/effect: increase bone a…
(peptide)- anterior pituitary... target/effect: mammary gland/mi…
(peptide) - tropic... target/effect: thyroid/increase synthesis…
releasing and inhibiting factors
(peptides) - hypothalamus gland... target/effect: anterior pitui…
growth hormone (GH)
(peptide) - anterior pituitary... target/effect: increase bone a…
40 terms
Endocrine System MCAT 2015
Diabetes 1 and 2
What are hormones
3 types of hormones
How are peptide hormones derived? Pack…
Type 1 is an autoimmune disease in which insulin-producing ce…
Signaling molecules that are secreted directly into the blood…
Peptide hormones ... Steroids... Amino acid derivatives
1. They are derived from precursor proteins that are cleaved…
Diabetes 1 and 2
Type 1 is an autoimmune disease in which insulin-producing ce…
What are hormones
Signaling molecules that are secreted directly into the blood…
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