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Spermatozoa develop where..?

Seminiferous tubules

What produces testosterone?

Interstitial cells

Where is sperm stored?

Epididymis

What hormone stimulates sperm production

Interstitial cell-stimulating hormone, aka: LH

Where are waste materials in the blood filtered through?

Renal artery

Filtration occurs where?

Glomerulus in Bowman's capsule of nephron

What happens to important nutrients such as water, glucose & ions?

Diffused & reenter the blood

T/F: Is water reabsorbed at the tubules?

True.

Define: Lacteal Vessel

Within villi of intestinal wall.. where fat nutrients are absorbed.

Peptidase

Digests proteins

Sucrase

Digests sugars

Functions of the Liver

1. Stores vitamins & iron
2. Produces bile which aids in digestion

Where is bile stored?

Gallbladder

Bicarbonates

Produced in pancreas, & neutralizes stomach acids

What digests proteins in the pancreas?

Trypsin & chymotrypsin

Hormones of the anterior lobe of Pituitary

(adenohypophysis)- tropic hormones.. act on other endocrine glands
1. Growth hormone
2. Adrenocorticotropic hormone (ACTH)
3. Tyroid stimulating hormone (TSH)
4. Follicle stimulating hormone (FSH)
5. Luteinizing hormone (LH)

Hormones of Posterior Lobe of Pituitary

Oxytocin & ADH

Phagocytic WBCs

Neutrophil & Monocytes

Antibody forming WBC

Lymphocyte

Location of Tricuspid Valve

Right side

Location of Bicuspid Valve

Left side

Blood is supplied to the myocardium via the..

coronary arteries

Blood drains from myocardium into the ___________ through the __________

Into the Right Atrium through the Coronary Sinus

Gonadotropins

Follicle stimulating hormone (FSH)--> stimulates to secrete estrogen
Letenizing hormone (LH)--> triggers ovulation, stimulates secretion of progester by corpus luteum, & estrogen, & testosterone

ACTH (adrenocorticotropic hormone)

Released by Ant. Pit., is a gluccocoticoid.
Stress related stimuli such as low blood glucose, fever, physical trauma

ADH

Conserves water by decreasing urine volume so more concentrated
Increases BP by constricting arterioles

Gluccocorticoids

Steriod, increases blood glucose in response to stress

Androgen

Testosterone

Hormones produced by adrenal medulla

Epinephrine & Norepinephrine... increase HR, dilate airwayes

Layers of the skin (deep to superficial)

Stratum Basale (Germinativum)
Stratum Spinosum
Stratum Granulosum
*Stratum Lucidum (Soles & Palms)
Stratum Corneum

Sudoriferous glands

Sweat glands

Eccrine sweat glands

Ducts connect to pores.. for thermoregulation

Apocrine sweat glands

Only in axillary & groin..
ducts connect to hair follicles
sebum

Ear canal

Ceruminous glands, secretes cerumen
Speacilized apocrine gland

Sebaceous glands

Oil.
Sebum- oily holocrine secretion.. lubricates skin to prevent drying
bactericidal

Holocrine secretion

Whole cell detaches

Minerals stored in bones

Calcium & phosphorus

Bone forming cells

Osteoblasts

Osteocytes

Maintain bone matrix, mature, fixed

Structural unit of bone

Osteon (aka: Haverstian system)

Lamellae

Concentric circles.. weight bearing

Axial skeleton consists of...

28 bones of the skull
14 facial bones
14 cranial bones
33 vertebral bones

Each muscle cell consists of:

Myofibrils made up of sacrcomeres

Nervous stimulation from motor neurons causes:

release of Ca from sarcoplasmic reticulum which attach to proteins on actin filaments

The Dermis

rests on subcutaneous tissue

Bones of the vertebral column..

7 cervical
12 thoracic
5 lumbar
5 sacral

Hypothalamus regulates..

Body temp, sleep & appetite

Dorsal Horn

where sensory neurons enter spinal cord

Diffusion

Movement of materials from high concentration to low

Subcutaneous tissue

Layer of tissue under the dermis that contains adipose tissue

Coronal plane

Line that divides body anteriorly & posteriorly

absorption

movement of nutrients from the digestive tube into the blood stream

Actin

Protein making up the I-band of the sarcomere

Antibody

Special proteins that protect the body from foreign substances

ATP

(adenosine phosphate)- energy of the cell

Bile

Product of the liver that emusifies fat

Cartilage

Tissue made up of cells & fibers that connect & support

Chromosomes

Bodies w/in the nucleus made of DNA & proteins called histones

Enzymes

Functional proteins, their names usually end in ase... regulate chemical reactions in body

Glucose

Simple sugar. (usuall found in fruits)

Ligaments

Bone to bone

Mucous Membrane

thin sheets of tissue cells that line body openings or canals that open to the outside of the body

Myosin

Proteins that make up nearly half the proteins in muscle cells

Mucuous membranes vs. Serous membrances

-mucous membranes: line body openings or canals that open to the outside of the body
-serous membranes: line body cavities not having exits to the outside

Connective tissue

Framework for the body- provides structure & support for the organs

Pathway for sperm during ejaculation

vas deferens, ejaculatory duct, & urethra

PNS

nerves that send info to & fro CNS

Simple spinal reflexes

reflexes that travel through spinal cord only.. do not reach the brain

Where do the endocrine & nervous systems meet?

Hypothalamus & Pituitary gland

2 major groups of hormones?

Steroid hormones & protein hormones

Steroid hormones

Hormones that target cells & have direct effect on DNA of the nucleus

Protein hormones

Stay on cell surface & act through second messenger.. AMP

How do most hormones effect cell activity?

By altering rate of protein synthesis

Superior & Inferior Vena Cava enter..

the right atrium

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