Study sets matching "term:electrical = signaling that controls ion grates for nerve and tissue."

Study sets
Classes
Users

Study sets matching "term:electrical = signaling that controls ion grates for nerve and tissue."

36 terms
Nerve Tissue
Central Nervous System (CNS)
Peripheral Nervous System (PNS)
Neurons
Neuroglia
consists of brain and spinal cord
consists of nerves and groups of nerve cells that form gangli…
specialized for conduction of electrical impulses
neuron supporting cells
Central Nervous System (CNS)
consists of brain and spinal cord
Peripheral Nervous System (PNS)
consists of nerves and groups of nerve cells that form gangli…
Ion Channels and Electrical Signaling
Electrical signaling
Selectivity filters
How are ion channels controlled?
Membrane potential
Uses opening and closing of ion channels to change the membra…
Filters on ion channels that shapes the opening to fit only a…
Ion channel flows are controlled by gates on the channels whe…
The voltage of the cytoplasm of the cell
Electrical signaling
Uses opening and closing of ion channels to change the membra…
Selectivity filters
Filters on ion channels that shapes the opening to fit only a…
Neurons and Electrical Signaling
Why is communication important
What two regulatory systems of the bod…
brain is the
what kind of tissue are nerves and wha…
for maintaing homeostasis
nervous system (rapid)... endocrine system (slow)... the hypothala…
control center
excitable tissue ... -they undergo rapid changes in their membra…
Why is communication important
for maintaing homeostasis
What two regulatory systems of the bod…
nervous system (rapid)... endocrine system (slow)... the hypothala…
33 terms
12.3 Electrical signals in neurons
Two types of neuron electrical signals
Graded potentials
Action potentials
Nerve action potential (nerve impulse)
graded potentials & action potentials
used for short-distance communication only
allow communication over long distances within the body
an action potential that occurs in a neuron
Two types of neuron electrical signals
graded potentials & action potentials
Graded potentials
used for short-distance communication only
125 terms
Nerve Tissue
Neuron
Neuroglia
Central Nervous System
Peripheral Nervous System
Large cells, transmit/generate messages in the form of nerve…
a class of cells in the brain and spinal cord that form a sup…
`
Neuron
Large cells, transmit/generate messages in the form of nerve…
Neuroglia
a class of cells in the brain and spinal cord that form a sup…
Nervous System
Nervous System Job/Function
Major Organs
Brain
brain stem
to control all body processes and interpret the world, contro…
Brain, Brain Stem, Spinal Cord, Nerves, Neuron
Main control center of the body, sends and receives electrica…
controls heart beat, organs, and breathing
Nervous System Job/Function
to control all body processes and interpret the world, contro…
Major Organs
Brain, Brain Stem, Spinal Cord, Nerves, Neuron
111 terms
Chapter 16: Nervous Tissue
structures that make up the nervous sy…
What structures are in the CNS?
What structures are in the PNS?
The brain stem merges with the spinal…
brain... cranial nerves and their branches... spinal cord... spinal ne…
brain and spinal cord
cranial nerves and their branches... spinal nerves and their bra…
foramen magnum
structures that make up the nervous sy…
brain... cranial nerves and their branches... spinal cord... spinal ne…
What structures are in the CNS?
brain and spinal cord
19 terms
Biology Section 17.2: Specialized Tissue in Animals
Nervous tissue
Neuron
Dendrite
Axon
the tissue responsible for regulating, controlling and transm…
a nerve cell that processes and transmits information through…
a branched appendage attached to a neuron's cell body that re…
a long tail extending away from a cell body through which imp…
Nervous tissue
the tissue responsible for regulating, controlling and transm…
Neuron
a nerve cell that processes and transmits information through…
33 terms
Nervous tissue and neurotransmission CFA
action potential
astrocytes
autonomic
axon
electrical event that occurs when enough stimulus is applied…
glial cell that anchors neuron to blood supply in CNS
involuntary division of PNS regulates cardiac, smooth muscle…
sends signal away from neuron
action potential
electrical event that occurs when enough stimulus is applied…
astrocytes
glial cell that anchors neuron to blood supply in CNS
55 terms
Ch 11- Nervous Tissue Synaptic Signaling and Disease
Synapse
Electrical synapses
Chemical synapses
Axodendritic synapse
a structure that permits a neuron to pass an electrical or ch…
Gap junctions conduct signal directly between cytoplasm (*car…
- First neuron releases neurotransmitter onto second neuron t…
synapses between the axon endings of one neuron and the *de…
Synapse
a structure that permits a neuron to pass an electrical or ch…
Electrical synapses
Gap junctions conduct signal directly between cytoplasm (*car…
30 terms
The Nervous System and Nerve Signaling (AP Bio)
Central Nervous System
Peripheral Nervous System
Autonomic Nervous System
Sympathetic System
The portion of the nervous system consisting of the brain and…
The portion of the nervous system consisting of neurons proje…
The portion of the nervous system that controls involuntary a…
The portion of the autonomic nervous system that works to exc…
Central Nervous System
The portion of the nervous system consisting of the brain and…
Peripheral Nervous System
The portion of the nervous system consisting of neurons proje…
Nerve Tissue
Sensory (afferent) division
Integrative nerves
Motor (efferent) nerves
Cranial nerves
Carries signals from various receptors to the CNS.
Lie entirely within the CNS. Recieve signals from many other…
Carries signals from the CNS to the gland and muscle cells th…
Nerves that do not extend from the vertebrae; control and sen…
Sensory (afferent) division
Carries signals from various receptors to the CNS.
Integrative nerves
Lie entirely within the CNS. Recieve signals from many other…
43 terms
chap 19 nerve signaling
positive
membrane potential
-70 mV
3 sodium ions are pumped
compared with the inside of the cell, the outside of most cel…
the difference in electrical charge across a plasma membrane…
a neurons resting membrane potential
out of the neuron for every 2 potassium ions pumped into the…
positive
compared with the inside of the cell, the outside of most cel…
membrane potential
the difference in electrical charge across a plasma membrane…
Nervous system
neuron
axon
dendrite
soma (cell body)
specialized type of cell transmitting a signal; making up ner…
single output extension of the neuron to transmit the electri…
multiple extensions of the soma or cell body to receive input
largest portion of the neuron that is the location of the maj…
neuron
specialized type of cell transmitting a signal; making up ner…
axon
single output extension of the neuron to transmit the electri…
Nerve Tissue function
Three sensory functions
Sensory Input
Integration
Motor Output
1.) Sensory Input... 2.) Integration... 3.) Motor Output
Sensing a thing
When your brain plots what to do with the sensory input
the response that occurs when your nervous system activates a…
Three sensory functions
1.) Sensory Input... 2.) Integration... 3.) Motor Output
Sensory Input
Sensing a thing
19 terms
Nerve and Muscle Tissue and Membranes
Nervous Tissue
Skeletal Muscle
Cardiac Muscle
Smooth Muscle
Nervous Tissue
Skeletal Muscle
95 terms
Chapter 12- Nerve Tissue
Central Nervous System (CNS)
Peripheral Nervous System (PNS)
Somatic Nervous System
Autonomic Nervous System
- Brain & Spinal Cord... - 100 billion AP producing neurons... - 12…
- Nervous tissue outside the CNS... -Consists of nerves, ganglia…
Controls voluntary movement to the skeletal muscles, and it s…
controls the involuntary movements (glands, smooth muscles, a…
Central Nervous System (CNS)
- Brain & Spinal Cord... - 100 billion AP producing neurons... - 12…
Peripheral Nervous System (PNS)
- Nervous tissue outside the CNS... -Consists of nerves, ganglia…
5 terms
Anatomy and Physiology: The Human Body: An Orientation: Nervous Tissue
Nervous Tissue
Neuroglia
Neurons
Nervous Tissue Location
composed of Neuroglia and Neurons
special supporting cells that protect, support, and insulate…
highly specialized to receive stimuli and to conduct impulses…
Brain, spinal cord, and nerves
Nervous Tissue
composed of Neuroglia and Neurons
Neuroglia
special supporting cells that protect, support, and insulate…
30 terms
PLTW: HBS - 2.2 neurons
Action Potential
Axon
Dendrite
Ion
A momentary reversal in electrical potential across a plasma…
A usually long and single nerve-cell process that usually con…
Any of the usually branching protoplasmic processes that cond…
An atom or group of atoms that carries a positive or negative…
Action Potential
A momentary reversal in electrical potential across a plasma…
Axon
A usually long and single nerve-cell process that usually con…
Ch 11 - Nervous Tissue Structure and Signaling
Endocrine system
Nervous system
2 major anatomical subdivisions
Central Nervous system (CNS)
chemical messengers (hormones) delivered to the bloodstream
1. Sense organs receive information... 2. Brain and spinal cord…
Central Nervous system (CNS)... Peripheral Nervous system (PNS)
Brain and spinal cord enclosed in bony coverings
Endocrine system
chemical messengers (hormones) delivered to the bloodstream
Nervous system
1. Sense organs receive information... 2. Brain and spinal cord…
27 terms
Neurons and nervous system intro
Central nervous system
Peripheral nervous system
Somatic nervous system
Autonomic nervous system
Consists of the brain and spinal cord
Consists of all the nerves and ganglia that lie outside the C…
Sensory and motor functions that control skeletal muscle that…
Controls smooth muscles, cardiac muscles and glands.... Monitors…
Central nervous system
Consists of the brain and spinal cord
Peripheral nervous system
Consists of all the nerves and ganglia that lie outside the C…
27 terms
Chapter 4: Brain and Nerves
spinal cord
neurons
dendrites
synapses
thick bundle of nerves that runs from the brain, down the spi…
bundles of special cells that transmit information through el…
receive information and transmit it to the neuron's body
a gap between the end of one nerve cell and the beginning of…
spinal cord
thick bundle of nerves that runs from the brain, down the spi…
neurons
bundles of special cells that transmit information through el…
11 terms
Nerve tissue physiology
Principle of electrical neutrality
Nernst Equation
Na, K pump
Depolarization
For every positive ion nearby is a negative ion to neutralize…
Relationship of the diffusion potential bto the conc. Differe…
Pumps 3 Na in and 2 K ion out
Caused by the opening if the Na ion channels allowing Na ion…
Principle of electrical neutrality
For every positive ion nearby is a negative ion to neutralize…
Nernst Equation
Relationship of the diffusion potential bto the conc. Differe…
Body Systems
cerebrum
cerebellum
brain stem
skull
largest part of the brain, consisting of two halves and servi…
coordinates voluntary movements, posture, and balance; locate…
the stalklike part of the brain that is located at the base;…
The skeleton bone of the head that encloses and protects the…
cerebrum
largest part of the brain, consisting of two halves and servi…
cerebellum
coordinates voluntary movements, posture, and balance; locate…
Introduction to Neuroscience
Central Nervous System
Peripheral Nervous System
"Reticular Theory"
"Neuron Doctrine"
Protected inside a bony skull and vertebral column.... Brain an…
Extends beyond the bony skull and vertebral column; carries s…
Camillo Golgi... Nerves cells create continuous network, commun…
Santiago Ramon y Cajal... Charles Sherrington... Neurons are discr…
Central Nervous System
Protected inside a bony skull and vertebral column.... Brain an…
Peripheral Nervous System
Extends beyond the bony skull and vertebral column; carries s…
37 terms
Chp7 Nerve cells and Electrical signals
Cell Body (soma)
Cell Body
Dendrites
Dendrites ______ from cell body and re…
Contains nucleus and orfanells, carries out cellular function…
Nucleus and organelles
Branch from the cell body and receive input signals through s…
Branch, Synapses
Cell Body (soma)
Contains nucleus and orfanells, carries out cellular function…
Cell Body
Nucleus and organelles
37 terms
BIOL 2160 Neurons and Electrical Signaling
Central Nervous System (CNS)
Peripheral Nervous system (PNS)
Efferents
Afferents
Brain and spinal cord
Inputs (receives the response and send to CNS), Output (recei…
Signals AWAY form the brain
Signal TO the brain
Central Nervous System (CNS)
Brain and spinal cord
Peripheral Nervous system (PNS)
Inputs (receives the response and send to CNS), Output (recei…
19 terms
9/22/16 Histology Nerve Tissue
neurons
glial cells
sensory neurons
interneurons
"excitable cells" capable of producing rapid electrical signa…
90% of the cells in the nervous system, provide various types…
carry impulses from outside and inside the body to the CNS
found within the CNS. Processes incoming impulses and may pas…
neurons
"excitable cells" capable of producing rapid electrical signa…
glial cells
90% of the cells in the nervous system, provide various types…
107 terms
Unit 3 All Vocab
Phrenology
Neuron
Dendrites
Axon
Francis Gall's 1800s theory that bumps on the skull reveal so…
nerve cell, basic building block of nervous system
neuron's bushy branching extensions that receive messages and…
neuron extension that passes electrical messages to other neu…
Phrenology
Francis Gall's 1800s theory that bumps on the skull reveal so…
Neuron
nerve cell, basic building block of nervous system
46 terms
Nervous System
Central Nervous System
Peripheral Nervous system
Autonomic Nervous System
Somatic Nervous System
(CNS) brain and spinal cord.
Connects the central nervous system to the body's organs and…
Controls involuntary bodily functions
Controls voluntary bodily functions
Central Nervous System
(CNS) brain and spinal cord.
Peripheral Nervous system
Connects the central nervous system to the body's organs and…
43 terms
Membrane potentials and electrical signaling
ion channel proteins control physiolog…
excitation-contraction coupling
Timed electrical excitation is importa…
ELECTRICAL SIGNALS ... do what
speed - rapid method of inter and intra cellular signaling... s…
electrical signal initiates a sequence of events which causes…
heart, trigger for alternating contraction of the atria and v…
1. control physiological functions... 2. used where speed and s…
ion channel proteins control physiolog…
speed - rapid method of inter and intra cellular signaling... s…
excitation-contraction coupling
electrical signal initiates a sequence of events which causes…
Myology-Muscle Contraction
Actin
Myosin
Somatic neuron
Axon
thin myofibril
thick myofibril
efferent motor nerve
the long threadlike part of a nerve cell along which impulses…
Actin
thin myofibril
Myosin
thick myofibril
Nervous System
nervous system
homeostasis
brain
cerebrum
The brain and spinal cord, plus all of the neurons traveling…
Maintaining the body in a stable condition. Example: regulati…
The mass of nerve tissue located in the cranium that is the m…
Largest part of the brain; coordinates voluntary actions like…
nervous system
The brain and spinal cord, plus all of the neurons traveling…
homeostasis
Maintaining the body in a stable condition. Example: regulati…
50 terms
#5- Neurons and Electrical Signaling terms
communication within the body
neural communication
CNS
PNS
- critical for homeostasis... - the 2 body system whose 1° role…
-nerves are excitable tissues ... -neurons can undergo rapid cha…
brain + spinal cord... -receives info via Affarent pathway... -send…
everything else
communication within the body
- critical for homeostasis... - the 2 body system whose 1° role…
neural communication
-nerves are excitable tissues ... -neurons can undergo rapid cha…
93 terms
Ch 11 cell signaling
Direct contact
Gap junctions
Plasmodesmata
Synaptic signaling
In animals:... Cell proteins, carbohydrates, and lipids of the p…
In animals:... .Allow for chemical and electrical signaling betw…
In plants:... .tunnels of cytoplasm between cells... .passageway fo…
When a nerve cell releases neurotransmitter molecules into a…
Direct contact
In animals:... Cell proteins, carbohydrates, and lipids of the p…
Gap junctions
In animals:... .Allow for chemical and electrical signaling betw…
22 terms
Human Nervous System
Nervous System
Neuron
Brain
Spinal cord
the network of nerve cells and fibers that transmits nerve im…
a specialized cell transmitting nerve impulses; a nerve cell.
an organ of soft nervous tissue contained in the skull of ver…
the cylindrical bundle of nerve fibers and associated tissue…
Nervous System
the network of nerve cells and fibers that transmits nerve im…
Neuron
a specialized cell transmitting nerve impulses; a nerve cell.
Cell Signaling and Kidney
Cell Signaling
Signal Transduction
How do signals appear?
How does one determine the location of…
Cell to cell communication. Involves the signaling molecules…
Entire set of changes induced by receptor activation. Usually…
Designated proteins have already made these signals they are…
Depends how quickly a product is needed, this will determine…
Cell Signaling
Cell to cell communication. Involves the signaling molecules…
Signal Transduction
Entire set of changes induced by receptor activation. Usually…
26 terms
Nervous Tissue and Brain
Central Nervous System
Peripheral Nervous System
Neuroglia
Astrocyte
brain and spinal cord
nerves that connect CNS with the rest of the body
most abundant nerve cell in CNS; support neurons
"star cell"; forms protective barrier around neurons of CNS
Central Nervous System
brain and spinal cord
Peripheral Nervous System
nerves that connect CNS with the rest of the body
Epithelial Review
Epithelial Tissue
Tissue
Epithelial Cells
Connective Tissue
tissue that covers exposed surfaces, lines passageways, and f…
collections of cells and cell products that perform specific,…
cells that cover and line body organs
tissue that fills internal spaces, supports other tissues, tr…
Epithelial Tissue
tissue that covers exposed surfaces, lines passageways, and f…
Tissue
collections of cells and cell products that perform specific,…
26 terms
Nervous Tissue and Brain
Central Nervous System
Peripheral Nervous System
Neuroglia
Astrocyte
brain and spinal cord
nerves that connect CNS with the rest of the body
most abundant nerve cell in CNS; support neurons
"star cell"; forms protective barrier around neurons of CNS
Central Nervous System
brain and spinal cord
Peripheral Nervous System
nerves that connect CNS with the rest of the body
59 terms
Ch. 9 Nerve Tissue & Nervous System
CNS (central nervous system)
PNS (peripheral nervous system)
sensory division (afferent)
motor division (efferent)
brain (cerebrum and cerebellum) and spinal cord
nerve, ganglia, nerve endings
somatic- sensory input perceived CONSCIOUSLY (ex. eyes, skin)…
somatic- motor output controlled consciously or voluntary (sk…
CNS (central nervous system)
brain (cerebrum and cerebellum) and spinal cord
PNS (peripheral nervous system)
nerve, ganglia, nerve endings
51 terms
Skeletal Muscle Tissue: Functions, Properties, Organization, Cell Structures, and the Sliding Filament Theory
excitability, contractility, elasticit…
What is excitability?
What is contractility?
What is extensibility?
4 properties of muscle fibers
m. tissue's ability to respond to a stimuli
m. tissue's ability to shorten and develop tension when stimu…
m. tissue's capacity to stretch without being damaged
excitability, contractility, elasticit…
4 properties of muscle fibers
What is excitability?
m. tissue's ability to respond to a stimuli
Nervous Tissue and Cell Signaling
neuron
neuroglia
cell body
dendrites
Nerve cell that characteristically has 3 parts: dendrites, ce…
Nonconducting nerve cells that are intimately associated with…
Portion of a neuron that contains a nucleus and from which de…
Part of a neuron that sends signals toward the cell body
neuron
Nerve cell that characteristically has 3 parts: dendrites, ce…
neuroglia
Nonconducting nerve cells that are intimately associated with…
66 terms
Ch.11 (2/2) Fundamental of the Nerve Tissue + NS
Ion Channels
Gated channels
Chemically Gated Channels
Voltage-gated Channels
Proteins... Two types:... 1) Leakage (nongated) Channels ... 2) Gated…
Open and close in RESPONSE TO A STIMULUS... Results in NEURON EX…
(Ligand-Gated)... Open with binding of a SPECIFIC NEUROTRANSMITTER
Respond to a DIRECT change in the MEMBRANE POTENTIAL
Ion Channels
Proteins... Two types:... 1) Leakage (nongated) Channels ... 2) Gated…
Gated channels
Open and close in RESPONSE TO A STIMULUS... Results in NEURON EX…
33 terms
Neural Communication
Neurons
Sensory Neurons
Motor Neurons
Interneurons
Nerve Cells; the basic building block of the nervous system
Carry incoming messages from the sensory receptors of the bod…
Carry outgoing messages from the brain and spinal cord to the…
Nurons located inside the brain and spinal cord that communic…
Neurons
Nerve Cells; the basic building block of the nervous system
Sensory Neurons
Carry incoming messages from the sensory receptors of the bod…
41 terms
2. Electrical Signals in Neurons (chapter 8)
excitable tissue
two factors that influence the membran…
The Nerst equation
The Goldman-Hodgkin-Katz (GHK) equation
nerve cells because of their ability to propagate electrical…
-the uneven distribution of ions across the cell membrane... -di…
describes the membrane potential that would result if the mem…
calculates the membrane potential that results from the contr…
excitable tissue
nerve cells because of their ability to propagate electrical…
two factors that influence the membran…
-the uneven distribution of ions across the cell membrane... -di…
39 terms
Human Phys L4 9-14
which of the following is most likely…
glucose is typicaly transported againt…
an ion flows thorough channel downs it…
according to Ficks law increasing whic…
small non polar molecule
secondary active transport
no
membrane thickness
which of the following is most likely…
small non polar molecule
glucose is typicaly transported againt…
secondary active transport
Tissue Functions
Adipose
Hyaline Cartilage
Simple Columnar Epithelium
Stratified Squamous Epithelium
connecting tissue that also stores fat and is involved in the…
strong but flexible and elastic cells that help support struc…
single layer of cells found in the lining of respiratory and…
Multiple layers of cells found in the epidermis, mouth and es…
Adipose
connecting tissue that also stores fat and is involved in the…
Hyaline Cartilage
strong but flexible and elastic cells that help support struc…
25 terms
The nerve of DJ
Axon
dendrite
PNS
CNS
the long part of a neuron that carries nerve impulses away fr…
the finger like structure that receives the electrical message
Peripheral nervous system is a division of the nervous system…
Central Nervous System
Axon
the long part of a neuron that carries nerve impulses away fr…
dendrite
the finger like structure that receives the electrical message
57 terms
Bio Nervous System vocabulary flashcards
Neuron
Axon
Dendrite
Axon Terminal
Typically consist of a cell body, which contains a nucleus an…
A long, slender projection of a nerve cell that typically con…
Tree like fashion structures that serve as the main apparatus…
The somewhat enlarged, often club- shaped endings by which ax…
Neuron
Typically consist of a cell body, which contains a nucleus an…
Axon
A long, slender projection of a nerve cell that typically con…
1 of 10