Cell bodies in the pns - Study guides, Class notes & Summaries

Neuroscience EXAM 1– USA (New 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| A Grade QUESTION myelin sheath Answer: -insulating specialized glial cells -oligodendrocytes make myelin in CNS -Schwann cells make myelin in PNS QUESTION CNS neurotransmitter Answer: excitatory: glutamate inhibitory: GABA QUESTION PNS neurotransmitter Answer: acetylcholine QUESTION ANS neurotransmitter Answer: acetylcholine an...

HUBS 191 Progress Test II Latest Version Graded A Nervous system cells neurons and glia Neuron input zone dendrites and cell body Neuron summation zone axon hillock Neuron conduction zone axon Neuron output zone axon terminals Axon hillock decides whether to pass on information Tract axon bundles in CNS Grey matter cell bodies in CNS White matter myelinated axons in CNS; commissural, projection, and association tracts Ganglion groups of cell bodies in PNS Nerv...

3 components of a neuron - ANSWERcell body/soma, dendrites, axons Densely packed cell bodies in the CNS are ______________. - ANSWERnuclei Densely packed cell bodies in the PNS are _____________. - ANSWERganglia _______________ are the receiving part of the neuron. They receive incoming signals and send signals to the neuron ____ ________. They eventually converge into the ___________ ____________. - ANSWERDendrites, cell body, axon hillock _____________ are able to be affected by ex...

sodium potassium pump - ️️enzyme that transports 3 sodium to the outside, and it transports 2 potassium to the inside using the hydrolysis of ATP - creates more sodium outside and more potassium inside and creates a concentration gradient Midline, ipsilateral and contrelateral - ️️line separating left and right of the entire nervous system - ipsilateral means the same side of something and contralateral means the opposite side of something Nissl stain showed (Nissl) - ️️Nissl u...

NURS 5315 Module 7 Study Guide with Complete Solutions 2024/2025 CNS made of - Correct Answer brain and spinal cord Peripheral Nervous System made up of - Correct Answer 12 pairs of cranial nerves + 31 spinal nerves Afferent Nerves - Correct Answer Sensory nerves that carry impulses from cells, tissues, and organs to the CNS Efferent Nerves - Correct Answer Carry impulses from the CNS to the cells, tissues, and organs. Neuron - Correct Answer Basic functional unit of the nervous sys...

Nissl Stain - ️️Nissl used basic died to stain the endoplasmic reticulum (RNA), thereby revealing cell bodies. Using the nissl stain, Brodmann found that different areas of the cerebral cortex had distinct cytoarchitectonic appearances. He identified 52 cortical areas, now called Broadmann's areas contralaterality - ️️right brain controls left, left brain controls right. most functions are contralateral 3 types of glial cells - ️️Astrocyte (maintain ionic environment), Oligode...

HUBS 191 progress test 2 100% Verified and Updated 2024 central nervous system -Answer-nervous system consisting of brain and spinal cord peripheral nervous system -Answer-nervous system consisting of peripheral nerves glia -Answer-'glue' provide support for neurons, 5 type, 4 in CNS, 1 in PNS neurons -Answer-nerve cells, transmission of information dendrites -Answer-recieve input, send info into cell body cell body -Answer-contains nucleus and organelles axon -Answer-carries electrical...

Afferent - Towards (towards the spinal cord) Efferent - Away From (away from the spinal cord) Which nerves are incapable of regeneration? - Neurons in the Central Nervous System (CNS) do not divide and injury causes permanent loss. Which injury to nerves has better outcomes? Crushed or Severed/Cut - Crushed nerves recover better How do peripheral nerves repair themselves? - Axonal Reaction Name 8 local changes that occur when an axon is severed - 1. Cut end retracts and the axolemma cove...

BSC2085 Exam 3 Questions and Answers 100% Pass What does the endocrine system communicate by? - Answer- means of chemical messengers (hormones) secreted by blood how does the nervous system send messages from cell to cell? - Answer- 1. Receives stimuli from environment and transmits messages to CNS 2. The CNS processes the information 3. CNS issues commands to muscle and gland cells to carry out response What are the 2 division of the nervous system? - Answer- CNS (brain/spinal cord) PN...

Root is to ____ as ganglion is to ___ - axons; cell bodies ventral is to ____ as dorsal is to _____ - motor; sensory white matter is to ____ as gray matter is to ____ - axons; cell bodies Spinal Meninges (three layers) - dura mater, arachnoid mater, pia mater Spinal Meninges functions - protect spinal cord and provide it with oxygen and nurtrients where is CSF - in subarachnoid space (between arachnoid and pia mater) CSF provides spinal cord with: - physical and chemical protec...