CELLS OF THE NERVOUS SYSTEM
The fundamental unit of a brain
Neuron
Extends from the foramen magnum at the base of the skull to the second lumbar vertebra
Spinal Cord
The ____ is the central organ in the central nervous system, housed within the skull.
Brain
The largest commissure is known as the
corpus callosum
In the acronym CN 1, CN stands for...
Cranial Nerve
contains single nucleus which is the source of information for gene expression
Cell body
A classic example of stretch reflex
Knee-jerk reflex
Which of the following is NOT part of the brainstem?
a. Pons
b. Medulla oblongata
c. Diancephalon
d. Midbrain
C
a recording device which records brain’s electrical activity (acronym is accepted)
Electroencephalogram (EEG)
Oculomotor is the cranial nerve _____
III
short, often highly branching cytoplasmic extensions that are tapered from their bases at neuron cell body to their tips
Dendrites
Number of pairs of spinal nerves
31
Egg-shaped masses forming lateral walls of the diencephalon
Thalamus
How many stages does our memory have?
3
Cranial Nerve V
Trigeminal
Act as immune cells within the CNS, removing debris and pathogens
Microglia
the sack of nerve roots (nerves that leave the spinal cord between spaces in the bones of the spine to connect to other parts of the body
Cauda Equina
Outermost layer of the brain
Dura matter
The ______ influences long-term declarative memory, emotions, visceral responses to emotions, motivation, and mood.
limbic system
What is the general function of hypoglossal?
(Sensory, Motor, or Both?)
Motor
The myelin sheath is made up of.....
Schwann Cells / Oligodendrocytes
A reflex with two or more synapses
Polysynaptic
•Elevated ridges of the cerebrum which allows an increase in surface area.
Gyri/Gyrus
What wave interpretation constitutes deep sleep?
Delta
Its specific function is for hearing and balance
Vestibulocochlear