Ch. 16
What are the three main parts of a neuron?
Dendrites, cell body, axon
What do the leptomeninges consist of?
arachnoid mater and the pia mater
What provides blood supply to the brain?
internal carotid and vertebral arteries
What are the effectors of the ANS?
smooth muscle, cardiac muscle, certain glands
What provides us with color vision?
Cones
What are the receiving/input portion of a neuron?
dendrites
What organ does the phrenic nerve supply?
Diaphragm
Who are the main controls for respiration?
Pons + Medulla
What division of the ANS is known as the "fight or flight"?
sympathetic
How long is the life span of basal cells in a taste bud?
10 days
What are the three major functions of the nervous system?
sensory input, integration, and motor output
Where would you find lateral gray horns?
only present in thoracic, upper lumbar, sacral segments of the spinal cord
What relays impulses from proprioceptors to the cerebellum?
Medullary Olive
What does the first D in SLUDD stand for?
Digestion
What are the five tastants?
sweet, sour, bitter, salty, umami
Where is the enteric plexus located?
the walls of the Gi tract organs
Where does the Dura mater end?
S2
The right and left lateral ventricles are separated anteriorly by....?
septum pellucidum
Where are the postganglionic neurons located?
AND
are they myelinated?
*must get both
outside the CNS, they are unmyelinated
What are the three areas of the bony labyrinth? (the ear)
semicircular canals, vestibule, cochlea
What are the four types of neuroglia CNS?
Astrocytes
oligodendrocytes
microglia
ependymal cells
What are the names of all of the nerves you'd find in the brachial plexus?
ulnar, radial, medial, axillary, musculocutaneous
Who controls the ANS?
hypothalamus
What neurons release norepinephrine?
Adrenergic
Nerve impulses from taste buds to the medulla via what pairs of cranial nerves?
XII, IX, X