anatomy brain flashcards
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31 Terms
free nerve terminals
dendrites embedded directly in tissue
Encapsulated endings
dendrites wrapped in connective‑tissue capsules
frontal lobe
Higher‑order functions, voluntary motor control, and personality
parietal lobe
Somatosensory information
temporal lobe
Processing auditory information; also critical for memory and language
occipital lobe
Processing and interpreting visual information
CSF
cushions CNS, provides nutrients
where does CSF flow
subarachnoid space
what type of neuron helps build the blood brain barrier
astrocytes
proprioception
body’s ability to know where parts of itself are w/o vision
ascending pathways
type 1:
First order: detects stimuli and relays from sensory organ to spinal cord
Second order: spinal cord → thalamus
Third order: thalamus → somatosensory cortex
type 2:
trigeminal pathway: sensory info traveling from face/head
midbrain
auditory, visual processing + motor movements
amygdala
fear, emotion, reward processing, flight or fight
thalamus
relays motor/sensory info + deals with sleep and alertness
hindbrain parts
cerebellum, pons, medulla oblongata
hindbrain function
involuntary actions
temporal lobe
recognition, perception,
reticular formation
sensory signals, consciousness function
pons
breathing, taste
forebrain parts
cerebrum, thalamus, hypothalamus (limbic system)
forebrain function
auditory, sensory, cognitive, visual processing
brain stem
homeostasis + balance
medulla
breathing, sneezing, swallowing, heart/blood vessel function, digestion
limbic system
emotional system + memory consolidation system
parietal lobe
spacial mapping and representation
association fibers
connects areas within a cerebral hemisphere
commissural fibers
connects areas across a cerebral hemisphere
projection fibers
connects areas between cerebrum and other parts of the brain and spinal cord
wernicke’s area
comprehension area
broca’s area
diction area
layers of meninges
dura mater, arachnoid mater, pia mater (order of top to bottom)