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Flashcards in ch 14 test Deck (47):
1

gyri

elevated ridges of cerebral cortex

2

sulci

shallow depressions of the cerebral cortex

3

fissures

deep grooves of the cerebral cortex

4

diencephalon

links cerebrum w brain stem; 3 divisions- left thalamus, right thalamus, and hypothalamus

5

thalamus

(bird eye) relays and processes sensory info

6

hypothalamus

(bird beak) hormone production, emotion, and autonomic function

7

pituitary gland

in diencephalon, major endocrine gland connected to hypothalamus via infundibulum, interfaces nervous and endocrine systems

8

mesencephalon

midbrain, processes sight, sound, associated reflexes, and maintains consciousness

9

pons

connects cerebellum to brain stem and is involved in somatic and visceral motor control

10

medulla oblongata

connects brain to spinal cord, relays info, regulates heart rate, blood pressure, and digestion

11

telencephalon

becomes cerebrum

12

metencephalon

forms cerebellum and pons

13

myelencephalon

becomes medulla oblongata

14

ependyma

lines ventricles

15

septum pellucidum

seperates lateral ventricles

16

3 largest dural folds

falx cerebri, tentorium cerebelli, falx cerebelli

17

falx cerebelli

contains superior and inferior sagital sinus

18

choroid plexus

secrete CSF, remove waste products and adjusts composition

19

arachnoid granulations

large clusters of villi that absorb CSF into venous circulation

20

jugular

drains brain

21

carotid and vertebral artery

feeds brain

22

4 breaks in the BBB

1. portions of the hypothalamus
2. posterior lobe of pituitary gland
3. pineal gland
4. choroid plexus

23

medulla oblongata nuclei groups-3

autonomic nuclei, sensory and motor nuclei of cranial nerves, relay stations along sensory and motor pathways

24

medulla oblongata reflex centers

cardiovascular centers, respiratory rhythmicity centers

25

medulla oblongata nerves

8-12

26

relay staions of medulla oblongata

nucleus gracilis and nucleus cuneatus (somatic sensory info)
solitary nucleus (visceral sensory info)
olivary nuclei (somatic motor commands)

27

pons cranial nerves

5-8

28

pons- nuclei involved w respiration

apneustic and pneumotaxic centers

29

transverse fibers

link nuclei of pons w opposite cerebellar hemi

30

cerebellum function

adjusts posture, fine-tunes conscious and subconscious movements

31

folia

surface of cerebellum, highly folded neural cortex

32

purkinje cells

large branched cells in cerebellar cortex that receive input from 200,000 synapses

33

arbor vitae

highly branched, internal white matter of cerebellum that relay info to purkinje cells

34

ataxia

damage from trauma, stroke, or drinking, loss of muscle coordination

35

superior colliculus

visual nuclei in tectum of midbrain

36

inferior colliculus

auditory nuclei in tectum of midbrain

37

substantia nigra

part of tegmentum of midbrain that reg act in basal nuclei

38

cerebral peduncles of midbrain

connect primary motor cortex w motor neurons in brain and spinal cord, carry ascendin sensory info to thalamus

39

pineal gland

found in epithalamus and secretes melatonin

40

thalamus function

filters ascending sensory info for primary sensory cortex and relays info between basal nuclei and cerebral cortex

41

thalamus anterior goup

part of limbic system

42

thalamus medial group

integrates sensory info for projection to the frontal lobes

43

thalamus ventral group

projects sensory info to primary sensory cortex; relays info from cerebellum and basal nuclei to motor area of cerebral cortex

44

thalamus pulvinar

integrates sensory info for projection to association areas of cerebral cortex

45

lateral geniculate nuclei

project visual info to the visual cortex

46

medial geniculate nuclei

project auditory info to the auditory cortex

47

thalamus lateral group

integrates sensory info and influences emotional states