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Chapter 9 functions Flashcards Preview

Human Body Lab > Chapter 9 functions > Flashcards

Flashcards in Chapter 9 functions Deck (101)
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1
Q

arachnoid mater

A

protects brain; absorbs cerebrospinal fluid

2
Q

pia mater

A

protects brain

3
Q

cerebrum

A

perception, cognition, memory, initiates voluntary movement

4
Q

frontal lobe

A

voluntary motor activity, speech, thinking

5
Q

parietal lobes

A

integrate sensory input form body’s surface about cold, heat, touch, pressure, and pain

6
Q

temporal lobes

A

receive sensory input about sound

7
Q

occipital lobes

A

process visual sensory input

8
Q

corpus callosum

A

fibers connect the cerebral hemispheres

9
Q

olfactory tracts

A

carry sensory input about smell

10
Q

olfactory bulbs

A

receive sensory input from CN I (olfactory nerve)

11
Q

thalamus

A

integrates all types of sensory input and relays it to the cerebrum

12
Q

hypothalamus

A

integrates many homeostatic functions; secretes neurohormones

13
Q

infundibulum

A

connects the hypothalamus and the posterior pituitary gland

14
Q

pineal gland

A

secretes melatonin

15
Q

optic nerves

A

carry sensory input about vision

16
Q

optic chiasm

A

some optic nerve fibers cross here

17
Q

optic tracts

A

carry sensory input about vision

18
Q

corpora quadrigemina

A

has visual and auditory reflex centers; attachment site of CN IV (trochlear)

19
Q

cerebral peduncles

A

contain fibers that carry motor output from the cerebrum to other regions of CNS; attachment site of CN III (oculomotor)

20
Q

cerebellum

A

smooths and coordinates skeletal muscle movements

21
Q

pons

A

has respiratory centers and fiber tracts that connect the cerebrum to the cerebellum and to the spinal cord; attachement site of CN V, VI, VII (trigeminal, abducens, facial)

22
Q

medulla oblongata

A

controls respiration and heart rate; fiver tracts carry motor output from midbrain to spinal cord; CN VIII attaches at pons medulla border; CN IX, X, XI, XII attach to the medulla oblongata

23
Q

dura mater

A

protects the spinal cord

24
Q

arachnoid mater

A

protects spinal cord and absorbs cerebrospinal fluid

25
Q

pia mater

A

protects the spinal cord

26
Q

dorsal roots

A

fibers carry sensory input

27
Q

dorsal root ganglia

A

location of sensory neuron cell bodies

28
Q

ventral roots

A

fibers carry motor output

29
Q

cervical spinal nerves

A

convey sensory input and motor output

30
Q

cervical enlargement

A

attachment site of the nerves innervating the upper limbs

31
Q

dural septa

A

prevent excessive movement of the brain within the cranial cavity

32
Q

CN I, olfactory

A

olfaction (smell)

33
Q

CN II, optic

A

vision

34
Q

internal carotid arteries

A

supply the orbits and 80% of the brain (cerebrum)

35
Q

CN III, oculomotor

A

eye movement, pupil constriction, focusing

36
Q

CN IV, trochlear

A

eye movment

37
Q

CN V, trigeminal

A

mastication and sensation from face

38
Q

CN VI, abducens

A

lateral eye movement

39
Q

CN VII, facial

A

facial expression and gustation (taste)

40
Q

CN VIII, vestibulocochlear

A

audition, equilibrium

41
Q

CN IX, glossopharyngeal

A

gustation, sensation from pharynx (throat), and swallowing

42
Q

CN X, vagus

A

gustation, visceral sensation, and visceral muscle movement

43
Q

CN XI, accessory

A

move head and shoulders

44
Q

CN XII

A

tongue movement (swallowing and speech)

45
Q

vertebral arteries

A

supply the cervical part of the spinal cord and the brain with blood

46
Q

external auditory meatus

A

passageway for sound waves

47
Q

mastoid process

A

attachment of digastric and sternocleidomastoid muslces

48
Q

condylar process

A

articulates with the mandibular fossa

49
Q

coronoid process

A

attachment of temporalis muscles

50
Q

mental foramen

A

blood vessel and nerve passageway

51
Q

temporal fossa

A

attachment of temporalis muscle

52
Q

zygomatic arch

A

attachment of masseter muscle

53
Q

styloid process

A

ligaments and tendons attach here

54
Q

orbit

A

muscle attachment and protects eye

55
Q

optic canal

A

Cranial nerve passageway for CN II (optic)

56
Q

superior orbital fissure

A

cranial nerve passageway for CN III, IV, V-1 and VI

57
Q

nasal cavity

A

air passageway

58
Q

hard palate

A

separates the oral and nasal cavities

59
Q

mandibular fossa

A

articulates with the condylar process

60
Q

carotid canal

A

blood vessel passageway

61
Q

stylomastoid foramen

A

cranial nerve passageway CN VII

62
Q

foramen magnum

A

spinal cord passageway

63
Q

occipital condyle

A

articulates with the atlas

64
Q

external occipital protuberance

A

attachment of trapezius muscle

65
Q

superior nuchal line

A

attachment of trapezius muscle

66
Q

crista galli

A

attachment of dura mater

67
Q

cribiform plate

A

cranial nerve passageway CN I (olfactory)

68
Q

sella turcica

A

location of the pituitary gland

69
Q

foramen rotundum

A

cranial nerve passageway CN 5-2

70
Q

foramen ovale

A

cranial nerve passageway CN 5-3

71
Q

internal acoustic meatus

A

cranial nerve passageway CN 5 and 8

72
Q

jugular foramen

A

cranial nerve passageway CN 9, 10, 11

73
Q

hypoglossal canal

A

cranial nerve 12 passageway

74
Q

vertebral canal

A

passageway for spinal cord

75
Q

intervertebral foramina

A

passageway for spinal nerves

76
Q

vertebral body

A

bears weight and articulates with adjacent vertebral bodies

77
Q

dens

A

articulates with the atlas

78
Q

vertebral arch

A

protects spinal cord

79
Q

spinous process

A

muscle attachment

80
Q

bifid spinous process

A

muscle attachment

81
Q

transverse processes

A

muscle attachment

82
Q

transverse foramina

A

passageways for vertebral arteries and veins

83
Q

superior articular facets

A

articulate with the inferior articular faces of superior vertebrae

84
Q

inferior articular facets

A

articulate with the superior articular facets of inferior vertebrae

85
Q

temporalis

A

elevates and retracts mandible

86
Q

masseter

A

elevates the mandible

87
Q

orbicularis oculi muscles

A

closes an eyelid

88
Q

orbicularis oris muscle

A

closes, purses, and protrudes the lips

89
Q

zygomaticus major

A

smiling

90
Q

levator anguli oris

A

elevates the corner of the mouth

91
Q

levator labii superioris

A

elevates the upper lip

92
Q

depressor anguli oris

A

depresses the corner of the mouth

93
Q

depressor labii inferioris

A

depresses the lower lip

94
Q

buccinator

A

flattens a cheek against the teeth as in sucking and whistling

95
Q

sternocleidomastoid

A

contraction of both flexes the neck, contraction of one rotates the head

96
Q

digastric

A

depresses the mandible and elevates the hyoid

97
Q

sternohyoid

A

depresses the hyoid and larynx

98
Q

omohyoid

A

depresses the hyoid

99
Q

sternothyroid

A

depresses the larynx and hyoid

100
Q

thyrohyoid

A

depresses the hyoid and raises the larynx

101
Q

trapezius

A

extends the head

Decks in Human Body Lab Class (55):

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