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A/P II Lab > Sheep Brain/Cranial Nerves > Flashcards

Sheep Brain/Cranial Nerves Flashcards

1
Q

Spinal cord

central canal

A

-CSF circulates

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2
Q

Meninges

dura mater

A
  • outer layer

- thick and durable

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3
Q

Meninges

pia mater

A
  • inner layer

- adheres to the surface of spinal cord

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4
Q

Brain stem

Medulla oblongata

A
  • respiration

- blood pressure

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5
Q

Brain stem

pons

A
  • sensory relay center

- respiration

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6
Q

Midbrain

cerebral peduncles

A

-descending motor tracts from cerebrum to brainstem

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7
Q

Midbrain

corpora quadrigema

A

-superior and inferior colliculi

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8
Q

Midbrain
Corpora quadrigema
superior colliculi

A

-visual reflexes

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9
Q

Midbrain
Corpora quadrigema
inferior colliculi

A

-auditory reflexes

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10
Q

Cerebellum

arbor vitae

A

-nerve tracts within the cerebellum

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11
Q

Diencephalon

thalamus

A

-relays sensory information to cerebral cortex

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12
Q

Diencephalon

pineal gland

A

-biorhythm control

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13
Q

Diencephalon

hypothalamus

A

-central control for endocrine system

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14
Q

Diencephalon

mammillary body

A

-olfactory reflexes

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15
Q

Diencephalon

pituitary gland

A

-secretes endocrine hormones

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16
Q

Cerebrum

longitudinal cerebral fissure

A

-separates the left and right hemispheres of the brain

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17
Q

Cerebrum

transverse fissure

A

-separates the cerebellum from the occipital lobe

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18
Q

Cerebrum

cingulate gyrus

A
  • emotion, behavior, and motivation

- located right above corpus callosum

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19
Q

Cerebrum

corpus callosum

A

-nerve tracts that connect the left and right hemispheres of the brain

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20
Q

Cerebrum

septum pellucidum

A

-separates the lateral ventricles

21
Q

Cerebrum

lateral ventricle

A
  • secretes and circulates CSF

- drains into 3rd ventricle

22
Q

Cerebrum

cerebral aqueduct

A

-connects third ventricle to fourth ventricle

23
Q

Cerebrum

fourth ventricle

A
  • secretes and circulates CSF

- connects to central canal

24
Q 
Cerebrum
choroid plexus (third and fourth ventricles)
A

-ependymal tissue that produces CSF in each ventricle

25
Q

Cranial Nerve I

Olfactory

A

sensory: olfaction

26
Q

Cranial Nerve II

Optic

A

sensory: vision

27
Q

Cranial Nerve III

Oculomotor

A
  • motor: superior, medial, and inferior rectus muscles of the eye
  • motor: upper eyelid
28
Q

Cranial Nerve III

Oculomotor

A

-parasympathetic: pupillary sphincter and ciliary muscles of lens

29
Q

Cranial Nerve IV

Trochlear

A

-motor: superior oblique muscle of the eye

30
Q

Cranial Nerve V

Trigeminal

A
  • sensory: cutaneous sensory from scalp and face

- sensory: palate, nasal cavity, upper and lower jaws and teeth

31
Q

Cranial Nerve V

Trigeminal

A

-motor: muscles of mastication

32
Q

Cranial Nerve VI

Abducens

A

-motor: lateral rectus muscle of the eye

33
Q

Cranial Nerve VII

Facial

A

-sensory: taste

34
Q

Cranial Nerve VII

Facial

A

-motor: facial expression muscles

35
Q

Cranial Nerve VII

Facial

A

-parasympathetic: 2 of 3 salivary glands, lacrimal glands

36
Q

Cranial Nerve VIII

Vestibulocochlear

A

-sensory: hearing and balance

37
Q

Cranial Nerve IX

Glossopharyngeal

A

-sensory: taste, pharynx

38
Q

Cranial Nerve IX

Glossopharyngeal

A

-motor: muscles of swallowing

39
Q

Cranial Nerve IX

Glossopharyngeal

A

-parasympathetic: 1 of 3 salivary glands

40
Q

Cranial Nerve X

Vagus

A

-sensory: taste, pharynx, visceral organs

41
Q

Cranial Nerve X

Vagus

A

-motor: muscles of swallowing and speech

42
Q

Cranial Nerve X

Vagus

A

-parasympathetic: heart, lungs, abdominal viscera

43
Q

Cranial Nerve XI

Accessory

A

-motor: sternocleidomastoid and trapezius

44
Q

Cranial Nerve XII

Hypoglossal

A

-motor: tongue

45
Q

sensory nerves

A

-olfactory, optic, vestibulocochlear

46
Q

somatic motor nerves

A

-trochlear, abducens, accessory, hypoglossal

47
Q

somatic motor and sensory nerves

A

-trigeminal

48
Q

somatic motor and parasympathetic nerves

A

-oculomotor

49
Q

somatic motor, sensory and parasympathetic nerves

A

-facial, glossopharyngeal, vagus

A/P II Lab (5 decks)

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