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Anaphy | Nervous System > NERVOUS SYSTEM II > Flashcards

NERVOUS SYSTEM II Flashcards

1
Q

Enclosed in the spine

A

CNS: Spinal Cord

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2
Q

Extends from foramen magnum to L2

A

CNS: Spinal Cord

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3
Q

Inferior end of spinal cord that resembles as horse’s tail

A

Cauda equina

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4
Q

Function: center of reflex, provide tracts to carry information to brain, transmit motor instructions to muscles or glands

A

CNS: Spinal Cord

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5
Q

Two tracts of Spinal Cord

A

Descending and Ascending tracts

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6
Q

brain towards spinal cord, down to effector organ

A

descending tract

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7
Q

info towards brain

A

ascending tracts

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8
Q

Pain, temperature, touch, pressure, tickle, itch:
spinal cord to thalamus of brain

A

spinothalamic tract

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9
Q

Deep pressure and vibrations

A

dorsal column

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10
Q

Proprioception, awareness to movement and body position: spinal cord to cerebellum of brain

A

spinocerebellar tract

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11
Q

cerebral cortex to spinal cord; controls skeletal muscle movements

A

Corticospinal tract

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12
Q

motor impulses to limbs for movement

A

Rubrospinal tract

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13
Q

maintains posture when body is in motion

A

Reticulospinal tract

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14
Q

impulses to limbs, neck, back ; maintains upright posture

A

Vestibulospinal tract

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15
Q

relays impulses to muscles of head and trunk in response to visual and auditory stimuli

A

Tectospinal tract

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16
Q

Partially divides the spinal cord from right and left portion

A

ANTERIOR MEDIAN FISSURE and POSTERIOR MEDIAN SULCUS

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17
Q
  • Superficial
  • Embedded with myelinated axons
  • Where the ascending tracts and
    descending tracts are located
  • Funiculi (posterior funiculus, lateral
    funiculus, anterior funiculus): several fiber tracts are located
A

White matter

18
Q
  • Deep the spinal cord
  • Consists of neural cell bodies and
    interneurons
  • Horns (posterior horn, lateral horn,
    anterior horn)
A

Gray matter

19
Q
  • Vital functions (heart rate, blood
    pressure, breathing)
  • Most interior part of brain
  • Connected with spinal cord
A

Brainstem

20
Q

most inferior portion for brainstem ; respirator and cardiac center ; vomiting, hiccups, sneezing ; pyramids of medulla oblongata – contains descending tracts

A

MEDULLA OBLONGATA

21
Q

near medulla oblongata ; cooperates with medulla oblongata for respiratory functions ; chewing and salivation ; contains relay nuclei between cerebrum and cerebellum

A

Pons

22
Q

smallest region of brainstem ; contains for mounds “Corpora quadrigemina” or “colliculi” ; superior colliculus – visual ; inferior

A

Midbrain

23
Q

superior colliculus

A

visual

24
Q

inferior colliculus

A

auditory ; visual & auditory

25
Q

Lobes of brain

A

Frontal lobe, Occipital lobe, Parietal lobe and temporal lobe

26
Q

Controls voluntary motor functions, aggression, moods, smell

A

Frontal lobe

27
Q

Receives visual input

A

Occipital lobe

28
Q
  • Evaluate sensory inputs
  • Touch, pain, pressure, temperature, taste
A

Parietal lobe

29
Q

Hearing, smell, memory

A

Temporal lobe

30
Q

tough mother, superficial, thickest layer

A

Dura matter

31
Q

2nd layer, resembles like spider web extensions

A

Arachnoid layer

32
Q

3rd layer, gentle mother, clings to brain surface

A

Pia matter

33
Q

fluid-filled cavities

A

Ventricles

34
Q

cerebral hemispheres

A

Lateral hemispheres

35
Q

Diecephalon

A

Third ventricles

36
Q

Base of cerebellum

A

Fourth ventricles

37
Q

midbrain

A

cerebral aqueduct

38
Q

spinal cord

A

central canal

39
Q

within the five ventricles; allows production of cerebrospinal fluid within these structures

A

choroid plexus

40
Q

Forms a liquid that cushions entire CNS

A

CEREBROSPINAL FLUID (CSF)

Anaphy | Nervous System (3 decks)

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