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A&P 2 > Spinal Cord > Flashcards

Spinal Cord Flashcards

1
Q

Integrative and control centers

Brain and spinal cord

A

central NS

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2
Q

Cranial nerves and spinal nerves

Communication lines between CNS and rest of body

A

Peripheral NS

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3
Q

Peripheral is broken into

A

Sensory (afferent) and motor (efferent) divisions

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4
Q

Somatic and visceral sensory nerve fibers

Conducts impulses from receptors to CNS

A

Sensory (afferent) Divison

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5
Q

Motor nerve fibers

Conducts impulses from CNS to effectors (muscles and glands)

A

Motor (efferent) Divison

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6
Q

Motor (efferent) is broken into

A

Somatic and autonomic NS

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7
Q

Voluntary motor

Conducts impulses from CNS to skeletal muscles

A

Somatic NS

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8
Q 
Involuntary motor (visceral)
Conducts impulses from CNS to cardiac and smooth muscles and glands
A

Autonomic NS

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9
Q

Autonomic is broken into

A

Sympathetic and parasympathetic divisons

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10
Q

Mobilizes body systems during activity

A

Sympathetic Divison

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11
Q

Conserves energy and promotes housekeeping functions during rest

A

Parasympathetic division

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12
Q

Where does spinal cord end?

A

L1 or L2

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13
Q

End of spinal cord at the intervertebral disc between L1 and L2

A

Conus medullaris

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14
Q

Horses tail

A

Cauda equina

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15
Q

Terminal filament

A

Filum terminale

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16
Q

Epidural space is filled with

A

Blood vessels, fat, and Ct to pad spinal cord

17
Q

Extension of dura mates that anchors cord longitudinally

A

Coccygeal ligament

18
Q

CSF can be removed from __ for analysis, called a ___

A

Subarachnoid space

Spinal tap

19
Q

Myelinated axons of motor and sensory neurons are here

A

White matter

20
Q

Cell bodies of neurons, unmyelinated axons, dendrites, and neuroglia here

A

Gray matter

21
Q

Precise spatial relationship among fiber tracts that reflexes the orderly mapping of the body

A

Somatotopy

22
Q

Bundles of nerve fibers

A

Tracts or funiculi

23
Q

Carry sensory input from receptors to spinal cord and brain

A

Ascending or sensory tracts

24
Q

Carry motor output from brain to spinal cord to periphery

A

Descending or motor tracts

25
Q

Direct pathways

A

Pyramidal tracts

26
Q

No reflex action and the muscle remains limp

Results from damage to

A

Flaccid paralysis

Anterior horn

27
Q

Exaggerated reflexes because integration that occurred along the way via association fibers was __
Results from damage to

A

Spastic paralysis

Upper part of motor math way neurons

28
Q

Paralysis of lower limbs (T1 and L1)

A

Paraplegia

29
Q

Injury in cervical region, affects all 4 limbs

A

Quadriplegia

30
Q

Paralysis of one side of body, usually stroke

A

Hemiplegia

A&P 2 (14 decks)

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