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The Spinal Cord, Spinal Nerves,and Spinal Reflexes Flashcards

(29 cards)

0
Q

A series of specialized membranes surrounding the spinal cord, provide the necessary physical stability and shock absorption.

A

Spinal meninges

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1
Q

Meninges that surround the brain

A

Cranial meninges

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2
Q

The outermost component of the cranial and spinal meninges

A

Dura mater

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3
Q

The space between the spinal dura mater and the walls of the vertebral foramen; contains bloos vessels and adipose tissue; a common site of injection for regional anesthesia

A

Epidural space

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4
Q

Fluid bathing the internal and external surfaces of the central nervous system.

A

Cerebrospinal fluid

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5
Q

The innermost layer of the meninges bound to the underlying neural tissue

A

Pia meter

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6
Q

A dense layer of collagen fibers that surrounds a peripheral nerve

A

Epineurium

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7
Q

A connective tissue partition that separates adjacent bundles of nerve fibers in a peripheral nerve

A

Perineurium

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8
Q

A delicate network of connective tissue fibers that surrounds individual nerve fibers

A

Endoneurium

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9
Q

A bundle of postganglionjc sympathetic nerve fibers that are distributed to effectors in the body wall, skin, and limbs by the way of a spinal nerve

A

Gray Ramus

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10
Q

A nerve bundle containing the myelinated preganglionic axons of the sympathetic motor neurons en route to the sympathetic chain or to a collateral ganglion

A

White Ramus

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11
Q

A complex, interwoven network of nerves

A

Nerve plexus

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12
Q

A functional group of interconnected neurons

A

Neuronal pool

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13
Q

Result from the connections that form between neurons during development

A

Innate reflexes

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14
Q

Learned motor patterns, more complex

A

Acquired reflexes

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15
Q

Control skeletal muscles

A

Somatic reflexes

16
Q

Control the activities of other systems

A

Visceral reflexes

17
Q

An enhancement of spinal reflexes

A

Reinforcement

18
Q

A spinal reflex in infants, consisting of a fanning of the toes in response to stroking the sole of the foot;in adults, indicates a CNS injury

A

Babinski sign

19
Q

The injection of anesthetic into the epidural space to eliminate sensory and motor inner action via spinal nerves in the area of injection

A

Epidural block

20
Q

An inflammation of the meninges involving either the spinal cord or the brain, generally caused by bacterial or viral pathogens

21
Q

Regional losses of sensory and motor function as a result of nerve trauma, disease, or compression

A

Nerve palsies

22
Q

Paralysis involving a loss of motor control of the lower but not the upper limbs

23
Q

A stretch reflex resulting from the stimulation of stretch receptors in the quadriceps muscles

A

Patellar reflex

24
A spinal reflex in adults, consisting of a curling of the toes in response to stroking the side of the foot sole
Plantar reflex
25
Paralysis involving the loss of sensation and motor control of the upper and lower limbs
Quadriplegia
26
A condition caused by the infection of neurons in dorsal root ganglia by the varicella-roster virus. The primary sign is a painful rash along the sensory distribution of the affected spinal nerves
Shingles
27
A procedure in which cerebrospinal fluid is removed from the subarachnoid space through a needle, generally inserted between the lumbar veterbrae
Spinal tap
28
A spinal tap performed between adjacent lumbar vertebrae inferior to the conus medullaris
Lumbar puncture