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A P lab > introduction to muscular system > Flashcards

introduction to muscular system Flashcards

1
Q

covers an individual muscle fiber

A

endomysium

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2
Q

covers a bundle of skeletal muscle fibers

A

perimysium

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3
Q

covers the whole muscle fiber

A

epimysium

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4
Q

organelle packed with myofilaments

A

myofibril

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5
Q

transverse tubule and its flanking terminal cisternae

A

triad

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6
Q

invagination of the sarcolemma

A

transverse tubule

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7
Q

the region of sarcolemma across from the axon terminal at the neuromuscular junction

A

motor end plate

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8
Q

consists of actin, troponin, tropomyosin

A

thin filament

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9
Q

stores calcium

A

sarcoplasmic reticulum

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10
Q

consists of myosin

A

thick filament

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11
Q

functional unit of muscle contraction

A

sarcomere

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12
Q

a bundle of muscle fibers

A

fascicles

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13
Q

cytoskeletal elements

A

neurofibrils

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14
Q

gaps between schwann cells

A

nodes of ranvier

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15
Q

contain synaptic vesicles

A

axon terminals

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16
Q

produce neurotransmitters

A

nissl bodies

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17
Q

terminal branch of axon

A

telodendria

18
Q

List the three categories of neurons based on structure.

A

multipolar neurons
bipolar neurons
unipolar neurons

19
Q

List the three categories of neurons based on function.

A

afferent, efferent, interneurons

20
Q

in order of the neuron smear structure from middle to outward

A 
NCADG
nucleolus
nucleus
cellbody
axon
dendrites
glia
21
Q

components of nerve from middle to outwards

A 
myelin sheath
axon
endoneurium
perineurium
epineurium
22
Q

houses the corpora quadrigemina

A

midbrain

23
Q

components of the diencephalon

A

thalamus, epithalmus, hypothalmus

24
Q

connects the third and fourth ventricles

A

cerebral aqueduct

25
Q

continuous with the spinal cord

A

medulla oblongata

26
Q

produces cerebrospinal fluid

A

choroid plexus

27
Q

components of the brain stem

A

pons, midbrain, medulla oblongata

28
Q

major homeostatic organ

A

hypothalmus

29
Q

contains brocas area

A

cerebrum

30
Q

structure from which the pineal gland extends

A

epithalmus

31
Q

contains lateral ventricles

A

cerebrum

32
Q

contains arbor vitae

A

cerebellum

33
Q

anatomy of the spinal cord from the middle to outward

A 
GAP AF
gray commissure
anterior horn (bottom)
posterior horn (top)
anterior median fissure
funiculi
34
Q

12 cranial nerves in order

A 
Ooh, Ooh, Ooh, to touch and feel very good velvet. Such heaven
I Olfactory (Smell)
II Optic (Sight)
III Oculomotor (Moves eyelid and eyeball and adjusts the pupil and lens of the eye)
IV Trochlear (Moves eyeballs)
V Trigeminal (Facial muscles incl. ... 
VI Abducens (Moves eyeballs)
VII Facial (Taste, tears, saliva, facial expressions)
VIII vestibularcochlear (auditory)
IX glossopharyngeal (swallowing, saliva, taste)
X vagus (control of PNS, smooth muscle GI tract)
XI Accessory  (moveing head and shoulder, swallowing)
XII hypoglassal (tongues muscles)
35
Q

structure filled with aqueous humor

A

anterior cavity

36
Q

structure continuous with the optic nerve
retina
houses the photoreceptors

A

inner neural layer

37
Q

attachement site for extrinsic eye muscles

sclera and cornea

A

outer fibrous layer

38
Q

iris, ciliary body, choroid

A

middle vascular layer

39
Q

structure filled with virtreous humor

A

posterior cavity

40
Q

eye structure from outward to middle

A 
CIPCS
cornea
iris
pupil
ciliary body
suspensory ligaments
RCSOO
retina
choroid
sclera
optic disk
optic nerve
41
Q

List in order the eye structures (internal structures, fluids, and retinal layers) through which light travels from the point at which it enters the eye until it reaches the photoreceptors in the retina.

A

cornea, aqueous humor, lens, vitreous humor, ganglion cells, bipolar cells, photoreceptor cells

A P lab (5 decks)

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