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Electromyogram
name this recording

electromyogram trace
what does this graph show

by making a fist and contracting forearm flexors
how was this produced

electromyogram
name this record

motor unit recruitment
what does this show

making a fist progressively harder
how was this produced

hypothalamus
1

ovaries
2

testes
3

pancreas
4

adrenal glands
5

thymus gland
(thymus - chest)
(thyroid - neck)
6

pancreatic islets
name

multipolar neuron
name

schwann cell nucleus
1

node of ranvier
or
neurofibril node
3

myelin sheath
2

endoneurium
4

axon hillock
5

nucleus
6

axon terminals
7

oculomotor nerve III
1

soma / cell body
8

dendrites
9

Sacral spinal nerve 5
7

trigeminal nerve V
1

abducens nerve VI
2

Facial Nerve VII
3

Spinal accessory nerve XI
4

Hypoglossal Nerve XII
5

Vagus Nerve X
6

Glossopharyngeal Nerve IX
7

Auditory Nerve VIII
8

Trochlear Nerve IV
9

Optic Nerve II
10

Olfactory Nerve I
11

oculomotor Nerve III
1

Spinal Nerves
1

spinal nerve roots
2

interneuron
1

motor neuron
2

effector
3

sensory neuron
4

Receptor
5

reflex arc
Entire picture

cervical plexus c1-c4
serves the neck and shoulders
1

Brachial Plexus C5-T1
serves the arm
2

lumbar plexus l1-l4
serves anterior and medial thigh
3

sacral plexus l4-s4
serves the posterior thigh and trunk of body
4

Cervical Spinal Nerve 1
a

Cervical Spinal Nerve 2
b

Cervical Spinal Nerve 3
c

Cervical Spinal Nerve 4
d

Cervical Spinal Nerve 5
e

Cervical Spinal Nerve 6
f

Cervical Spinal Nerve 7
g

Cervical Spinal Nerve 8
h

Thoracic Spinal Nerve 1
i

Thoracic Spinal Nerve 2
j

Thoracic Spinal Nerve 3
k

Thoracic Spinal Nerve 4
l

Thoracic Spinal Nerve 5
m

Thoracic Spinal Nerve 6
n

Thoracic Spinal Nerve 7
o

Thoracic Spinal Nerve 8
p

Thoracic Spinal Nerve 9
q

Thoracic Spinal Nerve 10
r

Thoracic Spinal Nerve 11
s

Thoracic Spinal Nerve 12
t

Lumbar Spinal Nerve 1
1

Lumbar Spinal Nerve 2
2

Lumbar Spinal Nerve 3
3

Lumbar Spinal Nerve 4
4

Lumbar Spinal Nerve 5
5

Coccygeal Spinal nerve 1
6

Sacral Spinal Nerve 4
8

Sacral Spinal Nerve 3
9

Sacral Spinal Nerve 2
10

sacral spinal nerve 1
11

pineal gland
1

pituitary gland
2

posterior pituitary
3

anterior pituitary
4

thyroid gland
5

pancreas
6

pancreatic islet
7

ovaries
8

ovary
9

testes
10

testis
11

adrenal cortex
12

adrenal medulla
13

adrenal glands
14

parathyroid glands
15
