A&P II Quiz 10 Flashcards
ORIGIN/PROXIMAL of Piriformis
Anterior surface of sacrum
ACTION of Piriformis
Lateral rotation
Abduction & medial rotation of femur when hip is flexed
The Piriformis is the ONLY LATERAL ROTATOR to do what
Attach to the TOP of the greater Trochanter
What is a SYNAPSE
Synaptic cleft, where communication takes place
Post Synaptic Neuron (cell)
The neuron receiving the message. The plasma membrane contain the receptors
Action Potential (AP)
A spreading wave of depolarization
Epinephrine/Norepinephrine
Adrenaline…FFF…sympathetic activation
Which is the most important of the Six Lateral Rotators
Piriformis
Cranial Nerve IV
TROCLEAR = M-EYE MOVEMENT
Cranial Nerve V
TRIGEMINAL: B-MASTICATION
Cranial Nerve X
VAGUS: B-VISCERA
Cranial Nerve XI
ACCESSORY: M-SCM
Branches of the spinal nerves
RAMI
What makes plexuses?
VENTRAL RAMI/RAMUS
Phrenic Nerve
C3-C5: innervates the diaphragm