Lab Midterm 4 Flashcards
Anatomy of Spinal Cord (Meninges: Superficial to Deep)
Dura Mater, Arachnoid Mater, Sub Arachnoid Space, Cerebrospinal Fluid, Pia Mater
Which portion of Spine is narrow
Cervical and Lumbar Spine
Cervical Plexus Nerves
Phrenic nerve (Diaphagm)
Brachial Plexus Nerves
Radial
Ulnar
Median
Axillary
Musculocutaneous
What does the radial nerve innervate?
Triceps brachii
extensor muscles of wrist
extensor carpi radialis (longus/brevis)
extensor carpi ulnaris
extensor digitorum
What sensation does the radial nerve sense?
posterior/back of hand
What does the Ulnar Nerve innervate?
Motor to flexor carpi ulnaris
Sensory to 5th digit and half of 4th
What is a bundle of axons called?
fascicle
what is the CT covering that covers a large bundle of axons?
epineurium
what is a set of axons bundled with?
Perineurium
what is one individual axon bundled with?
endoneurium
What does the median nerve innervate?
motor to pronator teres and flexor muscles of wrist:
flexor carpi radialis
palmarus longus
muscles of hands
What sense does the median nerve sense?
palm/anterior of hand
What does the axillary nerve innervate?
motor to deltoid muscle
What does the musculocutaneous nerve innervate?
motor to biceps brachii & brachialis (elbow flexion)
Cerebellum tissue
cerebral cortex
Hippocampus
Where does the lumbar plexus originate?
L1, L2, L3, L4 spinal nerves
What does the lumbar plexus innervate?
Femoral Nerve, obturator nerve
What does the Femoral nerve innervate?
Motor to quadriceps femoris muscles
Rectus femoris
vastus lateralis
vastus medialis
vastus intermedius
sartorius
portions of illiopsoas
What does the obturator nerve innervate?
Motor to adductor muscles of thigh
gracilis
adductor magnus
adductor longus
adductor brevis
What types of cells are seen here?
White halo=ogliodendrocytes
Blue=axons
What types of cells are seen here?
Cortical pyramidal cell
What types of cells are seen here?
Large=Purkinje cell
Smaller=Granule cells