BSC2085L Spinal Cord and Spinal Nerves Flashcards

During spinal surgery it is possible to tear the _________, which is the outer protective layer.

Dura Mater

The _________ is the middle protective layer.

Arachnoid Mater

The ________ closely covers the spinal cord.

Pia Mater

During childbirth, anesthesia is injected into the __________.

Epidural Space

When taking a sample of cerebrospinal fluid, a needle is inserted into the _________.

Subarachnoid Space

The ___________ provides lateral support for the spinal cord.

Denticulate Ligament

The __________ supports the spinal cord inferiorly.

Filum Terminale

A baby grasping your finger is a(n) __________ reflex.

Innate

Dilation of your pupil in a dark room is a(n) ___________ reflex.

Cranial

___________ reflexes include defecation, vomiting, and urination.

Visceral

The physician hits the tendon over the patella with a rubber percussion hammer resulting in your kicking your leg outward. This is a __________ reflex.

Monosynaptic

You step on a sharp object, pick up your foot, and balance on the opposite leg. This is a ________ reflex, also known as a __________ reflex.

Spinal, Polysynaptic

Sensory branch entering spinal cord

Dorsal Root

Posterior branch of a spinal nerve

Dorsal Ramus

Site of cerebrospinal fluid circulation

Subarachnoid Space

Surrounds axons of peripheral nerve

Endoneurium

Tapered end of spinal cord

Conus Medullaris

Contains visceral motor cell bodies

Lateral Gray Horn

Leads to autonomic ganglion

Rami Communicantes

Contains sensory cell bodies

Dorsal Root Ganglion

Motor branch exiting spinal cord

Ventral Root

Fascicle

Bundle of Axons