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Spinal Cord
Gross Anatomy and Protection, Gray Matter, White Matter, Homeostatic Imbalance
15
Anatomy
Undergraduate 1
11/23/2010

Additional Anatomy Flashcards

 


 

Cards

Term

 

Spinal Cord:

Definition

 

a major reflex center.

Term

 

Spinal Cord: Gross Anatomy and Protection:

Definition

 

extends from foramen magnum

to 1st or 2nd lumbar vertebra.

Term

 

Spinal Cord: Gross Anatomy and Protection:  Bone, CSF, meninges protect similar to brain EXCEPT: Dura:

Definition

 

is called spinal dural sheath

and is a single layer.

Term

 

Spinal Cord: Gross Anatomy and Protection:  Bone, CSF, meninges protect similar to brain EXCEPT: Epidural Space:

Definition

 

contains fat and loose CT.

Term

 

Spinal Cord: Gross Anatomy and Protection:  Bone, CSF, meninges protect similar to brain EXCEPT: Conus Medullaris:

Definition

 

cone shaped terminus (end) of cord.

Term

 

Spinal Cord: Gross Anatomy and Protection:  Bone, CSF, meninges protect similar to brain EXCEPT: Filum Terminale:

Definition


extension of pia that extends below

conus to attach to coccyx.

Term

 

Spinal Cord: Gross Anatomy and Protection:  Bone, CSF, meninges protect similar to brain EXCEPT: Denticulate Ligaments:

Definition

 

lateral extensions of pia that

anchors spinal cord to dura.

 

Nerve roots lie on either

side (doral & ventral).

Term

 

Spinal Cord: Gray Matter:

Definition

 

shaped like an "H" or butterfly

within the spinal cord.

Term

 

Spinal Cord: Gray Matter:

Gray Commissure:

Definition

 

the cross bar of the "H."

Term

 

Spinal Cord: Gray Matter:

Anterior (ventral) Horns:

Definition

 

contain motor neuron cell bodies.

Term

 

Spinal Cord: Gray Matter:

Posterior (dorsal) Horns:

Definition

 

contain association neuron cell bodies.

Term

 

Spinal Cord: Gray Matter:

Posterior (dorsal) Horns:

Dorsal Spinal Roots:

Definition

 

contain ganglia which house

sensory cell bodies.

Term

 

Spinal Cord: Gray Matter:

Later Horns:

Definition

 

small segment of gray in

thoracic and lumbar areas.

 

Visceral efferents.

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