Flashcards in Module Exam 5: Spinal Cord Deck (89)
Cervical 7, Thoracic 12, Lumbar 5, Sacral 1 & Coccygeal 1
Parts of the vertebra
Posterior segment, Intervertebral disc & Anterior segment "PIA"
Lies within the vertebral canal
Three surrounding fibrous membranes that protects the Spinal cord
Spinal cord is held in position by __________ on each side and _________ inferiorly.
Denticulate ligaments. Filum terminale.
In spinal cord, segmented and paired posterior/sensory and anterior/motor roots corresponding to each segment of the cord leave the vertebral canal through the
Shorter than the vertebral column and terminates in the adult at the level of
Spinal cord. Lower border of first lumbar vertebra.
Spinal cord components
Gray & white matter and central canal
Columns in the White Matter
Posterior F, Anterior F & Lateral F. (PAL)
Each column in the white matter is subdivided into these tracts:
Ascending T, Intersegmental T & Descending T "AID"
Parts of the Gray Matter
Posterior H, Anterior H & Lateral H "PAL"
The cell bodies in the gray substance are grouped into clusters of _______.
Nuclei of laminae
Laminae of Rexed: Located in the posterior horn
Laminae of Rexed: Located in the lateral horn
Laminae of Rexed: Located in the anterior horn
Laminae VIII & IX
Laminae of Rexed: gray substance surrounding the central canal
Vascular supply from vertebral
Anterior spinal artery
Vascular supply paired, from vertebral
Posterior spinal arteries
Vascular supply of anterior and posterior SC
Vascular supply of aorta
Artery of Adamkiewiscz
Ascending tract for position sense, 2pt discriminative,vibration sense & stereognosis.
Part of the ascending tracts
Dorsal/Posterior column & Spinothalamic tracts
Tract for pain & temperature
Tract for touch and pressure
Enumerate of Descending tracts
Medial reticulospinal, Anterior corticospinal, Lateral corticospinal, Lateral reticulospinal, Vestibulospinal, Tectospinal & Rubrospinal "MALL VTR"
Tracts included in the Anterior Funiculus
Vestibulospinal, Anterior Corticospinal, Reticulospinal & Tectospinal "VART"
Tracts included in the Lateral Funiculus
Lateral corticospinal & Rubrospinal "LR"
Provides voluntary control of skeletal muscles. Owes its name to the _________ of the primary cortex.
Pyramidal system. Pyramidal cells.
Pyramidal system consists of
Lateral corticospinal, Anterior corticospinal & Corticobulbar "LAC"