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Spinal Anatomy Exam 2 > intervertebral foramen: contents > Flashcards

Flashcards in intervertebral foramen: contents Deck (10):

what are the generic contents of the intervertebral foramen?

neural tissue, connective tissue, vascular tissue, lymphatic tissue


what is the percent of neural tissue in the intervertebral foramen?

from 8 to 50 %


what are the medullary feeder arteries?

enlarged radicular arteries which join the arterial vasa corona to provide blood from the spinal cord


what is the name of the largest medullary feeder artery?

artery of Adamkiewicz or the arteria radicalis magna anterior


what are the characteristics of the Artery of Adamkiewicz?

it is a left side, anterior medullary feeder artery, located in the T9/T10 intervertebral foramen, and the primary vascular supply to the lumbar enlargement


what veins drain the nerve roots toward the intervertebral foramen?

anterior and posterior radicular veins


what ligament lies next to the anterior internal vertebral venous plexus?

posterior longitudinal ligament


what is a unique histological feature of the veins of the vertebral column?

they appear to lack valves


what size lymphatic vessels lie in the intervertebral foramen?

medium sized lymphatics


what type(s) of connective tissue will be present in the intervertebral foramen?

adipose tissue and loose areolar connective tissue