Intervertebral veins

Intervertebral veins
Transverse section of a thoracic vertebra, showing the vertebral venous plexuses.
Median sagittal section of two thoracic vertebrae, showing the vertebral venous plexuses.
Details
Latin	vena intervertebralis
Dorlands /Elsevier	v_05/12850732
*Anatomical terminology*

The intervertebral veins accompany the spinal nerves through the intervertebral foramina; they receive the veins from the medulla spinalis, drain the internal and external vertebral plexuses.

Their drainage depends upon the part of the body:

Their orifices are provided with valves.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

To azygos system

To IVC or left renal vein

Unpaired

posterior:	iliolumbar superior gluteal lateral sacral
anterior:	inferior gluteal obturator uterine ♀ uterine plexus ♀ vesical vesical plexus prostatic plexus ♂ deep of penis ♂/clitoris ♀ posterior scrotal ♂/labial ♀ vaginal plexus/vein ♀ middle rectal internal pudendal inferior rectal bulb of penis ♂/vestibule ♀ rectal plexus

Splenic	short gastric left gastroepiploic pancreatic inferior mesenteric superior rectal left colic
Superior mesenteric	right gastroepiploic pancreaticoduodenal jejunal ileal middle colic right colic ileocolic appendicular
Direct	cystic left gastric/esophageal right gastric paraumbilical

Coronary sinus	Great cardiac (Left marginal) Posterior of the left ventricle Oblique of the left atrium (Ligament of the left vena cava) Middle cardiac
Small cardiac vein	Anterior cardiac (Right marginal)
Smallest cardiac veins	Right atrial veins Right ventricular veins

Brachiocephalic	internal thoracic anterior intercostal superior epigastric left superior intercostal supreme vertebral subclavian axillary: lateral thoracic thoracoepigastric dorsal scapular external jugular pericardiacophrenic internal jugular
Azygos	right superior intercostal bronchial intercostal/posterior intercostal 5-11 accessory hemiazygos/hemiazygos superior phrenic

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