venous plexus


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to venous plexus: Prostatic venous plexus, pampiniform venous plexus, vertebral venous plexus, Batson venous plexus

ve·nous plex·us

[TA]
a vascular network formed by numerous anastomoses between veins.
Synonym(s): plexus venosus [TA]

venous plexus

A network of interconnecting veins.
See also: plexus
References in periodicals archive ?
The vertebral venous plexus, via its communication with pelvic veins, provides a direct route for haematogenous spread of cancer from the bladder to the epidural space or vertebral body (1).
Serpentine intradural flow voids, corresponding to the dilated venous plexus, can be seen on both T1- and T2-weighted MR sequences (Figures 1 and 2), a finding more specific for spinal vascular malformations (3, 5, 7).
The portal vein forms from the most cranial portion of the right vitelline vein, the middle anastomosis, and the caudad portion of the left vitelline vein following regression of the remaining portions of the venous plexus.
3) The proximity of the trigeminal ganglion to the cavernous sinus and venous plexus in the intradural space supports hematogenous and lymphatic spread when there is lymphomatous involvement of the trigeminal ganglion.
Because the extensive epidural venous plexus is devoid of valves, increased pressure may lead to rupture of the veins and an epidural hematoma (1).
The usual pathologic changes in laryngeal metastasis occur through the vertebral venous plexus.
These proposals are supported by the work of Parke et al, (9) who described a novel system of pharyngovertebral veins that drain the pharynx into the periodontal venous plexus.