plexus (redirected from Hemorrhoidal plexus)

plex·us  (plkss)

n. pl. plexus or plex·us·es

1. A structure in the form of a network, especially of nerves, blood vessels, or lymphatics: the cardiac plexus; the pelvic plexus.

2. A combination of interlaced parts; a network.

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[New Latin, from Latin, braid, from past participle of plectere, to plait; see plek- in Indo-European roots.]

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plexus

Noun

pl -uses or -us a complex network of nerves or blood vessels [Latin plectere to braid]

Thesaurus

Noun

1.

plexus - a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels rete anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure" aortic plexus - a plexus of lymph nodes in the lower portion of the abdominal aorta nerve plexus - a network of intersecting nerves choroid plexus, plexus choroideus - a vascular plexus of the cerebral ventricles that regulate intraventricular pressure lumbar plexus, plexus lumbalis - a lymphatic plexus located along the lower portion of the aorta and iliac vessels pterygoid plexus - a plexus of veins draining the region of the pterygoid muscles and draining into the internal maxillary and anterior facial veins rete testis - network of tubules carrying sperm from the seminiferous tubules to the vasa efferentia