sinusoid

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Related to sinusoidal capillary: continuous capillaries

sinusoid

 [si´nŭ-soid]
1. resembling a sinus.
2. a form of terminal blood channel consisting of a large, irregular, anastomosing vessel, having a lining of reticuloendothelium but little or no adventitia. Sinusoids are found in the liver, adrenal glands, heart, parathyroid glands, carotid bodies, spleen, hemolymph glands, and pancreas.

si·nu·soid

(si'nŭ-soyd),
1. Resembling a sinus.
2. Sinusoidal capillary; a thin-walled terminal blood vessel having an irregular and larger caliber than an ordinary capillary; its endothelial cells have large gaps and the basal lamina is either discontinuous or absent.
[sinus + G. eidos, resemblance]

sinusoid

(sī′nə-soid′, -nyə-)
n.
1. Mathematics See sine curve.
2. Anatomy Any of the venous cavities through which blood passes in various glands and organs, such as the adrenal gland and the liver.

si′nu·soi′dal (-soid′l) adj.
si′nu·soi′dal·ly adv.

si·nu·soid

(sī'nŭ-soyd)
1. Resembling a sinus.
2. Sinusoidal capillary; a thin-walled terminal blood vessel having a more variable and larger caliber than an ordinary capillary; its endothelial cells have large gaps and the basal lamina is either discontinuous or absent.
[sinus + G. eidos, resemblance]