sinusoid /si·nus·oid/ (si´nŭ-soid)
sinusoid
1. resembling a sinus.
2. a form of terminal blood channel consisting of a large, irregular anastomosing vessel having a lining of reticuloendothelium and found in the liver, heart, spleen, pancreas, and the adrenal, parathyroid, carotid, and hemolymph glands. 
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Sinusoids in a schematic view of a portion of a hepatic lobule.
si·nu·soid (s  n -soid , -ny-)n. Any of the venous cavities through which blood passes in various glands and organs, such as the adrenal gland and the liver. adj. Resembling a sinus. si nu·soidal (-soidl) adj. |
sinusoid
[sī′nəsoid]
Etymology: L, sinus + Gk, eidos, form
an anastomosing blood vessel that is somewhat larger than a capillary and is lined with reticuloendothelial cells.
sinusoid
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.
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