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单词 Intercellular cleft
释义

Intercellular cleft

英语百科

Intercellular cleft

High power SEM of an intercellular cleft between two blastomeres of a stage 2, 8-cell embryo in vitro on post-insemination day 3. Blastomeres are connected by long and large microvilli. Zona pellucida was removed chemically.
Transmission electron micrograph of tight junctions within intercellular cleft
This diagram shows the intercellular cleft of a continuous capillary.

An intercellular cleft is a channel between two cells through which molecules may travel and gap junctions and tight junctions may be present. Most notably, intercellular clefts are found between epithelial cells and the endothelium of blood vessels and lymphatic vessels, also helping to form the blood-nerve barrier surrounding nerves. Intercellular clefts are important for allowing the transportation of fluids and small solute matter through the endothelium.

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更新时间:2025/6/24 14:45:12