hemidesmosome

desmosome

A site of adhesion between two adjacent cells, such as in the corneal epithelium. It consists of a small, dense body in which the two halves are separated by an intercellular gap filled with extracellular substance. The basal cells are attached at irregular intervals to the underlying basement membrane (adjacent to Bowman's layer) by hemidesmosomes (one half of a desmosome). Thus, scraping off the epithelium usually leaves fragments of the basal cells attached to the basement membrane.

单词	hemidesmosome
释义	DictionarySeedesmosome hemidesmosome hemidesmosome [‚hem·ē′dez·mə‚sōm] (histology) A structure similar to a desmosome that joins a cell to its basilar membrane rather than to another cell. hemidesmosome desmosome A site of adhesion between two adjacent cells, such as in the corneal epithelium. It consists of a small, dense body in which the two halves are separated by an intercellular gap filled with extracellular substance. The basal cells are attached at irregular intervals to the underlying basement membrane (adjacent to Bowman's layer) by hemidesmosomes (one half of a desmosome). Thus, scraping off the epithelium usually leaves fragments of the basal cells attached to the basement membrane.
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