en·do·spore ( n d -spôr )n. 1. A small spore formed within the vegetative cells of some bacteria. 2. A fungus spore borne within a cell or within the tubular end of a sporophore. 3. The inner layer of the wall of a spore. |
endospore [en´do-spor]
1. a thick-walled body formed within the vegetative cells of certain bacteria (e.g., Bacillus, Clostridium, Sarcina) that can withstand adverse environmental conditions for prolonged periods; under favorable conditions it will germinate to form a vegetative bacterium.
2. an asexual fungal spore produced within the hyphae or cell, as in a spherule of Coccidioides immitis or in a sporangium.
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