endospore

[en-duh-spawr, -spohr] /ˈɛn dəˌspɔr, -ˌspoʊr/
noun
1.
Botany, Mycology. the inner coat of a spore.
Compare intine.
2.
Bacteriology. a spore formed within a cell of a rod-shaped organism.
Origin
1870-75; endo- + spore
Related forms
endosporous
[en-dos-per-uh s, en-doh-spawr-, -spohr-] /ɛnˈdɒs pər əs, ˌɛn doʊˈspɔr-, -ˈspoʊr-/ (Show IPA), adjective
endosporously, adverb
British Dictionary definitions for endospore

endospore

/ˈɛndəʊˌspɔː/
noun
1.
a small asexual spore produced by some bacteria and algae
2.
the innermost wall of a spore or pollen grain
Derived Forms
endosporous (ɛnˈdɒspərəs; ˌɛndəʊˈspɔːrəs) adjective
Word Origin and History for endospore
n.

1859, perhaps from French, from endo- + spore.

endospore in Medicine

endospore en·do·spore (ěn'də-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 in Science
endospore
  (ěn'də-spôr')   
A rounded, inactive form that certain bacteria assume under conditions of extreme temperature, dryness, or lack of food. The bacterium develops a waterproof cell wall that protects it from being dried out or damaged. Bacteria have been known to remain dormant but alive in the form of endospores for long periods of time, even thousands of years. Also called endosporium.