Definition of Exosporium

1. Noun. (botany) the outer layer of a pollen grain or spore; the exine ¹

¹ Source: wiktionary.com

Definition of Exosporium

1. [n -RIA]

Medical Definition of Exosporium

1. The outer envelope of a spore. (05 Mar 2000)

Lexicographical Neighbors of Exosporium

exosmose
exosmoses
exosmosis
exosmotic
exosolar planet
exosolar planets
exosome
exosome complex
exosomes
exosphere
exospheres
exospheric
exospore
exospores
exosporia
exosporium (current term)
exossation
exosseous
exosstate
exostectomy
exostema
exostemas
exostome
exostomes
exostosectomy
exostoses
exostosis
exostosis bursata
exostosis cartilaginea
exosystem

Literary usage of Exosporium

Below you will find example usage of this term as found in modern and/or classical literature:

1. On the Germination, Development, and Fructification of the Higher by Wilhelm Hofmeister, Frederick Currey (1862)
"If however the exosporium be immersed for half an hour in a saturated solution of glycerine, it becomes sufficiently transparent to expose to view ..."

2. A Student's Text-book of Botany by Sydney Howard Vines (1896)
"The spores are generally tetrahedral, with two coats, the outer of which (exosporium) is tuberculate or reticulate on the surface. ..."

3. Quarterly Journal of Microscopical Science edited by Biologists Limited, The Company of. (1875)
"12), resembling the germination of the.'s] of Eurotium. At first the exosporium ruptures by the swelling of the contents of the spores, but it is not thrown ..."

4. Diseases of Cultivated Plants and Trees by George Massee (1913)
"This genus is closely allied to Coryneum, if indeed there is any real difference between the two. Larch branch fungus (exosporium ..."

5. A Text-book of Bacteriology by George Miller Sternberg (1901)
"The outer envelope, or exosporium, is cast off and may be seen in the vicinity of ... 70, and in other species the exosporium is ruptured and the bacillus ..."

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