Definitions for tapetumtəˈpi təm
Random House Webster's College Dictionary
ta•pe•tum*təˈpi təm(n.)(pl.)-ta
Bot. a layer of nutritive tissue in a developing sporangium or anther that is absorbed as the spore matures.
Category: Botany
Anat. any of certain membranous layers or layered coverings, as in the choroid coat in certain animals.
Category: Anatomy, Zoology
* (-tə)..
Origin of tapetum:
1705–15; < NL; ML tapētum coverlet (L, only pl.) < Gk tapēt-, s. of tápēs carpet
ta•pe′tal(adj.)
Wiktionary
tapetum(Noun)
A membranous layer of tissue
Webster Dictionary
Tapetum(noun)
an area in the pigmented layer of the choroid coat of the eye in many animals, which has an iridescent or metallic luster and helps to make the eye visible in the dark. Sometimes applied to the whole layer of pigmented epithelium of the choroid
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