In botany|lang=en terms the difference between theca and frustule
is that theca is (botany) the pollen producing organ usually found in pairs and forming an anther while frustule is (botany) the siliceous shell of a diatom.
As nouns the difference between theca and frustule
is that theca is (biology) any external case or sheath while frustule is (botany) the siliceous shell of a diatom.
theca
English
Noun
(en-noun)
(biology) Any external case or sheath.
(botany) The pollen producing organ usually found in pairs and forming an anther.
(medicine) The twin layers of cells surrounding the basal lamina of an ovarian follicle
(microbiology, planktology) The membrane complex enveloping the cells of certain plankton including diatoms and dinoflagellates
(coral science) The calcareous wall of a corallite, the exoskeleton of a coral polyp
Derived terms
{{der3, thecal
, thecate
, thecoma
, epitheca
, ootheca
, gnathotheca
, hypotheca
, spermatheca
, theca externa
, theca interna
, theca folliculi}}
Related terms
* thecium
External links
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Anagrams
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frustule
English
Noun
(
en noun)
(botany) The siliceous shell of a diatom.
*
- A frustule is the hard and porous cell wall or external layer of diatoms. The frustule is composed almost purely of silica ...
See also
*frustum
Anagrams
*
