Testa
Definition, Meaning & Examples
Pronunciation /ˈtɛstə/ · Part of speech noun
Quick meaning: Testa is a noun meaning (botany) A seed coat.
Meaning
(botany) A seed coat.
More Meanings
- (marine biology) The external calciferous shell, or endoskeleton, of an echinoderm; the test.
Example Sentences
The testa develops from the tissue, the integument, originally surrounding the ovule.
One of the most remarkable features of cultivated beans is the enormous range of testa colours and patterns which can be found.
Thus, two conditions must be satisfied for the testas to have this effect: contact between the testas and the radicle, and the presence of at least half of the testas.
The seeds are furnished with a reticulated testa, very much in appearance like that of the seeds of two closely-allied pericarps in the cabinet of my friend Mr. Ward, of Wellclose-square, the names of which I have been unable to obtain, but which present strong evidence of belonging to the Malvaceæ.
Word Forms
- testas
- testae
Synonyms for testa
Depending on context, synonyms include episperm.
Related Words
Related dictionary entries include episperm, crustaceous, test, spermoderm, seedcoat, integument.
Related Dictionary Tools
Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.