noun
definition
A seed coat.
definition
The external calciferous shell, or endoskeleton, of an echinoderm; the test.
Examples of testa in a Sentence
Each fibre is formed by the outgrowth of a single epidermal cell of the testa or outer coat of the seed.
In a certain wide sense the textual criticism of the New Testa ment began as soon as men consciously made recensions and versions, and in this sense Origen, Jerome, Augustine and many other ecclesiastical writers might be regarded as textual critics.
Turris Libisonis was also connected with Othoca by a road along the west coast, passing through Tharros, Cornus and Bosa; this road went on to Tibula 2 (Capo della Testa) at the north extremity of the island and so by the coast to Olbia.
The seed consists of a thin, hard testa or shell, enclosing a wrinkled kernel, which, when dried, is the nutmeg.
While the code, according to its own lights, aims at strict justice rather than charity, the Old Testa ment has reforming aims, and the religious, legislative and social ideals are characterized by the insistence upon a lofty moral and ethical standard.
The brown testa contains, in the outer of the four coats into which it is microscopically distinguishable, an abundant secretion of mucilaginous matter; and it has within it a thin layer of albumen, enclosing a pair of large oily cotyledons.
The testa is thin and membranous but occasionally coloured, and the embryo small, the great bulk of the seed being occupied by the hard farinaceous endosperm (albumen) on which the nutritive value of the grain depends.
In 1768 he was recalled, ostensibly because of a mesalliance with Mme Testa, widow of a Pera surgeon, but really because Choiseul thought him not zealous enough in provoking a quarrel between Russia and Turkey.
I I, Bennettites seed in longitudinal section, showing the dicotyledonous embryo; p, cotyledons; r, radicle; s, testa.
The seeds are short to extended bell shaped with a blackish, rough humpy testa.
He blends the tradition of the Old Testa ment with Greek philosophy, and, within the latter, exhibits that union of Platonism with Stoicism, especially in the doctrine of the Logos, which became dominant in the Christian apologists and the great theologians of the ancient church.