1. testa - Noun
2. Testa - Proper noun
The external hard or firm covering of many invertebrate animals.
The outer integument of a seed; the episperm, or spermoderm.
Source: Webster's dictionaryIt may develop into the testa, or seed coat. Source: Internet
Bitegmic seeds form a testa from the outer integument and a tegmen from the inner integument while unitegmic seeds have only one integument. Source: Internet
The endotesta is derived from the inner epidermis of the outer integument, and the outer layer of the testa from the outer surface of the outer integument is referred to as the exotesta. Source: Internet
The seed coat forms from the two integuments or outer layers of cells of the ovule, which derive from tissue from the mother plant, the inner integument forms the tegmen and the outer forms the testa. Source: Internet
But it’s not just the money, said Testa, it’s also putting the city on the map and attracting visitors from all over the region and the world – and having the largest hard-rock festival in California is a nice bragging right. Source: Internet
The recipient of a Society of Children’s Book Writers and Illustrators Work-in-Progress Grant for Becoming Joe DiMaggio, Maria Testa has garnered extraordinary praise for her spare, gripping novels. Source: Internet