keriotheca वाक्य

उदाहरण वाक्य

1. Walls ( spirotheca ) are composed of an outer tectum and inner alveolar keriotheca and are thin in relation to the size of the test.
2. Tectum is the thin, dark, dense outer layer of the spirotheca, Keriotheca is the thicker, honeycomb-like alveolar, inner layer.