ectoderm

n. 外胚层, 外层 [医] 外胚层

词形变化

ectoderms 复数 ectoderms

释义与例句

n.
  1. 1.

    The outermost of the three tissue layers in the embryo of a metazoan animal, which produces through development, the epidermis (skin) and nervous system of the adult.

    生物

词汇关系

名词

同义词 2

ectoblast exoderm

上位词 1

germ layer

下位词 1

neural tube

词源

From ecto- + -derm.

来源：wiktionary