搜尋結果
theca
- IPA[ˈTHēkə]
美式
- the loose sheath enclosing the spinal cord.;the outer layer of cells of a Graafian follicle.
noun: theca, plural noun: thecae
- 釋義
名詞
- 1. the loose sheath enclosing the spinal cord.
- ▪ the outer layer of cells of a Graafian follicle.
- 2. a cuplike or tubular structure containing a coral polyp.
- 3. either of the lobes of an anther, each containing two pollen sacs.
- 更多解釋