tetrahedral tetrad 中文意思是什麼
tetrahedral tetrad
解釋
四面四合體- tetrahedral : adj. 1. 有四面的。2. 【幾】四面（體）的；【植物；植物學】四分同裂的。
- tetrad : n. 1. 四個；四個一組的東西。2. 【生物學】四合子，四分體。3. 【化學】四價元素。4. 【幾】拼四小組。adj. -ic
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3. the development of the anther wall follows the basic type. cytokinesis in the microspore mother cell is of the successive type. the arrangement of microspore in tetrad is tetrahedral. mature pollen grain is of 2 - celled type. the anther has 4 four rooms, accidentally seen six or seven rooms
花藥壁的發育為基本型，小孢子減數分裂為連續型，小孢子四分體為四面體型，成熟花粉為二細胞型。花藥多為四室，偶見六室和七室。 4
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