Seeds elliptic, base sharp, apex retuse, back chalazal knot zonate, with transverse and obtuse ribs, ventral holes furrowed from upper middle to apex.
种子椭圆形，基部尖锐，先端微凹，具环纹的背种脐，具横裂和钝肋，腹面洞棱槽从上面中间到先端。
| 单词 | Chalazal |
| 释义 |
Chalazal
英语例句库
Seeds elliptic, base sharp, apex retuse, back chalazal knot zonate, with transverse and obtuse ribs, ventral holes furrowed from upper middle to apex. 种子椭圆形，基部尖锐，先端微凹，具环纹的背种脐，具横裂和钝肋，腹面洞棱槽从上面中间到先端。 Vacuoles in the synergids tended to concentrate mainly in the chalazal region.There was a peak period of lipid formation in the two synergids. 三是助细胞与珠心相接胚囊壁有些部位出现十分明显的突起，个别突起内有大型嗜锇体。
英语百科
Chalaza（重定向自Chalazal）
The chalaza (/kəˈleɪzə/; from Greek χάλαζα "hailstone"; plural chalazas or chalazae) is a structure inside bird and reptile eggs and plant ovules. It attaches or suspends the yolk or nucellus within the larger structure. |
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