中轴胎座
- 网络axile placentation;axile placenta;axile
中轴胎座
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花粉管在子房室中轴胎座表面生长经历2~4h。
Pollen tube prolongs on the surface of axile placenta in locule for 2-4 hours .
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雌蕊3心皮3室,子房下位,中轴胎座,每室2倒生胚珠,厚珠心,双珠被,内珠被独自形成珠孔。
Its pistil consists of three carpels , the inferior ovary has three locules and each locule has two ovules which are anatropous on axile placenta . The ovule is bitegminous and crassinucellate .
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中轴胎座细胞数在花后15天和45-60天的时间里有两个增加时期,各节位增加了7-12倍。
There are two increase periods of the number of placenta cell after flowering .
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子房2室,中轴胎座。
The ovary is 2 locular .
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前者的维管束进入子房壁,后者的维管束进入子房的中轴,形成胎座维管束。至延长部后,胎座维管束逐渐消失。
The bundles from the outer region enter the ovary wall , while those from the central region extend into the axile and become placental bundles which fade away gradually in prolongation .