• 卵质收回时,在卵表面卵柄处可见明显的树枝状结构。

    The evident arborization structure was observed at the egg handle on egg surface when the egg protoplasm drew back.

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  • 黏液腺在胚胎附着过程中形成卵柄和外层卵膜,胚胎是依靠卵柄或卵索附着于腹肢的刚毛上,进而完成胚胎发育过程。

    Embryo attachment was affected by the differentiation of egg membrane. Egg stalk and outer egg membrane were formed from mucus during development.

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  • 孢子体:为苔藓和地钱的孢子体世代具有。由受精卵发育而来,包括基足、柄和孢蒴。孢子体是寄生在配子体上的。

    Sporogonium the sporophyte generation in mosses and liverworts. it develops from the zygote and comprises the foot, seta, and capsule. the sporogonium is parasitic on the gametophyte generation.

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  • 由受精卵发育而来,包括基足、柄和孢蒴。

    It develops from the zygote and comprises the foot, seta, and capsule.

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  • 叶1片顶生于卵球形假鳞茎上,狭长圆形,长10-14厘米,宽1.8-2.3厘米,先端微凹,基部收窄成长约1.5厘米的柄。

    Pseudobulbs ovate, 1-leaved at apex. Leaves narrowly oblong, 10-14 cm long and 1.8-2.3 cm wide, apex emarginate, base attenuate;

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  • 叶1片顶生于卵球形假鳞茎上,狭长圆形,长10-14厘米,宽1.8-2.3厘米,先端微凹,基部收窄成长约1.5厘米的柄。

    Pseudobulbs ovate, 1-leaved at apex. Leaves narrowly oblong, 10-14 cm long and 1.8-2.3 cm wide, apex emarginate, base attenuate;

    youdao

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