the eusporangium develops within the fern frond tissue.
孢子囊在蕨类叶肉组织内发育。
each eusporangium contains numerous spores for reproduction.
每个孢子囊含有大量繁殖用的孢子。
the eusporangium wall consists of multiple cell layers.
孢子囊壁由多层细胞组成。
during maturation, the eusporangium releases spores through a specialized opening.
成熟时，孢子囊通过专门的开孔释放孢子。
the formation of eusporangia follows a precise developmental pattern.
孢子囊的形成遵循精确的发育模式。
anatomical studies reveal the complex structure of the eusporangium.
解剖学研究揭示了孢子囊的复杂结构。
the eusporangium produces spores via meiosis within specialized cells.
孢子囊通过专门细胞内的减数分裂产生孢子。
young eusporangia appear as small protrusions on the sporophyll surface.
幼小的孢子囊在孢子叶表面呈现为微小的突起。
the eusporangium is typically larger than other sporangium types.
孢子囊通常比其他类型的孢子囊要大。
environmental conditions influence eusporangium development in ferns.
环境条件影响蕨类植物中孢子囊的发育。
the eusporangium ruptures when mature to disperse spores.
孢子囊成熟时会破裂以散播孢子。
cellular differentiation occurs during eusporangium formation.
细胞分化发生在孢子囊形成过程中。
the eusporangium contains a single layer of sterile cells.
孢子囊包含一层不育细胞。
the eusporangium develops within the fern frond tissue.
孢子囊在蕨类叶肉组织内发育。
each eusporangium contains numerous spores for reproduction.
每个孢子囊含有大量繁殖用的孢子。
the eusporangium wall consists of multiple cell layers.
孢子囊壁由多层细胞组成。
during maturation, the eusporangium releases spores through a specialized opening.
成熟时，孢子囊通过专门的开孔释放孢子。
the formation of eusporangia follows a precise developmental pattern.
孢子囊的形成遵循精确的发育模式。
anatomical studies reveal the complex structure of the eusporangium.
解剖学研究揭示了孢子囊的复杂结构。
the eusporangium produces spores via meiosis within specialized cells.
孢子囊通过专门细胞内的减数分裂产生孢子。
young eusporangia appear as small protrusions on the sporophyll surface.
幼小的孢子囊在孢子叶表面呈现为微小的突起。
the eusporangium is typically larger than other sporangium types.
孢子囊通常比其他类型的孢子囊要大。
environmental conditions influence eusporangium development in ferns.
环境条件影响蕨类植物中孢子囊的发育。
the eusporangium ruptures when mature to disperse spores.
孢子囊成熟时会破裂以散播孢子。
cellular differentiation occurs during eusporangium formation.
细胞分化发生在孢子囊形成过程中。
the eusporangium contains a single layer of sterile cells.
孢子囊包含一层不育细胞。
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