在一种蕨类植物——剑叶凤尾蕨的雌配子体中，质体里的管状结构。
Tubular elements in plastids in the female gamete of a fern, Pteris ensiformis.
作者信息
Bell P R
出版信息
Eur J Cell Biol. 1982 Feb;26(2):303-5.
PMID:7200014
Abstract
Highly dedifferentiated plastids in the egg cells of the fern Pteris ensiformis contain tubules with an external diameter of about 36 nm and an internal of 12 nm. The tubules are unlike those described from other eukaryotic plastids, but, although larger, have some resemblance to the rhapidosomes of blue-green algae.
摘要
在剑叶凤尾蕨卵细胞中高度去分化的质体含有外径约36纳米、内径12纳米的小管。这些小管与其他真核生物质体中所描述的小管不同，不过，尽管更大，但与蓝藻的条状体有一些相似之处。
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