trophonema

既定 英語（イギリス） (en-GB)

名詞

Any of several glandular villi of the uterus of viviparous sharks which supply nutrient to the embryos

日本語の意味

胎生サメの子宮内に存在し、胚に栄養を供給する腺性絨毛（じゅうもう）構造の一つ

このボタンはなに？

During dissection, the marine biologist carefully examined a trophonema to understand how it supplies nutrients to developing shark embryos.

解剖の際、海洋生物学者は胎生サメの胚に栄養を供給する仕組みを理解するため、子宮の腺絨毛を注意深く観察した。

詳細

意味（1）

Any of several glandular villi of the uterus of viviparous sharks which supply nutrient to the embryos

The trophonema consists of 50–60 trophocytes that maintain contact with <1% of the oocyte surface and forms a circular, bowel-shaped depression on the luminal surface of the gastrodermis as they sink into the mesoglea with the oocyte.

詳細

trophonemata （ plural ）