gubernaculum
[医] 引带
发音
词形变化
别名
释义与例句
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1.
A part or structure that serves as a guide:
Either of a pair of folds of peritoneum which connects the caudal end of the fetal testis with the bottom of the scrotum in a male fetus, and by failing to elongate in proportion to the rest of the fetus causes the descent of the testis into the scrotum; or an analogous cord of connective tissue attached to the ovary in a female fetus, which is the precursor of the round and ovarian ligaments.
医学 -
2.
A part or structure that serves as a guide:
(more fully gubernaculum dentis) A cord or sheath of connective tissue that connects the sac of an unerupted permanent tooth with the surface of the gum.
医学 -
3.
A part or structure that serves as a guide:
The reproductive tract of an invertebrate, or part of it; especially the section containing the gonophores (in a hydrozoan); a sclerotized structure in the cloaca (in a nematode).
生物 动物学 -
4.
A part or structure that serves as a guide:
(rare) A trailing flagellum in certain protists used for steering.
生物
词源
From Latin gubernāculum (“a helm, rudder”).
来源:wiktionary