gubernaculum

名词 n.
中文释义
英 /ˌɡjuː.bəˈnak.jʊl.əm/    美 /ˌɡu.bɚˈnæk.jəl.əm/

英文释义

名词 n.
  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.
  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.
  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).
  4. A part or structure that serves as a guide:; (rare) A trailing flagellum in certain protists used for steering.

词形变化

gubernacula plural gubernaculum testis alternative gubernaculum dentis alternative

词源

From Latin gubernāculum (“a helm, rudder”).
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