gubernaculum
n.; pl. -la [L. dim. gubernare, to guide]
1. (CNIDARIA: Hydrozoa)
Hydroida, protoplasmic strands connecting the blastostyle and internal marsupium to the gonothecal wall; possibly functioning in nutrition or as a device for keeping the internal marsupium in position.
2. (NEMATA)
A sclerotized trough-shaped structure of the dorsal wall of the spicular pouch, near the distal portion of the spicules; functions for reinforcement of the dorsal wall. a. Retractor gubernaculi muscles extend from the gubernaculum to the dorsal or lateral body wall. b. Seductor gubernaculi muscles extend from the lateral walls of the body to the gubernaculum.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • Gubernacŭlum — Gubernacŭlum, 1) (lat.), Steuerruder; daher Gubernator, Steuermann; 2) Gubernaculum Hunteri, Hodenleiter, s.u. Genitalien A) a) aa) …   Pierer's Universal-Lexikon

  • Gubernaculum — Infobox Embryology Name = PAGENAME Latin = gubernaculum GraySubject = 252 GrayPage = 1211 Caption = Sagittal section through the pelvis of a newly born female child. (Label for round ligament of uterus visible at upper right.) Caption2 = System …   Wikipedia

  • gubernaculum — /gjubəˈnækjələm/ (say gyoohbuh nakyuhluhm), /gu / (say gooh ) noun a guiding structure, especially gubernaculum dentis, a connective tissue band joining the sac of an unerupted tooth with the gum, and gubernaculum testis, a cord in the foetus… …   Australian English dictionary

  • gubernaculum — gubernacular, adj. /gooh beuhr nak yeuh leuhm/, n., pl. gubernacula / leuh/. Anat., Zool. a part or organ that directs the movement or course of another part. [1655 65; < NL, L gubernaculum rudder, equiv. to guberna(re) to steer (see GOVERN) +… …   Universalium

  • gubernaculum — noun Either of a pair of folds of peritoneum that attach to the caudal end of the gonads (testes in males and ovaries in females) …   Wiktionary

  • gubernaculum — A fibrous cord connecting two structures. A mesenchymal column of tissue that connects the fetal testis to the developing scrotum; it appears to play a role in testicular descent. SYN: g …   Medical dictionary

  • gubernaculum — n. part of an organ which controls the movement of another organ …   English contemporary dictionary

  • gubernaculum — gu·ber·nac·u·lum …   English syllables

  • gubernaculum — n.; pl. gubernacula either of a pair of fibrous strands of tissue that connect the gonads to the inguinal region in the fetus. In the male they guide and possibly move the testes into the scrotum before birth. In the female the ovaries descend… …   The new mediacal dictionary

  • gubernaculum — …   Useful english dictionary

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