Spermosphere
Spermosphere Sper"mo*sphere, n. [Spermo- + sphere.] (Physiol.) A mass or ball of cells formed by the repeated division of a male germinal cell (spermospore), each constituent cell (spermoblast) of which is converted into a spermatozoid; a spermatogemma. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • spermosphere — The region surrounding a germinating seed where released organic matter stimulates microbial growth …   Dictionary of microbiology

  • SOLS - Microbiologie — Tous les types de micro organismes existent dans les sols. Ce sont soit des eucaryotes (champignons, algues et protozoaires), soit des procaryotes (bactéries et cyanobactéries). Leur biodiversité est considérable. Leur distribution est fonction… …   Encyclopédie Universelle

  • Laimosphere — The laimosphere is the microbiologically enriched zone of soil that surrounds below ground portions of plant stems; the laimosphere is analogous to the rhizosphere and spermosphere. The combining form laim from laimos (Greek) denotes a connecting …   Wikipedia

  • Sperm — Sperm, n.[F. sperme, L. sperma, Gr. ???, ???, from ???? to sow. Cf. {Spore}.] (Physiol.) The male fecundating fluid; semen. See {Semen}. [1913 Webster] {Sperm cell} (Physiol.), one of the cells from which the spermatozoids are developed. {Sperm… …   The Collaborative International Dictionary of English

  • Sperm cell — Sperm Sperm, n.[F. sperme, L. sperma, Gr. ???, ???, from ???? to sow. Cf. {Spore}.] (Physiol.) The male fecundating fluid; semen. See {Semen}. [1913 Webster] {Sperm cell} (Physiol.), one of the cells from which the spermatozoids are developed.… …   The Collaborative International Dictionary of English

  • Sperm morula — Sperm Sperm, n.[F. sperme, L. sperma, Gr. ???, ???, from ???? to sow. Cf. {Spore}.] (Physiol.) The male fecundating fluid; semen. See {Semen}. [1913 Webster] {Sperm cell} (Physiol.), one of the cells from which the spermatozoids are developed.… …   The Collaborative International Dictionary of English

  • Spermatogemma — Sper ma*to*gem ma, n. [NL. See {Spermato }, and {Gemma}.] (Physiol.) Same as {Spermosphere}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Spermatogonium — Sper ma*to*go ni*um, n. [NL., fr. Gr. ????, ???, sperm + ??? offspring.] (Physiol.) A primitive seminal cell, occuring in masses in the seminal tubules. It divides into a mass (spermosphere) of small cells (spermoblast), which in turn give rise… …   The Collaborative International Dictionary of English

  • spermosferă — spermosféră s. f., pl. spermosfére Trimis de siveco, 10.08.2004. Sursa: Dicţionar ortografic  SPERMOSFÉRĂ s. f. strat de sol care înconjură seminţele în curs de germinare. (< fr. spermosphère) Trimis de raduborza, 15.09.2007. Sursa: MDN …   Dicționar Român

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