amnios sac

amnios sac
Embryonic Em`bry*on"ic, a. (Biol.) Of or pertaining to an embryo; embryonal; rudimentary. [1913 Webster]

{Embryonic sac} or {Embryonic vesicle} (Bot.), the vesicle within which the embryo is developed in the ovule; -- sometimes called also {amnios sac}, and {embryonal sac}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • amnios — [ amnjos ] n. m. • 1541; gr. amnion ♦ Zool., anat. Annexe embryonnaire enveloppant l embryon des vertébrés dits amniotes [ amnjɔt ] adj. et n. m. (mammifères, oiseaux, reptiles). ● amnios nom masculin (grec amnion) Fine membrane tapissant l… …   Encyclopédie Universelle

  • Sac amniotique — Amnios L amnios, ou sac amniotique, est l enveloppe qui se constitue autour de l embryon (puis du fœtus) des amniotes et qui a pour rôle de le protéger en maintenant autour de lui un liquide amniotique. Ce sac amniotique est fabriqué à partir de… …   Wikipédia en Français

  • amnios — AMNIÓS, amniosuri, s.n. Membrană care înveleşte până la naştere fetusul la mamifere, la păsări şi la reptile. [pr.: ni os] – Din fr. amnios. Trimis de cata, 17.01.2004. Sursa: DEX 98  amniós s. n. (sil. ni os), pl. amniósuri Trimis de siveco, 10 …   Dicționar Român

  • Amnios — L amnios, ou sac amniotique, est l enveloppe qui se constitue autour de l embryon (puis du fœtus) des amniotes et qui a pour rôle de le protéger en maintenant autour de lui un liquide amniotique. Ce sac amniotique est fabriqué à partir de l… …   Wikipédia en Français

  • amnios — noun thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) • Syn: ↑amnion, ↑amniotic sac • Derivationally related forms: ↑amniotic (for: ↑amnion), ↑amn …   Useful english dictionary

  • embryonal sac — Embryonic Em bry*on ic, a. (Biol.) Of or pertaining to an embryo; embryonal; rudimentary. [1913 Webster] {Embryonic sac} or {Embryonic vesicle} (Bot.), the vesicle within which the embryo is developed in the ovule; sometimes called also {amnios… …   The Collaborative International Dictionary of English

  • Embryonic sac — Embryonic Em bry*on ic, a. (Biol.) Of or pertaining to an embryo; embryonal; rudimentary. [1913 Webster] {Embryonic sac} or {Embryonic vesicle} (Bot.), the vesicle within which the embryo is developed in the ovule; sometimes called also {amnios… …   The Collaborative International Dictionary of English

  • amniotic sac — noun thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) • Syn: ↑amnion, ↑amnios • Derivationally related forms: ↑amniotic (for: ↑amnion), ↑amnionic …   Useful english dictionary

  • Embryonic — Em bry*on ic, a. (Biol.) Of or pertaining to an embryo; embryonal; rudimentary. [1913 Webster] {Embryonic sac} or {Embryonic vesicle} (Bot.), the vesicle within which the embryo is developed in the ovule; sometimes called also {amnios sac}, and… …   The Collaborative International Dictionary of English

  • Embryonic vesicle — Embryonic Em bry*on ic, a. (Biol.) Of or pertaining to an embryo; embryonal; rudimentary. [1913 Webster] {Embryonic sac} or {Embryonic vesicle} (Bot.), the vesicle within which the embryo is developed in the ovule; sometimes called also {amnios… …   The Collaborative International Dictionary of English

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