blastocyst cavity

blastocyst cavity
blastocystic cavity the fluid-filled cavity developing in the morula as it becomes a blastocyst.

Medical dictionary. 2011.

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  • Blastocyst — A stage in the early embryonic development of mammals in which there is a hollow sphere with an outer layer of cells and inside the hollow sphere, there is a cluster of cells called the inner cell mass. If development continues, the outer layer… …   Medical dictionary

  • blastocyst — /blas teuh sist/, n. Embryol. the blastula of the mammalian embryo, consisting of an inner cell mass, a cavity, and an outer layer, the trophoblast. [1885 90; BLASTO + CYST] * * * ▪ embryo phase       a distinctive stage of a mammalian embryo. It …   Universalium

  • blastocyst — blas•to•cyst [[t]ˈblæs tə sɪst[/t]] n. dvl the blastula of the mammalian embryo consisting of an inner cell mass, a cavity, and the trophoblast • Etymology: 1885–90 …   From formal English to slang

  • amniotic cavity — n the fluid filled space between the amnion and the fetus * * * the fluid filled cavity between the embryo and the amnion. It forms initially within the inner cell mass of the blastocyst and later expands over the back of the embryo, eventually… …   Medical dictionary

  • amniotic cavity — the fluid filled cavity between the embryo and the amnion. It forms initially within the inner cell mass of the blastocyst and later expands over the back of the embryo, eventually enclosing it completely. See also: amniotic fluid …   The new mediacal dictionary

  • pregnancy — /preg neuhn see/, n., pl. pregnancies. the state, condition, or quality of being pregnant. [1520 30; PREGN(ANT) + ANCY] * * * Process of human gestation that takes place in the female s body as a fetus develops, from fertilization to birth (see… …   Universalium

  • Human embryogenesis — is the process of cell division and cellular differentiation of the human embryo during early prenatal development. It spans from the moment of fertilization to the end of the 8th week of gestational age, whereafter the embryo is called a fetus.… …   Wikipedia

  • Blastocoele — Blastocyst …   Wikipedia

  • Inner cell mass — Infobox Embryology Name = PAGENAME Latin = GraySubject = 6 GrayPage = 46 Caption = Blastocyst with an inner cell mass and trophoblast. Caption2 = System = CarnegieStage = 3 Days = 6 Precursor = blastocyst GivesRiseTo = epiblast, hypoblast… …   Wikipedia

  • human embryology — ▪ biology Introduction       the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth.       The human body, like that of most animals, develops from a single cell produced by the union of… …   Universalium

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