Blastocystis
Blastocystis (Graece βλαστός 'pullus' + κύστις kystis 'capsula, vesica') est structura in primo mammalium progressu effecta. Ex massa cellulari interiori constat, quae embryonem denique efficit. Exterius blastocystis stratum in cellulis trophoblastus una appellatis consistit, quod stratum massam cellularem interiorem et blastocoelem, lacunam fluido impletam, cingit. Trophoblastus vicissim placentam parit. 

Endometrium
Gastrulatio
Morula
Zygotum

Bibliographia
Jirásek, Jan E. 2001. An atlas of the human embryo and fetus: a photographic review of human prenatal development. Praefatio Ludovici G. Keith. Novi Eboraci: Parthenon Publishing Group. ISBN 185070659X.
Kline, Jennie, Zena Stein, et Mervyn Susser. 1989. Conception to birth: epidemiology of prenatal development. Novi Eboraci: Oxford University Press. ISBN 0195042867.
Sherk, Stephanie Dionne. 2006. Prenatal Development. Gale Encyclopedia of Children's Health. Textus interretialis.
Veeck, Lucinda L., et Nikica Zaninović., eds. 2003. An atlas of human blastocysts. Novi Eboraci: Parthenon Publishing. Group. ISBN 1842141694, ISBN 9781842141694,

Nexus externi
De translatione blastocystis. Human Fertilisation and Embryology Authority.
"Embryo transfer: five to six days." De periculis translationis embryonum. oneatatime.org.uk.
Photographemata blastocystium in variis progressus stationibus. advancedfertility.com.
Diagramma. weber.edu.
Diagramma differentationis blastocystium. rahulgladwin.com.

Embryologia