Jump to navigation Jump to search

Template:Infobox Embryology

WikiDoc Resources for Blastocyst


Most recent articles on Blastocyst

Most cited articles on Blastocyst

Review articles on Blastocyst

Articles on Blastocyst in N Eng J Med, Lancet, BMJ


Powerpoint slides on Blastocyst

Images of Blastocyst

Photos of Blastocyst

Podcasts & MP3s on Blastocyst

Videos on Blastocyst

Evidence Based Medicine

Cochrane Collaboration on Blastocyst

Bandolier on Blastocyst

TRIP on Blastocyst

Clinical Trials

Ongoing Trials on Blastocyst at Clinical

Trial results on Blastocyst

Clinical Trials on Blastocyst at Google

Guidelines / Policies / Govt

US National Guidelines Clearinghouse on Blastocyst

NICE Guidance on Blastocyst


FDA on Blastocyst

CDC on Blastocyst


Books on Blastocyst


Blastocyst in the news

Be alerted to news on Blastocyst

News trends on Blastocyst


Blogs on Blastocyst


Definitions of Blastocyst

Patient Resources / Community

Patient resources on Blastocyst

Discussion groups on Blastocyst

Patient Handouts on Blastocyst

Directions to Hospitals Treating Blastocyst

Risk calculators and risk factors for Blastocyst

Healthcare Provider Resources

Symptoms of Blastocyst

Causes & Risk Factors for Blastocyst

Diagnostic studies for Blastocyst

Treatment of Blastocyst

Continuing Medical Education (CME)

CME Programs on Blastocyst


Blastocyst en Espanol

Blastocyst en Francais


Blastocyst in the Marketplace

Patents on Blastocyst

Experimental / Informatics

List of terms related to Blastocyst


The blastocyst is an early stage of the mammalian development that occurs at the beginning of pregnancy. It is the structure formed in early embryogenesis, after the formation of the blastocoel, but before implantation. It possesses an inner cell mass, or embryoblast which subsequently forms the embryo, and an outer cell mass, or trophoblast whoch forms the placenta. The human blastocyst comprises 70-100 cells. It is preceded by a zygote, the fertilized egg cell, and succeeded by an embryo. Other definitions consider the blastocyst an intermediate stage of the embryo, and begin using the term blastocyst at day 5 (16-20 cells.)[1]

Recently the inner cell mass has become a source for embryonic stem cells.


  1. "UNSW Embryology- Week 1". Retrieved 2007-12-30.

External links

Template:Gray's Template:Embryology

de:Blastozyste nl:Blastocyste no:Blastocyst sk:Blastocysta sr:Бластоцист fi:Alkiorakkula