Navigation Links
Blastula in Biological Dictionary

Gastrula

... hollow, single-layered ball of cells called a blastula which itself is the product of the repeated ... ... The gastrula develops from the blastula by invagination (inpocketing), forming ... ... zebrafish embryos by transplantation at the blastula or gastrula stage. ... chimera, zebrafish ...

Blastula

... The blastula , meaning "sprout") is an early stage ... in the animal pole of the embryo. The blastula follows the morula and precedes ... blastula n. , pl. -las or -lae ( ). An early embryonic ...

Blastoderm

... at Britannica. Assorted References formation by blastula ( in blastula (biology) ) ... of cells, or blastomeres, ... of a fertilized egg. The cells of the blastula form an epithelial (covering) layer, called .....

Blastocoel

... at Britannica. Assorted References formation by blastula ( in blastula (biology) ) ... development of an embryo by ... of a fertilized egg. The cells of the blastula form an epithelial (covering) layer, called the ...

Yolk plug

... of the ventral lip of the blastopore. It is a patch of large endodermal cells which remains exposed on the vegetal surface of the amphibian blastula that will eventually be internalized by epiboly. Frog yolk plug . This embryo is near the end of gastrulation. ... overlying the ...

Primitive streak

... of gastrulation is complete the primitive streak disappears. ... The primitive gut that forms during gastrulation in the developing blastula is ... blastopore in amphibians and fish, and the primitive streak in birds and mammals. ... Britannica online encyclopedia article on ...

Morula

... in a solid ball contained within the zona pellucida. morula n. , pl. -lae ( ). The spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum CE SITE EN CONSTRUCTION AGRÈGE PLUSIEURS SOUS-SITES, TOTALEMENT INDÉPENDANTS LES ... ILS ...

Germinal disc

... about germinal disc in the free online ... germinal disc . Also found in: ... germinal disc - a layer of cells on the inside of the blastula ... Germinal disc - Wikipedia, the free encyclopedia ... Eggs From A To Z - Germinal Disc ... germinal disk : Definition from ...

Gastrulation

... ... 3. Mammals - gastrulation similar to birds and reptiles, even though eggs possess little yolk. ... AMPHIOXUS GASTRULATION . A. Wall of blastula flattens and ... In the simplest terms, gastrulation is a stage in early development; in human ... Do all amniotes go through gastrulation ...

Blastocyst

... ... Note: click on a word meaning below to see its connections and related words. The noun blastocyst has one meaning: Meaning #1 : the blastula of Blastocyst transfer increases success rates and lowers the chances of multiple births. ... Blastocyst Transfer ... A blastocyst is an ...

Archenteron

... The primitive gut that forms during gastrulation in the developing blastula is known as the archenteron . It develops into the digestive tract of an animal. Third, secondary mesenchyme pull the tip of the archenteron ...

Animal

... Animals have several characteristics that set them apart from other living things. ... In most animals , embryos pass through a blastula stage, which is a ... Explore the animal world. Find sites about amphibians, birds, fish, insects, mammals, reptiles, and other species. In ...
Other Contents
(Date:4/17/2014)... Yokahama IPCC meeting painted a stark warning on the ... has a greenhouse effect 32 times that of carbon ... that humic substances act as fully regenerable electron acceptors ... held in wetlands instead of being released to the ... is disrupted it may enter into a vicious cycle ...
(Date:4/17/2014)... chock full of wild animals and plant life, but ... are churning away in the soil, decomposing organic matter ... vital role these fungi play in ecological systems, their ... of scientists has generated a genetic map of more ... work was published this week in the Proceedings ...
(Date:4/16/2014)... Nicaragua,s legal, artisanal green sea turtle fishery has uncovered ... turtles in what may have become an unsustainable take, ... and University of Florida. , During the research period, ... were killed between 1991 and 2011, with catch rates ...
Breaking Biology News(10 mins):Methane climate change risk suggested by proof of redox cycling of humic substances 2Stanford biologists help solve fungal mysteries 2Stanford biologists help solve fungal mysteries 3Declining catch rates in Caribbean green turtle fishery may be result of overfishing 2Declining catch rates in Caribbean green turtle fishery may be result of overfishing 3
(Date:4/17/2014)... McCullers, MD, was recently invited to submit a ... Reviews Microbiology , one of the world,s foremost ... disease specialist, and chair of the Department of ... Center, analyzed the epidemiology and microbiology of co-infections ... well as more recent 2009 novel H1N1 pandemic. ...
(Date:4/17/2014)... many as 10 million older Americans suffer from depression, ... , However, new research a project that followed ... six years found that Internet use among the ... than 30 percent. , "That,s a very strong effect," ... telecommunication, information studies and media who led the project. ...
(Date:4/17/2014)... of Medicine (BUSM) have discovered that the anti-seizure ... model. The findings, reported in the American ... lead to more effective treatments for alcoholism. , ... leading causes of illness and death in the ... limiting the productivity of workers and necessitating huge ...
(Date:4/17/2014)... international research team led by Cesar A. Arias, M.D., ... at Houston (UTHealth) has identified a new superbug that ... report appeared in the April 17 issue of ... new superbug is part of a class of highly-resistant ... MRSA, which is a major cause of hospital and ...
(Date:4/17/2014)... blood flow and alleviates muscle soreness after exercise, ... University of Illinois at Chicago. , The study, ... Archives of Physical Medicine and Rehabilitation , ... people who had not exercised, suggesting that massage ... of physical activity. , Improved circulation and relief ...
Breaking Medicine News(10 mins):Health News:Internet use can help ward off depression among elderly 2Health News:BUSM researchers find anti-seizure drug may reduce alcohol consumption 2Health News:New MRSA superbug emerges in Brazil 2Health News:Massage therapy improves circulation, eases muscle soreness 2
Other TagsOther Tags