Dictionary > Triploblasty

Triploblasty

Definition
noun
(1) A condition of a blastula in which there are three primary germ layers: ectoderm, mesoderm and endoderm.
(2) A condition of an ovum in which it divides forming a blastoderm made up of three layers.
Supplement
All higher and intermediate animals (i.e. from flat worms to humans develop from a triploblastic embryo.
Word origin: Greek tripló(os), threefold + blastikós, budding.
Related forms: triploblastic (adjective).
Compare: diploblasty.

See also: blastula, germ layer.


You will also like...

Gene Pool and Speciation
The Gene Pool and Population Genetics

According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..

Energy pyramid
Freshwater Community Energy Relationships – Producers & Consumers

This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

Adaptive Radiation
Adaptive Radiation

The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..

squirrel
Animal Water Regulation

Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

Peppered moth ("Biston betularia") melanic and light form
Examples of Natural Selection

Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..

Young plant growing from the soil.
Soils

Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..

Related Articles...

No related articles found

See all Related Topics