Definition
adjective
(1) Pertaining to a condition (especially of a blastula or ovum) in which there is only one primary germ layer.
(2) Having developed from an embryo with only one germ layer.
Supplement
Sea sponges are described to have been derived from a monoblastic embryo.
Word origin: Greek mono, single or alone + blastikós, budding.
Compare: triploblastic, diploblastic.
See also: blastula, germ layer.
Dictionary > Monoblastic
You will also like...
![squirrel](https://www.biologyonline.com/wp-content/uploads/2020/02/Animal-Water-Regulation-300x168.jpg)
Animal Water Regulation
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
![An artist depiction of a Precambrian multicellular life form.](https://www.biologyonline.com/wp-content/uploads/2020/02/The-Evolution-of-Cell-Organelles-224x168.jpg)
The Evolution of Cell Organelles
The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..
![Lake Wakatipu, New Zealand](https://www.biologyonline.com/wp-content/uploads/2020/09/Unique-Geographical-History-of-New-Zealand-300x168.jpg)
New Zealand’s Unique Geographical History
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..
![Consciousness and behavior](https://www.biologyonline.com/wp-content/uploads/2020/02/Consciousness-and-behavior-252x168.jpg)
Consciousness and Behavior
Human consciousness and behavior are an interesting topic since they are determined and controlled by the brain. Conscio..
![Hormone Production](https://www.biologyonline.com/wp-content/uploads/2020/02/Hormone-Production-168x168.jpg)
Hormone Production
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
![Lights' Effect on Growth](https://www.biologyonline.com/wp-content/uploads/2020/02/Lights-Effect-on-Growth-254x168.jpg)
Lights’ Effect on Growth
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..