Blastula Notes: Definitions & Explanations PDF | Download eBooks
Study Blastula lecture notes PDF with biology definitions and explanation to study What is Blastula?. Study blastula explanation with biology terms to review biology course for online degree programs.
Blastula Definition:
During the development of most animals, cleavage leads to the formation of a multicellular stage called a blastula, which in many animals takes the form of a hollow ball.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Blastula Notes:
The blastula is a hollow sphere of cells which are referred to as blastomeres. They surround an inner fluid-filled cavity called the blastocoel formed during an early stage of embryonic development in animals. Embryo development begins with a sperm fertilizing an egg to become a zygote which undergoes many cleavages to develop into a ball of cells called a morula. Only when the blastocoel is formed does the early embryo become a blastula. The blastula precedes the formation of the gastrula in which the germ layers of the embryo form.
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