meroblast Synonyms
No Synonyms and anytonyms found
meroblast Meaning
meroblast (n.)
An ovum, as that of a mammal, only partially composed of germinal matter, that is, consisting of both a germinal portion and an albuminous or nutritive one; -- opposed to holoblast.
meroblast Sentence Examples
- Meroblastic eggs exhibit a distinct characteristic where cleavage is restricted to a specific region of the egg cytoplasm.
- The meroblastic nature of zebrafish eggs allows for the formation of a blastoderm only on a portion of the yolk.
- In contrast to holoblastic eggs, meroblastic eggs have a large, yolk-rich region that remains uncleaved during early development.
- The meroblastic cleavage pattern in avian eggs ensures that the embryo develops on a disc of cells above the yolk.
- Meroblastic segmentation in insect eggs leads to the formation of a germ band that gives rise to most of the embryo.
- The meroblastic pattern of cleavage in reptiles and birds restricts cell division to the animal pole region of the egg.
- The meroblastic development of amphibians occurs in eggs with a moderate amount of yolk, resulting in a partial cleavage furrow.
- Meroblastic eggs, such as those found in reptiles, have a cleavage furrow that does not reach the vegetal pole.
- The meroblastic cleavage pattern of some fish species can vary depending on factors such as egg size and yolk distribution.
- Understanding meroblastic cleavage is essential for studying the developmental mechanisms of organisms with this type of early embryonic development.
FAQs About the word meroblast
An ovum, as that of a mammal, only partially composed of germinal matter, that is, consisting of both a germinal portion and an albuminous or nutritive one; --
No synonyms found.
No antonyms found.
Meroblastic eggs exhibit a distinct characteristic where cleavage is restricted to a specific region of the egg cytoplasm.
The meroblastic nature of zebrafish eggs allows for the formation of a blastoderm only on a portion of the yolk.
In contrast to holoblastic eggs, meroblastic eggs have a large, yolk-rich region that remains uncleaved during early development.
The meroblastic cleavage pattern in avian eggs ensures that the embryo develops on a disc of cells above the yolk.
