Morula is a stage of embryonic development in animals, including the 16-cell phase, the 32-cell phase, and the 64-cell phase. The morula is produced by embryonic cleavage , the rapid cell division of the zygote with virtually no growth.
morula
mass of cells, called blastomeres, formed by cleavage of the egg in the early development of many animals
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
Morula
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Morula
[L. morus - mulberry]. The early stage of a blastula in which the solid mass of blastomeres resembles a mulberry in appearance. This occurs immediately before the blastocoel appears, forming the blastula.
morula The solid-ball stage of the pre-emplantation embryo. PICTURE ...
morula - [Latin, mulberry] early cleavage stage embryo (blastula) resembling a mulberry.
myogenesis - differentiation of skeletal muscle.
Morula develops into a blastocyst
Trophoblast (outer layer of blastocyst) → nourishes future embryo
Inner cell mass → will become fetus
Fluid filled cavity → for protection (absorbs shocks, resists compression, ...) ...
morula A stage in the embryonic development of some animals that consists of a solid ball of cells.
mosaic An organism whose tissues are made up of two or more genetically different types.
5 The process is repeated again and again, so that the two cells are succeeded by four, eight, sixteen, thirty-two, and so on, with the result that a mass of cells is found within the zona striata, and to this mass the term morula is applied ...
Because several morulas are usually transferred, multiple births are common (about 40%), and as is the case with most multiple births, the babies weigh less. To reduce the number of twins, triplets, etc.
Cleavage of the zygote begins while it is still in the oviduct, producing a solid ball of cells (morula). The morula enters the uterus, continuing to divide and becomes a blastocyst.
Implantation ...
 See also: Cells, Embryo, Cell, Human, Membrane
  
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