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A solid mass of blastomeres that forms when the zygote splits
Answer for the clue "A solid mass of blastomeres that forms when the zygote splits ", 6 letters:
morula
Alternative clues for the word morula
Word definitions for morula in dictionaries
Wikipedia
Word definitions in Wikipedia
A morula ( Latin , morus : mulberry ) is an early stage embryo consisting of cells (called blastomeres ) in a solid ball contained within the zona pellucida . A morula is distinct from a blastocyst in that a morula (3–4 days post fertilization) is a 16-cell ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Morula \Mor"u*la\, n.; pl. Morul[ae] . [NL., dim. of L. morum a mulberry.] (Biol.) The sphere or globular mass of cells (blastomeres), formed by the clevage of the ovum or egg in the first stages of its development; -- called also mulberry mass , segmentation ...
WordNet
Word definitions in WordNet
n. a solid mass of blastomeres that forms when the zygote splits; develops into the blastula [also: morulae (pl)]
Wiktionary
Word definitions in Wiktionary
n. (context biology English) A spherical mass of blastomeres that forms following the splitting of a zygote; it becomes the blastula.
Usage examples of morula.
Arthur, would induce the fertilized ovum to develop beyond the morula stage.
They lost the spoor on the third day in the rain, but a dozen times in the years since then, Flynn had followed and lost those double furrows, and once, through his binoculars, he had seen the old bull again, standing dozing beneath a grove of morula trees at a distance of three miles, his eroded old head propped up by the mythical tusks.
They had stalked to within twenty paces of the enormous, ancient beast as he fed on the fruits of a morula tree.
When they went on again, they had not gone more than a mile before they entered a grove of morula trees.
At first it was thought that the enzyme on the acrosome was being inhibited in some fashion and thus the spermatozoon was being prevented from penetrating the zona pellucida—the protective layer of the ovum— but a series of beautiful demonstrations by Russell and Austin at Cambridge proved beyond all doubt that not only could fertilization still take place outside the uterus, but that non-parthogenic cell division could still be induced in vitro at least as far as the morula stage.