One of the mysteries of the English language finally explained.
A solid ball of cells resulting from division of a fertilized ovum, and from which a blastula is formed.
- ‘A human embryo is any whole, living member of the species homo sapiens in the embryonic stage, which includes the stages of zygote, morula, and blastocyst.’
- ‘The cells of the morula continue to divide by mitosis, and the morula passes down into the uterus.’
- ‘That means that parents who are doing IVF could conceivably agree to have a cell removed from their morula, which could then give rise to a line of stem cells, while the morula developed into an embryo ready for implanting.’
- ‘Mammalian ova lack any overt asymmetries, and their early cleavages are simple and equal, producing a clump of cells called a morula with no discernible up, down, left, right, back, or front.’
- ‘Would an all-wise, all-knowing creator endow a morula of some twenty-four to ninety-six cells with a soul before it gets safely implanted in a loving mother's womb?’
Mid 19th century: modern Latin, diminutive of Latin morum ‘mulberry’.
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