Definition of Morula

1. Noun. A solid mass of blastomeres that forms when the zygote splits; develops into the blastula.

Generic synonyms: Conceptus, Embryo, Fertilized Egg



Definition of Morula

1. n. 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 sphere, and blastosphere. See Segmentation.

Definition of Morula

1. Noun. (biology) A spherical mass of blastomeres that forms following the splitting of a zygote; it becomes the blastula. ¹

¹ Source: wiktionary.com

Definition of Morula

1. an embryonic mass of cells [n -LAE or -LAS] : MORULAR [adj]

Medical Definition of Morula

1. Stage of development in holoblastic embryos. The morula stage is usually likened to a spherical raspberry, a cluster of blastomeres without a cavity. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Morula Pictures

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Lexicographical Neighbors of Morula

mortises
mortising
mortling
mortlings
mortmain
mortmains
mortmal
mortpay
mortpays
morts
mortsafe
mortsafes
mortuaries
mortuary
mortuary practice
morula (current term)
morulae
morular
morulas
morulation
morulations
moruloid
morus
morwe
morwening
morwenings
morwes
morwong
morwongs

Literary usage of Morula

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Early Embryology of the Chick by Bradley Merrill Patten (1920)
"The morula Stage.—It should by no means be inferred that cell division ceases ... This is known as a morula from its resemblance to the mulberry fruit which ..."

2. The Evolution of Man; a Popular Exposition of the Principal Points of Human by Ernst Heinrich Philipp August Haecker (1886)
"... we need only continue to trace the ontogenetic modification of the Amphioxus-morula in the next stages. The first thing noticed is that a watery fluid ..."

3. The Evolution of Man: A Popular Exposition of the Principal Points of Human by Ernst Heinrich Philipp August Haeckel (1879)
"Third Ancestral Stage : Syn-Amoeba, Ontogenetically reproduced in the morula.—A Community of Homogeneous Amoeboid Cells. ..."

4. The Story of Creation: A Plain Account of Evolution by Edward Clodd (1888)
"The cells divide 1 in definite order into two, then into four, eight, sixteen, and so on, clustering together in a FIG. 66.—Stages of Cell division. morula, ..."

5. A Manual of the Infusoria: Including a Description of All Known Flagellate by William Saville Kent (1880)
"Such a morula is, however, not limited to the Metazoa. As demonstrated in the chapter devoted ... In no point can the segmented cell-mass or morula of the ..."

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