Embryonic Structure
morula Audio
mor·u·la [ mawr-oo-luh, -yoo- ]
Subclass of:
Embryonic Structures
Etymology:
Latin diminutive of morus = mulberry
The segmented ovum forms a solid mass of cells which resembles a mulberry.
Definitions related to morula (embryonic structure):
  • (morula) An early embryo that is a compact mass of about 16 BLASTOMERES. It resembles a cluster of mulberries with two types of cells, outer cells and inner cells. Morula is the stage before BLASTULA in non-mammalian animals or a BLASTOCYST in mammals.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (morula) An early stage in embryonic development, that occurs between the zygote and the blastocyst stage during the first week post fertilization, and is characterized by the formation of a solid mass of cells (blastomeres) with a "mulberry" appearance.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (morula) Developmental organism during compaction of blastomeres.
    Foundational Model of Anatomy
    University of Washington, 2017
  • Morula, solid mass of blastomeres resulting from a number of cleavages of a zygote, or fertilized egg. Its name derives from its resemblance to a mulberry (Latin: morum). A morula is usually produced in those species the eggs of which contain little yolk and, consequently, undergo complete...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2020
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