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  Encyclopedia of Keywords > Society > Humans > Morula   Michael Charnine

Keywords and Sections
MORULA
BLASTOCYST
BLASTOMERES
CALLED
METAPHASE
MORULA STAGE
LETHAL
DICTIONARY
INAPPROPRIATELY
BALL
DIVIDING
Review of Short Phrases and Links

    This Review contains major "Morula"- related terms, short phrases and links grouped together in the form of Encyclopedia article.

Definitions

  1. The morula is an early stage in the development of an embryo.
  2. The morula is a disk of cells that lies on top of the yolk.
  3. Morula is a stage of embryonic development in animals, including the 16-cell phase, the 32-cell phase, and the 64-cell phase.
  4. The morula is a solid ball; after the 64-cell phase, it develops into a hollow ball, the blastula.
  5. Morula is a solid ball of cells and looks like a mulberry.

Morula

  1. The blastula follows the morula and precedes the gastrula in the development sequence.
  2. The morula is produced by embryonic cleavage , the rapid cell division of the zygote with virtually no growth.
  3. The morula is produced by embryo nic cleavage, the rapid cell division of the zygote.
  4. A morula (Latin "morus", mulberry) is an embryo at an early stage of embryo nic development, consisting of approximately 4-16 cells (called blastomeres).

Blastocyst

  1. Still, in both statements, everything that comes before the blastocyst (e.g., the zygote and the morula) could be fair game.
  2. Cloned embryos were collected at the morula (data shown in Table 4) or blastocyst stage (Figs.

Blastomeres

  1. A unique cellular identity of the blastomeres is maintained until compaction of the morula.
  2. When the morula enters the uterus, fluid starts to accumulate between its blastomeres.

Called

  1. In vitro fertilization IVF images of compacting morula on day 4.
  2. In the initial stage of development, the blastomeres adhere to each other in a mass called a morula.
  3. Sutherland, A. E., Speed, T. P. and Calarco, P. G. 1990. Inner cell allocation in the mouse morula: The role of oriented division during fourth cleavage.
  4. After fertilization and fusion of the sperm and egg pronuclei, the egg divides several times into a mass of cells called a morula.

Metaphase

  1. Embryonic S-M cycles and the archetypal (G1-S-G2-M) cell cycle are both arrested in metaphase in different morula mutants.
  2. Reed, B. H. and Orr-Weaver, T. L. (1997). The Drosophila gene morula inhibits mitotic functions in the endo cell cycle and the mitotic cell cycle.
  3. Thus, in eggs from morula mutant mothers, only a few divisions appear to occur followed by metaphase arrest (Reed, 1997).
  4. Anaphase figures are never observed in the lethal morula combinations, thus the primary arrest point appears to be metaphase.

Morula Stage

  1. After compactation, the embryo is in the morula stage (16 cells).
  2. Often zona pellucida remains intact around the morula.
  3. Figure 2 The normal morula is a well organized tightly formed body.
  4. The morula stage is usually likened to a spherical raspberry, a cluster of blastomeres without a cavity.
  5. Cavitation ocurrs next, where the outermost layer of cells - the trophoblast - secrete water into the morula.

Lethal

  1. The lethal morula larvae often die as small third instar larvae.
  2. Three lethal alleles were recovered that fail to complement morula, here referred to as mr 3, mr 4 and mr 5.

Dictionary

  1. Information about morula in Free online English dictionary.
  2. Definition of morula in the Medical Dictionary.

Inappropriately

  1. In strong, larval lethal alleles of morula, the polytene ring gland cells also inappropriately regress into mitosis and form spindles.
  2. Consistent with this, we found cyclin B protein to be inappropriately present in morula mutant nurse cells.

Ball

  1. Meanwhile it divides several times to form a ball of cells called a morula.
  2. Ans14. Morula is a solid ball of cells and looks like a mulberry.
  3. Repeated mitotic divisions produces a solid ball of cells called a morula.

Dividing

  1. After cleavage, the dividing cells, or morula, becomes a hollow ball, or blastula, which develops a hole or pore at one end.
  2. In addition to its role in the endo cycle, morula function is necessary for dividing cells to exit mitosis.

Categories

  1. Encyclopedia of Keywords > Society > Humans
  2. Glossaries > Glossary of Developmental Biology /
  3. Books about "Morula" in Amazon.com

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  Short phrases about "Morula"
  Originally created: February 19, 2008.
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