segmentation cavity
Học thuậtThân thiện
Definition
- Noun:
- The fluid-filled cavity inside a blastula: In embryology, the 'segmentation cavity' is the central, hollow space filled with fluid that forms within a blastula during the early stages of embryonic development.
Usage Examples
- Noun:
- The formation of the segmentation cavity is a key milestone in early embryogenesis.
- Biologists observed the expansion of the segmentation cavity under the microscope.
Advanced Usage
- Developmental Biology Context: The term is primarily used in technical descriptions of embryonic development. It is synonymous with the term blastocoel.
- The blastocoel, or segmentation cavity, provides space for cell migration during gastrulation.
Variants and Related Words
- Blastocoel (n): A direct synonym for 'segmentation cavity'.
- The blastocoel forms as the embryo undergoes cleavage.
- Blastula (n): The early embryonic stage in which the segmentation cavity is present.
- The blastula is characterized by a single layer of cells surrounding the segmentation cavity.
Synonyms
- Blastocoel: The fluid-filled cavity of a blastula.
Related Terms (Not Phrasal Verbs or Idioms)
- Cleavage (n): The series of cell divisions that leads to the formation of the blastula and its segmentation cavity.
- Gastrulation (n): The subsequent developmental stage where the blastula, with its segmentation cavity, reorganizes into a gastrula.
Noun
- the fluid-filled cavity inside a blastula