Definition

1. Noun:
   • The fluid-filled cavity inside a blastula: In embryology, the 'cleavage cavity' is the central, fluid-filled space that forms within a blastula, a very early stage of embryonic development.

Usage

• The term is used specifically in the fields of biology and embryology to describe a structure in early animal embryos.
• It is a technical, scientific term.

Examples

• Noun:
  • The formation of the cleavage cavity is a key event in early embryogenesis.
  • Researchers observed the expansion of the cleavage cavity under the microscope.

Advanced Usage

• The 'cleavage cavity' is also commonly known as the blastocoel. These terms are often used interchangeably in scientific literature.
  • The blastocoel, or cleavage cavity, provides space for cell migration during gastrulation.

Variants and Related Words

• Blastocoel (n): A synonym for cleavage cavity.
• Blastula (n): The early embryonic stage in which the cleavage cavity forms.
• Blastocyst (n): In mammalian development, a later stage that contains a fluid-filled cavity analogous to the cleavage cavity.

Synonyms

• Blastocoel: The primary synonym in scientific terminology.

Notes

• This is a compound noun. The word 'cleavage' refers to the cell divisions following fertilization, and 'cavity' refers to the hollow space. Together, they name a specific anatomical structure.

Noun

1. the fluid-filled cavity inside a blastula