Definition

1. Noun:
   • A sporangium containing four asexual spores: A tetrasporangium is a specialized structure in certain algae and plants where four non-motile, asexual spores (tetraspores) are produced through meiosis.

Usage Examples

• Noun:
  • The red alga's life cycle includes a phase where a tetrasporangium develops on the tetrasporophyte.
  • Under the microscope, you can observe the four tetraspores within each mature tetrasporangium.

Advanced Usage

• In botanical descriptions, the plural form tetrasporangia is commonly used.
  • The surface of the thallus was covered in numerous tetrasporangia.

Variants and Related Words

• Tetraspore (noun): Any of the four asexual spores produced within a tetrasporangium.
  • Each tetraspore is released from the tetrasporangium to grow into a new gametophyte.
• Tetrasporophyte (noun): The diploid phase in some algae that produces tetrasporangia.
  • The tetrasporangium is borne on the tetrasporophyte generation.

Synonyms

• Sporangium: A more general term for any spore-producing structure.
• Spore case: A less technical synonym for sporangium.

Related Terms (Conceptual)

• Meiosis: The type of cell division that occurs within a to produce the four haploid spores.
• Asexual reproduction: The is involved in a form of asexual reproduction in the alternation of generations.

Noun

1. a sporangium containing four asexual spores