abranchial
/ə'bræɳkiəl/ Cách viết khác : (abranchiate) /ə'bræɳkiit/
Học thuậtThân thiện
Definition
- Adjective:
- Having no gills: Describes an animal that lacks gills, the respiratory organs used for breathing in water.
Usage
- The word "abranchial" is a specialized biological term. It is used to classify or describe animals, particularly within zoology, that do not possess gills.
- It is typically used in scientific writing, taxonomic descriptions, and academic contexts rather than everyday conversation.
Examples
- Adjective:
- Certain terrestrial worms are abranchial and breathe through their skin.
- The study focused on the respiratory systems of abranchial mollusks.
Advanced Usage
- The term is often used in contrast to "branchiate" (having gills) to highlight a key anatomical difference in evolutionary or comparative biology.
- The adaptation from a branchiate to an abranchial state was crucial for the colonization of land.
Variants and Related Words
- Abranchiate (adj): An alternative form with the same meaning ("having no gills").
- The abranchiate condition is common in many air-breathing arthropods.
Synonyms
- Agamous (in a specific biological context, though less common)
- Without gills (descriptive phrase)
Antonyms
- Branchiate (adj): Having gills.
- Gilled (adj): Possessing gills.