ruột khoang

Definition

1. Noun:
   • Coelenterate: A member of the phylum Cnidaria, a group of simple aquatic animals characterized by a sac-like body with a single central cavity (the coelenteron) that functions for digestion and circulation. Examples include jellyfish, corals, and sea anemones.

Usage Examples

• Noun:
  • San hô và sứa đều thuộc ngành ruột khoang. (Corals and jellyfish both belong to the phylum Coelenterata.)
  • Cấu tạo cơ thể của ruột khoang khá đơn giản. (The body structure of coelenterates is quite simple.)

Advanced Usage

• The term "ruột khoang" is primarily used in formal biological and zoological contexts. In modern scientific classification, the group is more precisely referred to as Cnidaria, though "ruột khoang" remains the common Vietnamese term.

Variants and Related Words

• Ngành Ruột khoang (n): The phylum Coelenterata/Cnidaria.
  • Ngành Ruột khoang có nhiều loài quan trọng trong hệ sinh thái biển. (The Coelenterate phylum has many species important to the marine ecosystem.)

Synonyms

• Cnidarian: The modern scientific term for an animal of the phylum Cnidaria.
• Coelenterate: The traditional term for the same group of animals.

Related Scientific Terms

• Tế bào gai (n): Cnidocyte; the stinging cell characteristic of this phylum.
  • Ruột khoang bắt mồi bằng tế bào gai. (Coelenterates catch prey using cnidocytes.)
• Xúc tu (n): Tentacle.
  • Ruột khoang thường có nhiều xúc tu. (Coelenterates often have many tentacles.)