gregarine
Học thuậtThân thiện
Definition
Noun: 1. A type of parasitic, worm-like protozoan belonging to the order Gregarinida, typically found in the digestive tracts and body cavities of insects and other invertebrates.
Usage and Examples
- Noun:
- The scientist studied the gregarine under a microscope to understand its life cycle.
- Infection by a gregarine can sometimes weaken the host insect.
- Gregarines are common parasites in invertebrates like earthworms and beetles.
Advanced Usage
- Scientific Context: In parasitology and invertebrate biology, "gregarine" is a precise taxonomic term. It is often used in discussions of host-parasite interactions, life cycles, and invertebrate pathology.
- The research paper detailed the prevalence of different gregarine species in local cricket populations.
Variants and Related Words
- Gregarinida (n): The taxonomic order to which gregarines belong.
- Gregarinosis (n): A disease condition caused by infection with gregarines.
Synonyms
- Protozoan parasite: A general term for single-celled parasitic organisms, which includes gregarines.
- Sporozoan: A former class of parasitic protozoans that included gregarines; still used in some broader contexts.
Notes on Meaning
- The term is highly specific to zoology and parasitology. It refers not to a single species but to a large group of related organisms characterized by their parasitic lifestyle in invertebrates and their vermiform (worm-like) shape during certain life stages.
Noun
- vermiform protozoans parasitic in insects and other invertebrates