Definition

1. Noun (Taxonomic Rank): An order within the class Conoidasida of parasitic protozoans. These organisms are characterized as cyst-forming coccidia that primarily infect the muscle tissue of vertebrates, including mammals, birds, and reptiles. Historically, their life cycles and taxonomy were poorly understood.

Usage Examples

• Noun:
  • The veterinarian identified the infection as belonging to the order Sarcosporidia.
  • Research into the order Sarcosporidia has been complicated by the difficulty in culturing these parasites.
  • Members of the order Sarcosporidia are known to cause sarcocystosis in their hosts.

Advanced Usage

• In Taxonomic Context: The term is used in formal biological classification. It is often capitalized ("order Sarcosporidia") when referring to it as a specific taxonomic rank, though modern revisions may place these organisms within the order Eucoccidiorida.
  • The phylogenetic study aimed to clarify the position of the order Sarcosporidia within the Apicomplexa.

Variants and Related Words

• Sarcocystis (n): The most common and well-studied genus within this group, responsible for sarcocystosis.
  • Sarcocystis hominis is a species that can infect humans.
• Sarcocyst (n): The cyst stage of the parasite found in muscle tissue.
  • The pathologist observed numerous sarcocysts in the tissue sample.
• Sarcosporidiosis/Sarcocystosis (n): The disease condition caused by infection with these parasites.
  • The clinical signs of sarcocystosis can range from mild to severe.

Synonyms

• Sarcosporidian parasites (n): A descriptive synonym referring to the organisms themselves.
  • The muscle biopsy revealed the presence of sarcosporidian parasites.

Related Terms (Not Synonyms)

• Coccidia (n): The larger subclass (Coccidiasina) to which these parasites belong.
• Apicomplexa (n): The phylum containing all related parasitic protozoans, including (malaria) and .

Noun

1. imperfectly known parasites of the muscles of vertebrates