Comparative pathology in bivalves: Aetiological agents and disease processes

Area of Science:

• Comparative Pathology
• Invertebrate Pathology
• Bivalve Molluscan Disease

Background:

• Comparative pathology examines animal diseases, focusing on aetiology, pathogenesis, and prognosis.
• Cellular and tissue responses include regressive changes, host defense mechanisms, and progressive changes.
• Invertebrate pathology suffers from variable terminology, hindering clear scientific communication.

Purpose of the Study:

• To provide an overview of the pathological basis of bivalve disease.
• To standardize terminology for bivalve molluscan disease.
• To contextualize bivalve pathology within the broader field of comparative pathology.

Main Methods:

• Review of existing literature on bivalve pathology.
• Analysis of pathological phenomena: defensive, regressive, and progressive changes.
• Comparative analysis of terminology and definitions in invertebrate pathology.

Main Results:

• Identified key pathological responses in bivalves: defense, regression, and progression.
• Highlighted significant inconsistencies in current bivalve disease terminology.
• Established a framework for understanding bivalve pathological processes.

Conclusions:

• Standardized terminology is crucial for advancing bivalve disease research and comparative pathology.
• A clear understanding of pathological phenomena provides a foundation for diagnosing and managing bivalve diseases.
• This work contributes to improved scientific communication in invertebrate pathology.