1. Plural of fibrinoid; a protein substance resembling fibrin that forms in tissues during certain pathological conditions, particularly in blood vessel walls and connective tissue.
Usage: medical/pathology term; typically used in clinical and research contexts

Examples

• The pathologist identified fibrinoids in the damaged blood vessel walls during the autopsy.
• Fibrinoids accumulate in tissues affected by vasculitis and other inflammatory diseases.
• Under the microscope, fibrinoids appear as homogeneous, eosinophilic deposits.
• The presence of fibrinoids indicates severe tissue injury and immune-mediated damage.
• Fibrinoids are commonly observed in autoimmune conditions such as lupus.