Systemic⭐⭐⭐ Very Common
Malaise
/muh-LAYZ/Simple Meaning:
General feeling of being unwell, weak, or sick.
Non-specific systemic symptom of feeling unwell, often heralding the onset of viral or bacterial infection.
Clinical & Layman Language Dictionary (Deduplicated A–Z)
Medical Terms & Simple Meanings A–Z
Search over 153+ verified medical terms. Clear layman definitions, clinical explanations, frequency ratings (⭐⭐⭐ Very Common), pronunciations, and body system tags.
Showing 6 Medical Terms (Letter "M")Reset Filters
General Medical⭐⭐ Common
Malignant
/muh-LIG-nuhnt/Simple Meaning:
Cancerous and capable of invading nearby tissues.
Refers to neoplasms displaying cellular atypia, uncontrolled growth, local tissue invasion, and capacity for distant metastasis.
General Medical⭐⭐ Common
Mass
/mas/Simple Meaning:
Abnormal lump or collection of tissue.
Volumetric tissue expansion detected during physical examination or diagnostic CT/MRI radiology.
Neurological⭐⭐⭐ Very Common
Migraine
/MY-grayn/Simple Meaning:
Recurrent severe headache attacks often with nausea.
Neurovascular headache disorder characterized by unilateral pulsating pain, photophobia, phonophobia, and nausea.
Respiratory⭐⭐⭐ Very Common
Mucus
/MYOO-kus/Simple Meaning:
Slippery protective liquid produced by mucous membranes.
Viscous secretion containing mucins, immunoglobulins, and salts lining respiratory and gastrointestinal tracts.
Musculoskeletal⭐⭐⭐ Very Common
Muscle Pain
/MUS-uhl payn/Simple Meaning:
Pain or aching in muscles (Myalgia).
Musculoskeletal discomfort caused by strain, viral infection, electrolyte imbalance, or inflammatory myopathy.
This information is educational only and does not replace professional medical advice.