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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 9 Medical Terms (Letter "C")Reset Filters
Systemic⭐⭐⭐ Very Common

Chills

/chilz/
Simple Meaning:

Feeling cold, often accompanied by shivering.

Involuntary muscle contractions generating heat in response to pyrogen-induced hypothalamic temperature set-point elevation.

General Medical⭐⭐⭐ Very Common

Chronic

/KRON-ik/
Simple Meaning:

Persistent or long-lasting medical condition.

Illness persisting for longer than 3 months, requiring ongoing medical management (e.g. Hypertension, Diabetes).

Cardiovascular⭐⭐⭐ Very Common

Chest Pain

/chest payn/
Simple Meaning:

Pain or discomfort in the chest area.

High-acuity clinical symptom originating from cardiac ischemia, pericarditis, aortic dissection, pulmonary embolism, or esophageal spasm.

Clinical Example: "Anginal chest pain often radiates to the left arm or jaw."
Respiratory⭐⭐⭐ Very Common

Chest Tightness

/chest TYTE-nis/
Simple Meaning:

Feeling of pressure or constriction across the chest.

Sensation of heaviness associated with bronchospasm in asthma, acute myocardial ischemia, or panic anxiety attacks.

Neurological⭐⭐⭐ Very Common

Confusion

/kuhn-FYOO-zhuhn/
Simple Meaning:

Difficulty thinking clearly or understanding.

Impaired cognitive processing characterized by disorientation, poor memory recall, and inability to maintain coherent thought.

Respiratory⭐⭐⭐ Very Common

Congestion

/kuhn-JES-chuhn/
Simple Meaning:

Blockage or fullness caused by mucus or swollen blood vessels.

Hyperemia and excessive fluid secretion in mucosal membranes of upper or lower respiratory tracts.

Gastrointestinal⭐⭐⭐ Very Common

Constipation

/kon-stih-PAY-shuhn/
Simple Meaning:

Infrequent or difficult bowel movements.

Gastrointestinal symptom characterized by fewer than 3 bowel movements per week, hard dry stools, and straining.

Respiratory⭐⭐⭐ Very Common

Cough

/kof/
Simple Meaning:

Forceful expulsion of air from the lungs.

Protective reflex clearing respiratory airways of secretions, irritants, foreign particles, and microbes.

Respiratory⭐⭐⭐ Very Common

Cyanosis

/sye-uh-NOH-sis/
Simple Meaning:

Bluish discoloration of skin or lips.

Clinical sign indicating dark desaturated hemoglobin (> 5 g/dL) in cutaneous blood capillaries due to severe hypoxia.

This information is educational only and does not replace professional medical advice.