Gastrointestinal⭐⭐⭐ Very Common
Indigestion
/in-dih-JES-chuhn/Simple Meaning:
Discomfort or burning in the upper stomach after eating.
Dyspeptic complex including postprandial fullness, early satiety, epigastric pain, and belching.
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 5 Medical Terms (Letter "I")Reset Filters
General Medical⭐⭐⭐ Very Common
Infection
/in-FEK-shuhn/Simple Meaning:
Invasion and growth of harmful germs in the body.
Pathological state resulting from invasion, colonization, and tissue injury caused by pathogenic bacteria, viruses, fungi, or parasites.
General Medical⭐⭐⭐ Very Common
Inflammation
/in-fluh-MAY-shuhn/Simple Meaning:
Body response causing redness, warmth, swelling, and pain.
Vascular and cellular immune cascade delivering leukocytes and plasma proteins to sites of infection or tissue trauma.
Neurological⭐⭐⭐ Very Common
Insomnia
/in-SOM-nee-uh/Simple Meaning:
Difficulty falling asleep or staying asleep.
Sleep disorder characterized by dissatisfaction with sleep quality or duration despite adequate opportunity for sleep.
Dermatological⭐⭐⭐ Very Common
Itching
/ICH-ing/Simple Meaning:
Uncomfortable skin sensation creating an urge to scratch.
Pruritus mediated by unmyelinated C-nerve fibers in response to histamine, serotonin, or bile salts.
This information is educational only and does not replace professional medical advice.