Neurological⭐⭐⭐ Very Common
Seizure
/SEE-zher/Simple Meaning:
Sudden, uncontrolled electrical activity in the brain.
Transient neurological signs resulting from abnormal excessive paroxysmal neuronal discharges in cerebral cortex.
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 10 Medical Terms (Letter "S")Reset Filters
Respiratory⭐⭐⭐ Very Common
Shortness of Breath
/SHORT-nis ov breth/Simple Meaning:
Difficulty or discomfort breathing (Dyspnea).
Subjective feeling of inadequate air intake requiring conscious respiratory effort.
ENT⭐⭐⭐ Very Common
Sore Throat
/sor throht/Simple Meaning:
Pain, scratchiness, or irritation in the throat.
Pharyngeal discomfort triggered by viral upper respiratory tract infection or bacterial tonsillitis.
Musculoskeletal⭐⭐⭐ Very Common
Soreness
/SOR-nis/Simple Meaning:
Pain or discomfort, often following activity.
Localized muscular stiffness or tenderness resulting from physical exertion or micro-trauma.
Respiratory⭐⭐⭐ Very Common
Sputum
/SPYOO-tuhm/Simple Meaning:
Mucus or phlegm coughed up from lower airways.
Expectorated matter containing bronchial mucus, cellular debris, and microorganisms.
Neurological⭐⭐ Common
Stabbing Pain
/STAB-ing payn/Simple Meaning:
Very sharp, intense, piercing pain.
Paroxysmal lancinating pain characteristic of neuralgia or visceral perforation.
Musculoskeletal⭐⭐⭐ Very Common
Stiffness
/STIF-nis/Simple Meaning:
Difficulty moving a joint or muscle normally.
Reduced joint range of motion and tissue resistance, common in morning osteoarthritis.
Emergency⭐⭐ Common
Stridor
/STRY-dor/Simple Meaning:
Harsh, high-pitched breathing sound on inspiration.
High-pitched monophonic sound caused by turbulent airflow through a narrowed extrathoracic upper airway.
General Medical⭐⭐⭐ Very Common
Swelling
/SWEL-ing/Simple Meaning:
Enlargement caused by fluid accumulation or tissue inflammation.
Visible or palpable volume expansion of body tissue caused by edema or localized inflammatory response.
Cardiovascular⭐⭐ Common
Syncope
/SIN-kuh-pee/Simple Meaning:
Temporary loss of consciousness (fainting).
Transient loss of consciousness and postural tone with spontaneous recovery, caused by global cerebral hypoperfusion.
This information is educational only and does not replace professional medical advice.