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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 12 Medical Terms (Letter "B")Reset Filters
Musculoskeletal⭐⭐⭐ Very Common

Back Pain

/bak payn/
Simple Meaning:

Pain or soreness affecting the spine or back muscles.

Discomfort originating from spinal vertebrae, intervertebral discs, ligaments, or paraspinal musculature.

Gastrointestinal⭐⭐⭐ Very Common

Belching

/BEL-ching/
Simple Meaning:

Release of swallowed gas or air from the stomach.

Retrograde expulsion of swallowed air (aerophagia) from the stomach through the esophagus (Eructation).

General Medical⭐⭐ Common

Benign

/bih-NYNE/
Simple Meaning:

Not cancerous or harmful.

Refers to a neoplasm or condition that does not metastasize, invade local tissues, or pose a malignant threat.

General Medical⭐⭐ Common

Bilateral

/bye-LAT-er-uhl/
Simple Meaning:

Affecting both sides of the body.

Anatomical designation indicating symmetry or involvement of both left and right paired structures (e.g. bilateral lung crackles).

Hematology⭐⭐ Common

Bilirubin

/bil-ih-ROO-bin/
Simple Meaning:

Yellow pigment from broken down red blood cells.

Heme degradation product processed by the liver; elevated serum levels cause scleral icterus and cutaneous jaundice.

Dermatological⭐⭐ Common

Blanching

/BLAN-ching/
Simple Meaning:

Temporary skin whitening when pressed.

Transitory paleness produced by local capillary compression, used clinically to assess capillary refill time and rash types.

Dermatological⭐⭐⭐ Very Common

Blister

/BLIS-ter/
Simple Meaning:

Fluid-filled pocket under the top skin layer.

Vesicle or bulla containing serum, plasma, or pus formed between skin epidermal layers in response to friction or burn.

Gastrointestinal⭐⭐⭐ Very Common

Bloating

/BLOH-ting/
Simple Meaning:

Uncomfortable fullness or swelling in the belly.

Subjective feeling of abdominal tightness often associated with intestinal gas accumulation or delayed gastric emptying.

Neurological⭐⭐⭐ Very Common

Blurred Vision

/blurd VIZH-uhn/
Simple Meaning:

Reduced visual sharpness or clarity.

Decrease in visual acuity preventing clear focus, caused by refractive errors, cataracts, glaucoma, or retinopathy.

Musculoskeletal⭐⭐ Common

Bone Pain

/bohn payn/
Simple Meaning:

Pain felt inside or originating from bones.

Deep, aching skeletal pain caused by trauma, osteomyelitis, bone density loss, or metastatic lesions.

Gastrointestinal⭐ Less Common

Borborygmi

/bor-boh-RIG-mee/
Simple Meaning:

Rumbling sounds produced by intestinal movement.

Audible gurgling or splashing sounds caused by passage of gas and liquid through intestinal lumen during peristalsis.

Hematology⭐⭐⭐ Very Common

Bruise

/brooz/
Simple Meaning:

Skin discoloration caused by micro-bleeding under skin.

Contusion resulting from blunt force extravasation of red blood cells into subcutaneous tissue.

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