Blastoma
Blastoma: A tumor thought to arise in embryonic tissue. This term is commonly used as part of the name for a tumor, as in glioblastoma and medulloblastoma (types of brain tumors), hepatoblastoma (a liver tumor), nephroblastoma (a Wilms tumor of the kidney), neuroblastoma (a childhood tumor of neural origin), osteoblastoma (a bone tumor), and retinoblastoma (a tumor of the retina in the eye).
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- Blastomycosis
Blastomycosis: Infection with a fungus called Blastomyces dermatitidis. The infection causes symptoms in about 50% of cases. It usually presents as a flu-like illness with fever, chills, productive cough, myalgia, arthralgia and pleuritic chest pain. Some patients fail to recover and develop chronic pulmonary infection or widespread disseminated infection (affecting the skin, bones, and genitourinary […]
- Blasts
Blasts: Immature blood cells. Leukemic blasts do not grow and age normally; they proliferate wildly and fail to mature.
- Bleb
Bleb: A bladder-like structure more than 5 mm in diameter with thin walls that may be full of fluid. Also called a bulla.
- Blepharitis
rosacea and seborrheic dermatitis.
- Blepharophimosis
Blepharophimosis: Horizontal narrowing of the palpebral fissures (eye slits).