| BL | Barre-Lieou [syndrome]; basal lamina; baseline; Bessey-Lowry [unit]; black light; bladder; bleeding;... |
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| BM | Bachelor of Medicine; barium meal; basal medium; basal metabolism; basement membrane; basilar membra... |
| BMA | bone marrow arrest; British Medical Association |
| BMAP | bone marrow acid phosphatase |
| BMB | biomedical belt; bone marrow biopsy |
| cyst, baker's | A swelling in the space behind the knee (the popliteal space) composed of a membrane-lined sac filled with synovial fluid that has escaped from the joint. Named after the British surgeon William Morrant Baker (1839-1896). Also called a synovial cyst of the popliteal space. (12 Dec 1998) |
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| cyst, meibomian | Also called a chalazian or a tarsal cyst, an inflammation of the oil gland of the eyelid. (12 Dec 1998) |
| cyst, pilonidal | A special kind of abscess that occurs in the cleft between the buttocks. Forms frequently in adolescence after long trips that involve sitting. (12 Dec 1998) |
| cyst, sebaceous | A sebaceous cyst is a rounded swollen area of the skin formed by an abnormal sac of retained excretion (sebum) from the sebaceous follicles. (12 Dec 1998) |
| cyst, synovial, of the popliteal space | A swelling in the space behind the knee (the popliteal space). The swelling is composed of a membrane-lined sac filled with synovial fluid that has escaped from the joint. Commonly called Baker's cyst. (12 Dec 1998) |
| cyst, tarsal | Also called a chalazian or a Meibomian cyst, an inflammation of the oil gland of the eyelid. (12 Dec 1998) |
| cyst thyroglossal | A thyroglossal cyst is a fluid-filled sac present at birth and located in the midline of the neck. A thyroglossal cyst is a result of incomplete closure of a segent of a tube-like structure (the thyroglossal duct) that is present, and normally closes, as the embryo develops. A thyroglossal cyst is also called a thyrolingual cyst. (12 Dec 1998) |
| cyst, thyrolingual | A thyrolingual cyst is a fluid-filled sac that is present at birth and located in the midline of the neck. A thyrolingual cyst is a result of incomplete closure of a segent of a tube-like structure (the thyrolingual duct) that is present, and normally closes, as the embryo develops. A thyrolingual cyst is also called a thyroglossal cyst. (12 Dec 1998) |
| primordial cyst | A cyst which develops in place of a tooth through cystic degeneration of the enamel organ prior to formation of calcified odontogenic tissue. (05 Mar 2000) |
| sanguineous cyst | A cyst containing blood or resulting from the encapsulation of a haematoma. Synonym: blood cyst, haematocele, haematocyst, sanguineous cyst. (05 Mar 2000) |
| proliferating tricholemmal cyst | A solitary tumour of the scalp in elderly women that may ulcerate; microscopically resembles squamous cell carcinoma composed of glycogen-rich clear cells, but is benign. Synonym: proliferating tricholemmal cyst. (05 Mar 2000) |
| proliferation cyst | A mother cyst containing daughter cyst's; a cyst with tumourous formation at one portion of the sac. (05 Mar 2000) |
| protozoan cyst | Infectious form of many protozoan parasites such as Entamoeba histolytica, Giardia lamblia, Balantidium coli, etc., usually passed in the faeces and provided with a highly condensed cytoplasm and resistant cell wall. (05 Mar 2000) |
| heterotrophic oral gastrointestinal cyst | A cyst of the oral cavity lined by gastric or intestinal mucosa from misplaced embryonic rests. (05 Mar 2000) |
| pseudomucinous cyst | A cyst containing a gelatinous fluid, formerly thought to differ significantly from mucin, occurring especially in the ovary. (05 Mar 2000) |