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(blăs″tō-mī′sēt) Any organism of the genus Blastomyces.
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(blas″tō-mī-kō′sĭs) [blasto- + mycosis] A rare fungal infection caused by inhalation of the conidia of Blastomyces dermatitidis. This infection may produce inflammatory lesions of the skin (cutaneous form) or lungs or a generalized invasion of the skin, lungs, bones, central nervous system, kidneys, liver, and spleen. SYN: North American b.
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TREATMENT: Treatment consists of amphotericin B, given intravenously, followed by oral itraconazole.
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North American b. Blastomycosis.
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South American b. Paracoccidioidomycosis.
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(blas′tŏ-por″) [blasto- + pore] In mammalian embryos, the small opening into the archenteron made by invagination of the blastula.
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(blăs′tō-spor) [″ + sporos, seed] A spore formed by budding from a hypha, as in yeast.
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(blas′chŭ-lă, blas′chŭ-lē″) pl. blastulae An early stage in the development of a zygote into an embryo, consisting of a hollow sphere of cells enclosing the blastocoel. SEE: blastocoel; zygote.
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(blă-tel′ă) [L. diminutive of blatta, any of several insects that shun light] A genus of cockroaches (family Blattidae). SEE: cockroach.
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B. germanica SEE: German cockroach.
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(blat′ă) [L. blatta, cockroach] A genus of cockroaches (family Blattidae). SEE: cockroach.
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B. orientalis SEE: oriental cockroach.
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A cyclic variation in vocal tone that resembles the ba-a-a-ah sound made by sheep.
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(blĕb) An irregularly shaped elevation of the epidermis; a blister or a bulla. Blebs may vary in size from less than 1 cm to as much as 5 to 10 cm; they may contain serous, seropurulent, or bloody fluid. Blebs are a primary skin lesion that may occur in many disorders, including dermatitis herpetiformis, pemphigus, and syphilis. SEE: bulla.
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(blēd′ĕr) [AS. bledan, to bleed] 1. A colloquial term for one whose ability to coagulate blood is either deficient or absent, so that small cuts and injuries lead to prolonged bleeding. SEE: hemophilia. 2. A colloquial term for a small artery that has been cut or torn.
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(blēd′ing) 1. The emission of blood, as from an injured vessel. 2. The process of emitting blood, as during hemorrhage or in the procedure of blood letting.
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Normally, when blood is exposed to air, it changes to allow fibrin to form. This entangles the cells and forms a blood clot. SEE: blood coagulation coagulation factor hemorrhage.
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abnormal uterine b. Dysfunctional uterine b.
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