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Body Weights and Measures
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D001837 |
[Measurements of the height, weight, length, area, etc., of the human and animal body or its parts.
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Body-Weight Trajectory
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D000077962 |
[A general pattern of body weight gain or loss over many years. Weight change trajectory is influenced by several determinants in children and adults.
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Boehmeria
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D032402 |
[A plant genus of the family URTICACEAE. Members contain cryptopleurine, beta-sitosterol, daucosterol and 19 alpha-hydroxyursolic acid.
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Boidae
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D017821 |
[A family of snakes comprising the boas, anacondas, and pythons. They occupy a variety of habitats through the tropics and subtropics and are arboreal, aquatic or fossorial (burrowing). Some are oviparous, others ovoviviparous. Contrary to popular opinion, they do not crush the bones of their victims: their coils exert enough pressure to stop a prey's breathing, thus suffocating it. There are five subfamilies: Boinae, Bolyerinae, Erycinae, Pythoninae, and Tropidophiinae. (Goin, Goin, and Zug, Introduction to Herpetology, 3d ed, p315-320)
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Bolivia
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D001838 |
[A country in central South America, located southwest of Brazil.
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Bombacaceae
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D035161 |
[A plant family of the order Malvales, subclass Dilleniidae, class Magnoliopsida of tropical trees.
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Bombax
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D035163 |
[A plant genus of the family BOMBACACEAE. The fine silky hairs covering the seeds have been used like kapok (CEIBA) for floatation, stuffing, and insulation.
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Bombesin
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D001839 |
[A tetradecapeptide originally obtained from the skins of toads Bombina bombina and B. variegata. It is also an endogenous neurotransmitter in many animals including mammals. Bombesin affects vascular and other smooth muscle, gastric secretion, and renal circulation and function.
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Bombs
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D054042 |
[A weapon designed to explode when deployed. It frequently refers to a hollow case filled with EXPLOSIVE AGENTS.
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Bombyx
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D012831 |
[A genus of silkworm MOTHS in the family Bombycidae of the order LEPIDOPTERA. The family contains a single species, Bombyx mori from the Greek for silkworm + mulberry tree (on which it feeds). A native of Asia, it is sometimes reared in this country. It has long been raised for its SILK and after centuries of domestication it probably does not exist in nature. It is used extensively in experimental GENETICS. (From Borror et al., An Introduction to the Study of Insects, 4th ed, p519)
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Bonamia Plant
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D041601 |
[A plant genus of the family CONVOLVULACEAE. Members contain bonaspectins (tetrahydrofuran-type sesqui-lignans).
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Bone Anteversion
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D060750 |
[Malalignment of a bone in which its head and neck is rotated excessively forward or inward.
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Bone Banks
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D018586 |
[Centers for acquiring, characterizing, and storing bones or bone tissue for future use.
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Bone Cements
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D001843 |
[Adhesives used to fix prosthetic devices to bones and to cement bone to bone in difficult fractures. Synthetic resins are commonly used as cements. A mixture of monocalcium phosphate, monohydrate, alpha-tricalcium phosphate, and calcium carbonate with a sodium phosphate solution is also a useful bone paste.
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Bone Conduction
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D001844 |
[Transmission of sound waves through vibration of bones in the SKULL to the inner ear (COCHLEA). By using bone conduction stimulation and by bypassing any OUTER EAR or MIDDLE EAR abnormalities, hearing thresholds of the cochlea can be determined. Bone conduction hearing differs from normal hearing which is based on air conduction stimulation via the EAR CANAL and the TYMPANIC MEMBRANE.
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Bone Cysts
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D001845 |
[Benign unilocular lytic areas in the proximal end of a long bone with well defined and narrow endosteal margins. The cysts contain fluid and the cyst walls may contain some giant cells. Bone cysts usually occur in males between the ages 3-15 years.
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Bone Cysts, Aneurysmal
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D017824 |
[Fibrous blood-filled cyst in the bone. Although benign it can be destructive causing deformity and fractures.
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Bone Demineralization Technique
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D018775 |
[Removal of mineral constituents or salts from bone or bone tissue. Demineralization is used as a method of studying bone strength and bone chemistry.
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Bone Demineralization, Pathologic
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D018488 |
[Decrease, loss, or removal of the mineral constituents of bones. Temporary loss of bone mineral content is especially associated with space flight, weightlessness, and extended immobilization. OSTEOPOROSIS is permanent, includes reduction of total bone mass, and is associated with increased rate of fractures. CALCIFICATION, PHYSIOLOGIC is the process of bone remineralizing. (From Dorland, 27th ed; Stedman, 25th ed; Nicogossian, Space Physiology and Medicine, 2d ed, pp327-33)
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Bone Density
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D015519 |
[The amount of mineral per square centimeter of BONE. This is the definition used in clinical practice. Actual bone density would be expressed in grams per milliliter. It is most frequently measured by X-RAY ABSORPTIOMETRY or TOMOGRAPHY, X RAY COMPUTED. Bone density is an important predictor for OSTEOPOROSIS.
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