| TM | technology management; tectorial membrane; temperature by mouth; temporalis muscle; temporomandibula... |
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| AD | 1) Alveolar Duct 2) Autosomal Dominant 3) Auris Dextra; Ri... |
| CBD | Common Bile Duct - Absolute Ix of CBD Exploration 1. Palp... |
| CHD | 1) Congenital Heart Disease 2) Common Hepatic Duct |
| MURCS Associations | MUllerian duct aplasia, Renal aplasia, Cervico-thoracic vertebral(Somite) dysplasia Associations |
| basal diet | A diet having a caloric value equal to the basal heat production and sufficient quanties of essential nutrients to meet basic needs, in experiments in nutrition, a diet from which a given constituent (e.g., a vitamin, mineral, or amino acid), the nutritional value of which is to be determined, is omitted for a period and the effects observed; the subject is observed for a second period during which the ingredient being studied is added to the diet. (05 Mar 2000) |
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| basal ganglia | <anatomy> Three large subcortical nuclei of the vertebrate brain: the putamen, the caudate nucleus and the globus pallidus. They participate in the control of movement along with the cerebellum, the corticospinal system and other descending motor systems. Lesions of the basal ganglia occur in a variety of motor disorders including Parkinson's disease and Huntingdon's chorea. (15 Nov 1997) |
| basal ganglia calcification | <radiology> Idiopathic: normal variant (50%), abnormal calcium metabolism, hyperparathyroidism, hypo-, pseudohypo-, and pseudo-pseudohypoparathyroidism, ToRCHS infection (especially CMV, toxo), tuberous sclerosis, Cockayne syndrome, Fahr syndrome (ferrocalcinosis), lipoid proteinosis (hyalinosis cutis) (12 Dec 1998) |
| basal gland | pituitary gland |
| basal granule | <cell biology> Structure found at the base of eukaryotic cilia and flagella consisting of a continuation of the nine outer sets of axonemal microtubules but with the addition of a C tubule to form a triplet (like the centriole). May be self replicating and serves as a nucleating centre for axonemal assembly. Anchored in the cytoplasm by rootlets. Synonymous with kinetosome. (18 Nov 1997) |
| basal joint reflex | Opposition and adduction of the thumb with flexion at its metacarpophalangeal joint and extension at its interphalangeal joint, when firm passive flexion of the third, fourth, or fifth finger is made; the reflex is present normally but is absent in pyramidal lesions. Synonym: finger-thumb reflex, Mayer's reflex. (05 Mar 2000) |
| basal lamina | <cell biology> Extracellular matrix characteristically found under epithelial cells. There are two distinct layers: the basal lamina, immediately adjacent to the cells, is a product of the epithelial cells themselves and contains collagen type IV and the reticular lamina is produced by fibroblasts of the underlying connective tissue and contains fibrillar collagen. (15 Nov 1997) |
| basal lamina of choroid | The transparent, nearly structureless inner layer of the choroid in contact with the pigmented layer of the retina. Synonym: basal lamina of choroid, basal layer of choroid, Bruch's membrane, Henle's membrane, lamina vitrea, vitreous lamella, vitreous membrane. (05 Mar 2000) |
| basal lamina of ciliary body | The inner layer of the ciliary body, continuous with the basal layer of the choroid and supporting the pigment epithelium of the ciliary retina. Synonym: lamina basalis corporis ciliaris, basal layer of ciliary body. (05 Mar 2000) |
| basal lamina of cochlear | A thin layer of tissue covered with mesothelial cells that separates the cochlea from the scala tympani in the ear. (18 Nov 1997) |
| basal lamina of neural tube | The ventral division of the lateral walls of the neural tube in the embryo; it contains neuroblasts giving rise to somatic and visceral motor neurons. Synonym: lamina basalis, basal plate of neural tube, lamina ventralis, ventral plate of neural tube. (05 Mar 2000) |
| basal layer | The outermost layer of the endometrium which undergoes only minimal changes during the menstrual cycle. Synonym: basal layer. Synonym: stratum basale epidermidis. (05 Mar 2000) |
| basal layer of choroid | The transparent, nearly structureless inner layer of the choroid in contact with the pigmented layer of the retina. Synonym: basal lamina of choroid, basal layer of choroid, Bruch's membrane, Henle's membrane, lamina vitrea, vitreous lamella, vitreous membrane. (05 Mar 2000) |
| basal layer of ciliary body | The inner layer of the ciliary body, continuous with the basal layer of the choroid and supporting the pigment epithelium of the ciliary retina. Synonym: lamina basalis corporis ciliaris, basal layer of ciliary body. (05 Mar 2000) |
| basal medium | <cell culture> An unsupplemented medium which promotes the growth of many types of microorganisms which do not require any special nutrient supplements. (15 Nov 1997) |