| brachiocephalic trunk | The first and largest artery branching from the aortic arch. It distributes blood to the right side of the head and neck and to the right arm. (12 Dec 1998) |
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| brachiocephalic veins | Large veins on either side of the root of the neck formed by the junction of the internal jugular and subclavian veins. They drain blood from the head, neck, and upper extremities, and unite to form the superior vena cava. (12 Dec 1998) |
| brachiocrural | Relating to both arm and thigh. (05 Mar 2000) |
| brachiocubital | Relating to both arm and elbow or to both arm and forearm. (05 Mar 2000) |
| brachioganoidei | <zoology> An order of ganoid fishes of which the bichir of Africa is a living example. See Crossopterygii. Origin: NL, from L. Brachium (bracch-) arm + NL. Ganoidei. Source: Websters Dictionary (01 Mar 1998) |
| brachiogram | Tracing of the brachial artery pulse. (05 Mar 2000) |
| brachiopod | A phylum of invertebrate animals often grouped with two other phyla under the name Lophophorates. General characteristics include: a pair of protective shells (giving them a superficial resemblance to the bivalves - i.e. Clams), a stalk protruding from the rear called a pedicle which anchors the animal to the sea floor, and a lophophore (a ridge with many tiny tentacles on it, used to catch food particles floating by). Brachiopod shells come in many different shapes and sizes. Brachiopods were extremely abundant during the Paleozoic era (both in terms of numbers of individuals and numbers of species), but were practically wiped out around 300 million years ago during the Permian mass extinction.Compare gastropod (09 Oct 1997) |
| brachiopoda | <zoology> A class of Molluscoidea having a symmetrical bivalve shell, often attached by a fleshy peduncle. Within the shell is a pair of "arms," often long and spirally coiled, bearing rows of ciliated tentacles by which a current of water is made to flow into the mantle cavity, bringing the microscopic food to the mouth between the bases of the arms. The shell is both opened and closed by special muscles. They form two orders; Lyopoma, in which the shell is thin, and without a distinct hinge, as in Lingula; and Arthropoma, in which the firm calcareous shell has a regular hinge, as in Rhynchonella. See Arthropomata. Origin: NL, from Gr. Arm + -poda. Source: Websters Dictionary (01 Mar 1998) |
| brachioradial muscle | <anatomy, muscle> Origin, lateral supracondylar ridge of humerus; insertion, front of base of styloid process of radius; action, flexes elbow and assists slightly in supination; nerve supply, (common) radial. Synonym: musculus brachioradialis, brachioradial muscle. (05 Mar 2000) |
| brachioradial reflex | With the arm supinated to 45 |
| brachioradialis | <anatomy, muscle> Origin, lateral supracondylar ridge of humerus; insertion, front of base of styloid process of radius; action, flexes elbow and assists slightly in supination; nerve supply, (common) radial. Synonym: musculus brachioradialis, brachioradial muscle. (05 Mar 2000) |
| brachium | Origin: L. Brachium or bracchium, arm. <anatomy> The upper arm; the segment of the fore limb between the shoulder and the elbow. Source: Websters Dictionary (01 Mar 1998) |
| brachium colliculi inferioris | A fibre bundle passing from the inferior colliculus on either side of the brainstem along the lateral border of the superior colliculus to the posterior part of the thalamus where it enters the medial geniculate body. It forms part of the major ascending auditory pathway. Synonym: brachium colliculi inferioris, brachium quadrigeminum inferius, inferior quadrigeminal brachium. (05 Mar 2000) |
| brachium colliculi superioris | A band of fibres of the optic tract bypassing the lateral geniculate body to terminate in the superior colliculus and pretectal region. Synonym: brachium colliculi superioris, brachium quadrigeminum superius, superior quadrigeminal brachium. (05 Mar 2000) |
| brachium conjunctivum cerebelli | A large bundle of nerve fibres that originate from the dentate and interpositus nuclei and emerges from the cerebellum in the rostral direction, along the lateral wall of the fourth ventricle. The bundle submerges from the dorsal surface of the brainstem into the mesencephalic tegmentum, where all of its fibres cross in the massive decussation of the superior cerebellar peduncles. Part of the bundle terminates in the contralateral red nucleus; the bulk of the fibres continue rostrally to parts of the ventral intermediate nucleus of thalamus, ventral posterolateral nucleus of thalamus, and central lateral nucleus of thalamus. Synonym: pedunculus cerebellaris superior, brachium conjunctivum cerebelli. (05 Mar 2000) |
| bracken |
fern of southeastern Asia; not hardy in cold temperate regions large coarse fern often several feet high; essentially weed ferns; cosmopolitan
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| bract |
a modified leaf or leaflike part just below and protecting an inflorescence
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| brace |
a support that steadies or strengthens something else; "he wore a brace on his knee" couple: two items of the same kind pair: a set of two similar things considered as a unit either of two punctuation marks ({ or }) used to enclose textual material a rope on a square-rigged ship that is used to swing a yard about and secure it elastic straps that hold trousers up (usually used in the plural) prepare (oneself) for something unpleasant or difficult an appliance that corrects dental irregularities support or hold steady and make steadfast, with or as if with a brace; "brace your elbows while working on the potter's wheel" a carpenter's tool having a crank handle for turning and a socket to hold a bit for boring support by bracing a structural member used to stiffen a framework stimulate: cause to be alert and energetic; "Coffee and tea stimulate me"; "This herbal infusion doesn't stimulate"
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| brachial artery |
the main artery of the upper arm; a continuation of the axillary artery; bifurcates into the radial and ulnar arteries at the elbow
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| brachial plexus |
a network of nerves formed by cervical and thoracic spinal nerves and supplying the arm and parts of the shoulder
출처: wordnet.princeton.edu/perl/webwn
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| BRAC | of or relating to an arm |
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| BRAC | the main artery of the upper arm |
| BRAC | a network of nerves formed by cervical and thoracic spinal nerves and supplying the arm and parts of the shoulder |
| BRAC | two veins in either arm that accompany the brachial artery and empty into the axillary vein |
| BRAC | swing from one hold to the next, as of some arboreal apes and monkeys |
| BRAC | (zoology) having arms or armlike appendages |
| BRAC | (botany) having widely spreading paired branches |
| BRAC | swinging by the arms from branch to branch |
| BRAC | bombardier beetles |
| BRAC | veins formed by the union of the internal jugular and subclavian veins |
| BRAC | marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food |
| BRAC | of or belonging to the phylum Brachiopoda |