| RC | an electronic circuit containing a resistor and capacitor in series; radiocarpal; reaction center; r... |
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| REF | ejection fraction at rest; referred; refused; renal erythropoietic factor |
| REP | replication protein; rest-exercise program; retrograde pyelogram; roentgen equivalent-physical |
| REST | Raynaud's phenomenon, esophageal motor dysfunction, sclerodactyly, and telangiectasia [syndrome]; re... |
| RICE | rest, ice, compression, and elevation |
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| body of sphenoid bone | The central portion of the sphenoid bone from which the greater and lesser wings and the pterygoid processes arise. The sphenoidal sinuses lie within it. Synonym: corpus ossis sphenoidalis. (05 Mar 2000) |
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| body of sternum | The middle and largest portion of the sternum, lying between the manubrium superiorly and the xiphoid process inferiorly. Synonym: corpus sterni, gladiolus, mesosternum, midsternum. (05 Mar 2000) |
| body of stomach | The part of the stomach that lies between the fundus above and the pyloric antrum below; its boundaries are poorly defined. Synonym: corpus gastricum [ventriculi]. (05 Mar 2000) |
| body of sweat gland | The coiled tubular secretory portion of a sweat gland located in the subcutaneous tissue or deep in the corium and connected to the surface of the skin by a long duct. Synonym: corpus glandulae sudoriferae. (05 Mar 2000) |
| body of talus | The large posterior part of the talus forming the trochlea above for articulation with the tibia and fibula and articulating below with the calcaneus. Synonym: corpus tali. (05 Mar 2000) |
| body of thigh bone | The cylindrical shaft of the thigh bone. Synonym: corpus ossis femoris, body of thigh bone, corpus femoris. (05 Mar 2000) |
| body of tibia | The triangular body of tibia between its expanded proximal and distal ends. Synonym: corpus tibiae, body of tibia. (05 Mar 2000) |
| body of tongue | The oral part of the tongue anterior to the terminal sulcus. Synonym: corpus linguae. (05 Mar 2000) |
| body of ulna | The shaft of the ulna between the proximal extremity and the head. Synonym: body of ulna. (05 Mar 2000) |
| body of urinary bladder | The portion of the bladder between the apex and fundus. Synonym: corpus vesicae urinariae. (05 Mar 2000) |
| body of uterus | The part of the uterus above the isthmus, comprising about two thirds of the non-pregnant organ. Synonym: corpus uteri. (05 Mar 2000) |
| body of vertebra | The main portion of a vertebra anterior to the vertebral canal, as distinct from the arches. Synonym: corpus vertebrae. (05 Mar 2000) |
| body patterning | The morphological expression of genetic control of body shape. Clusters of homeotic genes control the morphology of animal body plans and body parts. Different body patterns may evolve through changes in gene number, regulation, or function. Recent evidence suggests that homeotic gene clusters were duplicated early in vertebrate evolution, but that arthropod and tetrapod diversity has largely involved regulatory changes in expression. (12 Dec 1998) |
| body regions | Anatomical areas of the body. (12 Dec 1998) |
| body righting reflexes | Reflex effects upon the neck muscles which bring the head into the correct position in space caused by stimulation of pressoreceptors in the body wall by contact with the ground. (05 Mar 2000) |