| IA | ibotenic acid; immune adherence; immunoadsorbent; immunobiologic activity; impedance angle; indolami... |
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| Irr | irradiation; irritation |
| LX | local irradiation; lower extremity |
| MID | maximum inhibiting dilution; mesioincisodistal; midinfarct dementia; minimum infective dose; minimum... |
| NCSI | number of combined spherical irradiation |
| superficial palmar artery | <anatomy, artery> The superficial palmar branch of the radial artery which supplies the thenar muscles then enters the palm to communicate with the superficial palmar arch from the ulnar artery. Synonym: ramus palmaris superficialis arteriae radialis, superficial palmar artery, superficial volar artery, superficialis volae. (05 Mar 2000) |
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| superficial palmar branch of radial artery | <anatomy, artery> The superficial palmar branch of the radial artery which supplies the thenar muscles then enters the palm to communicate with the superficial palmar arch from the ulnar artery. Synonym: ramus palmaris superficialis arteriae radialis, superficial palmar artery, superficial volar artery, superficialis volae. (05 Mar 2000) |
| superficial palmar venous arch | The venous arch accompanying the superficial palmar arterial arch it consists usually of paired venae comitantes and is drained by the superficial ulnar and radial veins. Synonym: arcus venosus palmaris superficialis. (05 Mar 2000) |
| superficial parotid lymph nodes | Several small lymph nodes located in the subcutaneous tissue in the parotid region. Synonym: nodi lymphatici parotidei superficiales. (05 Mar 2000) |
| superficial part of duodenum | See: duodenum. (05 Mar 2000) |
| superficial part of external anal sphincter | superficial part of external anal sphincter |
| superficial part of masseter muscle | superficial part of masseter muscle |
| superficial part of parotid gland | superficial part of parotid gland |
| superficial perineal pouch | The superficial compartment of the perineum; the space bounded above by the perineal membrane (inferior fascia of the urogenital diaphragm) and below by the superficial perineal (Colles') fascia; it contains the root structure of the penis or clitoris and associated musculature, plus the superficial transverse perineal muscle and, in the female only, the greater vestibular glands. Synonym: spatium perinei superficiale, Colles' space, superficial perineal pouch. (05 Mar 2000) |
| superficial perineal space | The superficial compartment of the perineum; the space bounded above by the perineal membrane (inferior fascia of the urogenital diaphragm) and below by the superficial perineal (Colles') fascia; it contains the root structure of the penis or clitoris and associated musculature, plus the superficial transverse perineal muscle and, in the female only, the greater vestibular glands. Synonym: spatium perinei superficiale, Colles' space, superficial perineal pouch. (05 Mar 2000) |
| superficial peroneal nerve | <anatomy, nerve> A branch of the common peroneal nerve which passes downward in the lateral compartment of the leg to supply the peroneus longus and brevis muscles and terminate as the intermediate and medial dorsal cutaneous nerves supplying the skin of the dorsum of the foot and toes (except for adjacent sides of great and second toes). Synonym: nervus fibularis superficialis, nervus peroneus superficialis, musculocutaneous nerve of leg, superficial fibular nerve. (05 Mar 2000) |
| superficial posterior sacrococcygeal ligament | <anatomy> The continuation of the supraspinal ligament from the sacrum to the coccyx. Synonym: ligamentum sacrococcygeum posterius superficiale, superficial posterior sacrococcygeal ligament. (05 Mar 2000) |
| superficial punctate keratitis | Epithelial punctate keratitis associated with viral conjunctivitis. Synonym: Thygeson's disease. (05 Mar 2000) |
| superficial pustular perifolliculitis | <dermatology> A superficial follicular pustular eruption involving the scalp or other hairy area. Synonym: Bockhart's impetigo, superficial pustular perifolliculitis. (05 Mar 2000) |
| superficial reflex | Any reflex, e.g., the abdominal or cremasteric reflex, which is elicited by stimulation of the skin. (05 Mar 2000) |