| SMAS | submuscular aponeurotic system; superficial musculo-aponeurotic system; superior mesenteric artery s... |
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| SMV | superior mesenteric vein |
| SOF | superior orbital fissure |
| SON | superior olivary nucleus; supraoptic nucleus |
| SPL | skin potential level; sound pressure level; splanchnic; spontaneous lesion; staphylococcal phage lys... |
| plexus rectalis superior | The autonomic plexus derived as a continuation of the inferior mesenteric plexus that accompanies the superior rectal artery. Synonym: plexus rectalis superior, superior haemorrhoidal plexus. (05 Mar 2000) |
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| plexus thyroideus superior | An autonomic plexus on the artery of the same name, derived from the external carotid plexus. Synonym: plexus thyroideus superior. (05 Mar 2000) |
| plica duodenalis superior | A fold of peritoneum bounding the superior duodenal recess. Synonym: plica duodenalis superior, plica duodenojejunalis, duodenojejunal fold. (05 Mar 2000) |
| musculus auricularis superior | <anatomy, muscle> Origin, galea aponeurotica; insertion, cartilage of auricle; action draws pinna of ear upward and backward; nerve supply, facial. Considered by some to be the posterior part of the temporoparietal muscle. Synonym: musculus auricularis superior, attollens aurem, attollens auriculam, musculus attollens aurem, musculus attollens auriculam. (05 Mar 2000) |
| musculus constrictor pharyngis superior | Origin, medial pterygoid plate (pterygopharyngeal part), pterygomandibular raphe (buccopharyngeal part), mylohyoid line of mandible (mylopharyngeal part), and the mucous membrane of the floor of the mouth and the side of the tongue (glossopharyngeal part); insertion, pharyngeal raphe in the posterior wall of the pharynx; action, narrows pharynx; nerve supply, pharyngeal plexus. Synonym: musculus constrictor pharyngis superior, musculus cephalopharyngeus. (05 Mar 2000) |
| musculus longitudinalis superior | An intrinsic muscle of the tongue, running from base to tip on the dorsum just beneath the mucous membrane; action, shortens the upper part of the tongue; nerve supply, motor by hypoglossal, sensory by lingual. Synonym: musculus longitudinalis superior, superficial lingual muscle. (05 Mar 2000) |
| musculus obliquus capitis superior | <anatomy, muscle> Origin, transverse process of atlas; insertion, lateral third of inferior nuchal line; action, rotates head; nerve supply, suboccipital. See: suboccipital muscles. Synonym: musculus obliquus capitis superior, superior oblique muscle of head. (05 Mar 2000) |
| musculus obliquus superior | <anatomy, muscle> Origin, above the medial margin of the optic canal; insertion, by a tendon passing through the trochlea, or pulley, and then reflected backward, downward, and laterally to the sclera between the superior and lateral recti; action, primary, intorsion; secondary, depression and abduction; nerve supply, trochlear nerve. Synonym: musculus obliquus superior. (05 Mar 2000) |
| musculus rectus superior | <anatomy, muscle> Origin, superior part of common tendinous ring; insertion, superior part of sclera of the eye; action, primary, elevation; secondary, adduction and intorsion; nerve supply, oculomotor. Synonym: musculus rectus superior, attollens oculi. (05 Mar 2000) |
| musculus serratus posterior superior | <anatomy> Origin, from spinous processes of two lower cervical and two upper thoracic vertebrae; insertion, into lateral side of angles of second to fifth ribs; nerve supply, first to fourth intercostals. Synonym: musculus serratus posterior superior, superior posterior serratus muscle. (05 Mar 2000) |
| poli lienalis inferior et superior | See: anterior extremity, posterior extremity. (05 Mar 2000) |
| poli renalis inferior et superior | See: superior pole of kidney, inferior pole of kidney. (05 Mar 2000) |
| musculus tarsalis superior | <anatomy> A well defined layer of smooth muscle that extends from the aponeurosis of the musculus levator palpebrae superioris to the superior tarsus; it is innervated by sympathetic nerves and acts to hold the upper lid in an elevated position; its paralysis in Horner's syndrome result in ptosis. Synonym: musculus tarsalis superior, Muller's muscle. (05 Mar 2000) |
| mylopharyngeal part of superior pharyngeal constrictor | See: superior constrictor muscle of pharynx. Synonym: pars mylopharyngeus musculi constrictoris pharyngis superioris. (05 Mar 2000) |
| posterior branch of right superior pulmonary vein | <anatomy, vein> Drains posterior portion of superior lobe of right lung. Synonym: ramus posterior venae pulmonalis dextrae superioris. (05 Mar 2000) |