| PSA | parasternal short axis; pleomorphic salivary gland adenoma; polyethylene sulfonic acid; polysacchari... |
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| PSC | patient services coordination; Porter-Silber chromogen; posterior subcapsular cataract; primary scle... |
| PSI | posterior sagittal index; problem solving information; prostaglandin synthetic inhibitor; psychologi... |
| PSIS | posterior sacroiliac spine |
| PSP | pancreatic spasmolytic peptide; paralytic shellfish poisoning; parathyroid secretory protein; period... |
| posterior tympanic artery | <anatomy, artery> Origin, stylomastoid; distribution, middle ear; anastomoses, other tympanic arteries. Synonym: arteria tympanica posterior. (05 Mar 2000) |
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| posterior urethra | The portion of urethra posterior to the urogenital diaphram (external sphincter). (05 Mar 2000) |
| posterior urethral valves | Anomalous folds occurring at the level of the seminal colliculus. Synonym: Amussat's valvula. (05 Mar 2000) |
| posterior urethritis | Inflammation of the membranous and prostatic portions of the urethra. (05 Mar 2000) |
| posterior uveitis | <pathology> Inflammation of the choroid, a membrane or coat of the eyeball. (27 Sep 1997) |
| posterior vaginal hernia | Downward displacement of Douglas' pouch. (05 Mar 2000) |
| posterior vaginismus | Spasmodic stenosis of the vagina caused by contraction of the levator ani muscle. (05 Mar 2000) |
| posterior vein of left ventricle | Arises on the diaphragmatic surface of the heart near the apex, runs to the left and parallel to the posterior interventricular sulcus, and empties in the coronary sinus. Synonym: vena posterior ventriculi sinistri. (05 Mar 2000) |
| posterior vein of septum pellucidum | Vein draining the posterior part of the transparent septum; it empties into the superior thalamostriate vein. Synonym: vena septi pellucidi posterior. (05 Mar 2000) |
| posterior vertebral scalloping | <radiology> A acromegaly achondroplasia, M Marfan syndrome mucopolysaccharidoses (Morquio disease, Hurler syndrome), E Ehlers-Danlos syndrome, N neurofibromatosis (12 Dec 1998) |
| posterior vitrectomy | Removal of the posterior cortical vitreous; sometimes the preretinal membranes are removed. (05 Mar 2000) |
| posterior wall of middle ear | It contains the opening into the mastoid antrum. Synonym: paries mastoideus cavi tympani, mastoid wall of middle ear, posterior wall of middle ear. (05 Mar 2000) |
| posterior wall of stomach | That part of the gastric wall that faces the omental bursa. Synonym: paries posterior gastris. (05 Mar 2000) |
| posterior wall of tympanic cavity | It contains the opening into the mastoid antrum. Synonym: paries mastoideus cavi tympani, mastoid wall of middle ear, posterior wall of middle ear. (05 Mar 2000) |
| posterior wall of vagina | It is longer than the anterior wall and has a low ridge in the midline throughout most of its length. Synonym: paries posterior vaginae. (05 Mar 2000) |
| posterior commissure of brain |
The commissure just above the midbrain containing fibers that connect the superior colliculi.
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| posterior l. of stapes |
crus posterius stapedis.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| posterior commissure of spinal cord |
The gray commissure connecting the halves of the spinal cord, lying behind the central canal.
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| posterior limiting l. |
l. limitans posterior corneae.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| posterior cricoid pressure |
Pressure applied by firmly placing the thumb and index finger on the lateral aspects of a patient's cricoid ring to occlude the esophagus. SYN: Sellick's maneuver.
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