| RPA | radial photon apsorptiometry; replication protein A; resultant physiologic acceleration; reverse pas... |
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| round ligament of uterus | A fibromuscular band that is attached to the uterus on either side in front of and below the opening of the uterine tube; it passes through the inguinal canal to the labium majus; corresponds to the spermatic cord of male in that it passes through the inguinal canal and gains similar coverings, but is not homologous. Synonym: ligamentum teres uteri, Hunter's ligament. (05 Mar 2000) |
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| round pelvis | An obsolete term for one in which the anteroposterior and transverse diameters are equal or the transverse diameter is not more than 1 cm longer than the anteroposterior diameter. Synonym: round pelvis. (05 Mar 2000) |
| round pneumonia | <radiology> Kids, the usual bacteria (especially pneumococcus), adults, almost always associated with immune deficiency, predominantly fungal, especially Aspergillus (12 Dec 1998) |
| round pronator muscle | <anatomy, muscle> Origin, superficial (humeral) head (ulnar) from the common flexor origin on the medial epicondyle of the humerus, deep (ulnar) head from the medial side of the coronoid process of the ulna; insertion, middle of the lateral surface of the radius; action, pronates forearm; nerve supply, median. Synonym: musculus pronator teres, musculus pronator radii teres, round pronator muscle. (05 Mar 2000) |
| round window | Fenestra of the cochlea; an opening in the medial wall of the middle ear leading into the cochlea. (12 Dec 1998) |
| notch for round ligament of liver | The notch in the inferior border of the liver that accommodates the round ligament. Synonym: incisura ligamenti teretis hepatis, incisura umbilicalis, umbilical notch. (05 Mar 2000) |
| fissure of round ligament of liver | A cleft on the inferior surface of the liver, running from the inferior border to the left extremity of the porta hepatis; it lodges the round ligament of the liver. Synonym: fissura ligamenti teretis, fissure for ligamentum teres, fossa venae umbilicalis, umbilical fissure, umbilical fossa. (05 Mar 2000) |