| Rokitansky's hernia | A separation of the muscular fibres of the bowel allowing protrusion of a sac of the mucous membrane. (05 Mar 2000) |
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| Rokitansky's pelvis | A pelvis whose brim is more or less occluded by a forward dislocation of the body of the lower lumbar vertebra. Synonym: Prague pelvis, Rokitansky's pelvis. (05 Mar 2000) |
| Rokitansky, Karl Freiherr von | <person> Austrian pathologist, 1804-1878. See: Rokitansky's disease, Rokitansky's hernia, Rokitansky-Aschoff sinuses, Mayer-Rokitansky-Kuster-Hauser syndrome. (05 Mar 2000) |
| rokitansky-aschoff sinuses | <radiology> Small outpouchings of gallbladder mucosa that extend through the muscularis layer, may be congenital, associated with adenomyomatosis of gallbladder (12 Dec 1998) |
| Rokitansky-Kuster-Hauser syndrome | <syndrome> Primary amenorrhoea, absence of vagina, or presence of a short vaginal pouch, and absence of the uterus with normal karyotype and ovaries. Synonym: Rokitansky-Kuster-Hauser syndrome. (05 Mar 2000) |
| rolandic | Relating to or described by Luigi Rolando. (05 Mar 2000) |
| Rolandic artery | <anatomy, artery> A branch of the terminal part of the middle cerebral artery distributed to the cortex on either side of the central sulcus. Synonym: arteria sulci centralis, artery of central sulcus, central artery, Rolandic artery. (05 Mar 2000) |
| rolandic epilepsy | A benign, autosomal, dominant form of epilepsy occurring in children, characterised clinically by arrest of speech, by muscular contractions of the side of the face and arm and epileptic discharges electroencephalographically. Origin: Luigi Rolando (05 Mar 2000) |
| Rolando's angle | The angle which the fissure of Rolando (central sulcus) makes with the midplane. (05 Mar 2000) |
| Rolando's area | Area of the frontal lobe concerned with primary motor control. It lies anterior to the central sulcus. (12 Dec 1998) |
| Rolando's cells | The nerve cell's in Rolando's gelatinous substance of the spinal cord. (05 Mar 2000) |
| Rolando's column | A slight ridge on either side of the medulla oblongata related to the descending trigeminal tract and nucleus. (05 Mar 2000) |
| Rolando's gelatinous substance | The apical part of the posterior horn (dorsal horn; posterior gray column) of the spinal cord's gray matter, composed largely of very small nerve cells; its gelatinous appearance is due to its very low content of myelinated nerve fibres. Synonym: substantia gelatinosa, Rolando's gelatinous substance, Rolando's substance. (05 Mar 2000) |
| Rolando's tubercle | A longitudinal prominence on the dorsolateral surface of the medulla oblongata along the lateral border of the tuberculum cuneatum; it is the surface profile of the spinal tract of trigeminal nerve, continuous caudally with the dorsolateral fasciculus (Lissauer's tract). Synonym: ashen tubercle, gray tubercle, Rolando's tubercle. (05 Mar 2000) |
| Rolando, Luigi | <person> Italian anatomist, 1773-1831. See: Rolando's angle, Rolando's area, Rolando's cells, Rolando's column, rolandic epilepsy, Rolando's gelatinous substance, Rolando's tubercle, fissure of Rolando. (05 Mar 2000) |