| Rolando's angle | The angle which the fissure of Rolando (central sulcus) makes with the midplane. (05 Mar 2000) |
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| 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) |
| fissure of Rolando | A double-S-shaped fissure extending obliquely upward and backward on the lateral surface of each cerebral hemisphere at the boundary between frontal and parietal lobes. Synonym: sulcus centralis, fissure of Rolando. (05 Mar 2000) |
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