| Retzius' space | The area of loose connective tissue between the bladder with its related fascia and the pubis and anterior abdominal wall. Synonym: spatium retropubicum, cavum retzii, Retzius' cavity, Retzius' space. (05 Mar 2000) |
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| Retzius' striae | Dark concentric lines crossing the enamel prisms of the teeth, seen in axial cross sections of the enamel. Synonym: brown striae, striae parallelae. (05 Mar 2000) |
| Retzius' veins | Portacaval anastomoses formed from vein's in the walls of retroperitoneal viscera, such as the ascending and descending colon, passing to the tributaries of the inferior vena cava in the posterior body wall instead of those of the portal vein. Synonym: Ruysch's veins. (05 Mar 2000) |
| sheath of Key and Retzius | <anatomy> The delicate bands of connective tissue among nerve fibres. Origin: NL, fr. Gr. Within + a sinew, nerve. Source: Websters Dictionary (01 Mar 1998) |
| Key-Retzius corpuscles | Tactile corpuscle's, resembling pacinian corpuscle's, found in the beak of certain aquatic birds. (05 Mar 2000) |
| foramen of Key-Retzius | One of the two lateral openings of the fourth ventricle into the subarachnoid space at the cerebellopontine angle. Synonym: apertura lateralis ventriculi quarti, foramen lateralis ventriculi quarti, foramen of Key-Retzius, foramen of Luschka, Retzius' foramen. (05 Mar 2000) |
| absorption lines | The dark line's in the solar spectrum due to absorption by the solar and the earth's atmosphere; the phenomenon occurs because rays passing from an incandescent body through a colder medium are absorbed by elements in that medium. (05 Mar 2000) |
| accretion lines | Line's seen in microscopic sections of the enamel, marking successive layers of added material. (05 Mar 2000) |
| amphotropic packaging cell lines | <cell culture, molecular biology> Clonal entities that express genes or act as viral vectors that infect cell lines to stably infect and then express genes of choice. Usually an amphotropic virus. (04 Nov 1997) |
| Baillarger's lines | Two laminae of white fibres that course parallel to the surface of the cerebral cortex and are visible as outer and inner line's in sections cut perpendicular to the surface; the line of Gennari in the calcarine cortex represents the outer of these lines. Synonym: Baillarger's bands. (05 Mar 2000) |
| Beau's lines | Transverse depressions on the fingernails following severe febrile disease, malnutrition, trauma, myocardial infarction, etc. (05 Mar 2000) |
| Paton's lines | Concentric lines on the surface of an abnormal retina. Synonym: Paton's lines. (05 Mar 2000) |
| Voigt's lines | A dorso-ventral line of pigmentation occurring symmetrically and bilaterally for about 10 cm along the lateral edge of the biceps muscle, seen in some blacks. Synonym: Voigt's lines. (05 Mar 2000) |
| Mees' lines | Horizontal white bands of the nails seen in chronic arsenical poisoning, and occasionally in leprosy. Synonym: Mees' stripes. (05 Mar 2000) |
| growth arrest lines | Dense lines parallel to the growth plates of long bones on radiographs, representing temporary slowing or cessation of longitudinal growth. Synonym: Harris' lines. (05 Mar 2000) |