However, on some occasions that are heavily associated with Advent, such as the Rorate Mass (but not on Sundays), white is used. On the 3rd Sunday of Advent, Gaudete Sunday, rose may be used instead, referencing the rose used on Laetare Sunday, the 4th Sunday of Lent. During the Nativity Fast, red is used by Eastern Christianity, although gold is an alternative color.
fissure. 1. Anatomy a narrow split or groove that divides an organ such as the brain, lung, or liver into lobes. 2. a small unnatural crack in the skin or mucous membrane, as between the toes or at the anus. 3. a minute crack in the surface of a tooth, caused by imperfect joining of enamel during development. [ â²fishÂ·Ér ].
1. porta hepatis. 2. the transverse cerebral fissure between the diencephalon and the cerebral hemispheres; called also fissure of Bichat. zygal fissure any of the fissures on the cerebral cortex that consist of two branches connected by a stem.ollateral fissure a longitudinal fissure on the inferior surface of the cerebral hemisphere between the fusiform gyrus and the hippocampal gyrus. Henle's f's spaces filled with connective tissue between the muscular fibers of the heart.