rod

An extended slender bar, generally straight and more or le rigid, auditory r's. See r's of Corti. enamel r's. Enamel prisms, intracellular r's. The fibrillae of fibrillated cells, muscle r's. R-shaped sarcous elements, forming the contractile and principal part of the contractile disk of a muscular fiber, retinal r's, r's of the retina. Cylindrical bodies, 50 to 60 n in length and 2 ^ thick, made up of an inner and outer segment cemented together, found in the layer r. is of connected r's and cones with of a the fibrilla retina.of Each the external molecular stratum of the retina. r's of Corti. Two layers, an inner and an outer, fibers), the of lightly ends inferior swung r's (Corti's of which stand on the membrana basilar is, while their superior ends are connected like joints. r's of Heidehhain. The fibrillated structure in the fibrillated cells. [Ang.-