It the l's of a two-layered blastoderm. 2

The l's of a three-layered blastoderm, epiblast, mesoblast, and hypoblast, reticular 1. of the corium. The deeper or le dense part of the corium. It merges insensibly into the subcutaneous connective ti ue on one side and into the papillary 1. on the other, reticular 1. of the iris. The second 1. of the iris from before backward. retinal pigment 1. A 1. of pigmented epithelial cells forming the innermost lining of the retina, choroid, ciliary body, and iris. Embryologically, it is part of the retina. secondary germ ofl's. the appearance the The germ l's i. mesoblast; after e., epiblast, parietal mesoblast, visceral mesoblast, and hypoblast, sluggish 1. The 1. of corpuscles next to the wall of a blood ve el, which move more slowly than those in the center of the stream. spindle 1. The fifth 1. of cells in a section through one of the cerebral convolutions. It consists mostly of fusiform cells having a vertical arrangement. vascular 1. of the iris. The third 1.