Enamel organ — The enamel organ, also known as dental organ, is a cellular aggregation seen in histologic sections of a developing tooth. It lies above a condensation of ectomesenchymal cells called the dental papilla. Historically, enamel organ has been the… … Wikipedia
enamel organ — noun : an ectodermal ingrowth from the dental ridge that forms a cap with two walls separated by a reticulum of stellate cells, encloses the anterior part of the developing dental papilla and the cells of the inner enamel layer adjacent to the… … Useful english dictionary
Enamel knot — In tooth development, the enamel knot is a localization of cells on an enamel organ that appear thickened in the center of the inner enamel epithelium. The enamel knot is frequently associated with an enamel cord. The enamel knot as signaling… … Wikipedia
Enamel cord — The enamel cord, also called enamel septum, is a localization of cells on an enamel organ that appear from the outer enamel epithelium to an enamel knot. The function of the enamel cord and the enamel knot is not known, but they are believed to… … Wikipedia
enamel epithelium — in the developing tooth, the inner or internal layer of cells (ameloblasts) of the enamel organ that deposit the organic matrix of enamel, plus the outer or external layer of cuboidal cells. The reduced enamel epithelium is the remains of both… … Medical dictionary
Enamel niche — The enamel niche is a structure that appears in a histologic slide of a developing tooth from sectioning the slide in a single plane. The enamel organ looks to be connected to the oral epithelium by two or more strands of dental lamina. The… … Wikipedia
enamel cap — germinal cap a caplike structure of the enamel organ, developed during the third month of fetal development, and composed of an outer layer and an inner enamel layer; between the two layers are looser ectodermal cells that become the stellate… … Medical dictionary
enamel crypt — a space bounded by the dental ledges on either side and usually by the enamel organ; it is filled with mesenchyma … Medical dictionary
enamel germ — the epithelial rudiment of the enamel organ … Medical dictionary
enamel membrane — 1. cuticula dentis. 2. the inner layer of cells within the enamel organ of the dental germ in the fetus; called also Hannover intermediate m … Medical dictionary
