- enamel formation
- 釉质形成
Medical Chinese dictionary (湘雅医学词典). 2013.
enamel formation
Look at other dictionaries:
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 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 cord — a vertical extension of the enamel knot in a developing tooth, connecting the enamel knot with the outer dental epithelium, a temporary structure which disappears before enamel formation begins … Medical dictionary
enamel nucleus — in the cap stage of odontogenesis, a slight indentation in the outer dental epithelium of a developing tooth, in the end of the enamel cord; a temporary structure that disappears before enamel formation begins … Medical dictionary
enamel knot — a small dense group of epithelial cells in the stellate reticulum of a developing tooth, which disappears before enamel formation begins … Medical 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 hypoplasia — a form of amelogenesis imperfecta characterized by incomplete formation of the dental enamel. It may be transmitted as an X linked or autosomal dominant trait, or be associated with vitamin A, C, or D deficiency, measles, chickenpox, scarlet… … Medical dictionary
enamel — The hard glistening substance covering the exposed portion of the tooth. In its mature form, it is composed of an inorganic portion made up of 90% hydroxyapatite and 6 8% calcium carbonate, calcium … Medical dictionary
Tooth enamel — Labeled molar Latin enamelum Code TA … Wikipedia
mottled enamel — mot·tled enamel .mät əld n spotted tooth enamel typically caused by drinking water containing excessive fluorides during the time the teeth are calcifying * * * hypoplasia of the dental enamel caused by drinking water with a high fluoride content … Medical dictionary
Tooth development — Radiograph of lower right (from left to right) third, second, and first molars in different stages of development. Tooth development or odontogenesis is the complex process by which teeth form from embryonic cells, grow, and erupt into the mouth … Wikipedia
