- enamel sheath
- 釉柱鞘(围绕每个釉柱周围的有机基质)
Medical Chinese dictionary (湘雅医学词典). 2013.
enamel sheath
Look at other dictionaries:
enamel prism sheath — enamel rod sheath a sheath of organic tissue completely or partially surrounding each enamel prism. Called also prism s. and rod s … Medical dictionary
sheath of Hertwig — sheath of Hert·wig hert .vig n a two layered epithelial wall that covers the developing root of a tooth, is derived from cells of the enamel organ, and later breaks up during the process of cement deposition called also Hertwig s sheath Hert·wig… … Medical dictionary
enamel rods — the approximately parallel rods or prisms forming the enamel of teeth. They are enclosed in a sheath of organic matter (the enamel rod sheath, or prism sheath) and are embedded in the interprismatic or cement substance … Medical dictionary
sheath — 1. Any enveloping structure, such as the membranous covering of a muscle, nerve, or blood vessel. Any sheathlike structure. SYN: vagina (1). 2. The prepuce of male animals, especially of the horse. 3. A specially designed tu … 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
prism sheath — enamel prism s … Medical dictionary
rod sheath — enamel prism s … Medical dictionary
Rod sheath — The rod sheath is an area identified in histologic sections of a tooth. It is found where enamel rods, the functional unit of enamel, meet interrod enamel. The crystals of both types of enamel meet at sharp angles and form the appearance of a… … Wikipedia
Hertwig's epithelial root sheath — The Hertwig s epithelial root sheath (frequently abbreviated as HERS ) is a proliferation of epithelial cells located at the cervical loop of the enamel organ in a developing tooth. Hertwig s epithelial root sheath initates the formation of… … Wikipedia
root sheath — n the epidermal lining of a hair follicle * * * 1. an epithelial extension of the cervical loop of the enamel organ, consisting of the inner and outer enamel epithelium, and directing the number and morphological growth of the roots. It is… … Medical dictionary
Tooth enamel — Labeled molar Latin enamelum Code TA … Wikipedia
