It is one of the reasons many of North Americaâs largest rail shippers already rely on MRC to support the vital role railcars play in their organization. MRC matches the design of each railcar leased to individual needs, ensuring the right car type to deliver the greatest efficiencies. Once the right type of railcar is identified, MRC experts are actively engaged in the car building process, auditing the build and inspecting the cars prior to delivery.
Quick Answer. Surface anatomy is the study of the body's external features, such as the hands, the feet and the legs. Certain features are labeled as regions based on the bones or muscles they cover. For example, the mastoid region is the area covering the mastoid bones of the ear. Continue Reading
Dental anatomy (or tooth anatomy) is a field of anatomy dedicated to the study of tooth structure. 1  Enamel Enamel is the hardest and most highly mineralized substance of the body ; 96% of enamel consists of mineral, with water and organic material comprising the rest. Enamel covers the crown of the tooth and varies in thickness over the surface of the tooth ; it is often thickest at the cusps, up to 2.5 mm, and thinnest at its border. The normal color of enamel varies from light yellow to grayish white ; since enamel is semi-translucent, the color of dentin and any restorative dental material underneath the enamel strongly affects the appearance of a tooth.