In this article we will discuss about:- 1. Origin and Development of Visceral Muscle 2. Histology of Visceral Muscle 3. Distribution 4. Fine Structure 5. Blood Vessels, Lymphatics and Nerves. Origin and Development of Visceral Muscle: The smooth muscles are mesenchymal in origin. The mesenchymal cells first start to stretch out. The nucleus becomes elongated, and myofilaments appear in the [...]
In this article we will discuss about the diagrammatic representation of classes of cartilage in human body. Diagrammatic Representation of Hyaline Cartilage: Description: It is made up of cartilage cells and a clear homogeneous ground substance completely devoid of any fibrous (loose) tissue. (Fig. 1.44) Hyaline means glass and in fresh condition it appears as a translucent bluish- white mass. [...]
In this article we will discuss about the structural pattern of a human tooth with the help of a suitable diagram. Histologically, a tooth contains enamel, dentine, cementum and pulp (Fig. 1.58). Enamel is epithelial in origin and encircles dentine beyond the plane of gum. It is the hardest substance found in the body. Chemically, it has calcium phosphate in [...]