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 [...]
The following points highlight the ten main varieties of connective tissues of human body. They are: 1. Areolar Tissue 2. Adipose Tissue 3. White Fibrous Tissue 4. Yellow Elastic Tissue 5. Reticular Tissue 6. Blood and Haemopoietic Tissue 7. Cartilage 8. Jelly-Like Connective Tissue 9. Osseous Tissue or Bone 10. Reticulo-Endothelial Tissue. 1. Areolar Tissue: Distribution: (a) In the subcutaneous [...]
According to the density and hardness, bone is divided into two types: 1. Compact Bone 2. Cancellated Bone. 1. Compact Bone: Distribution: The outer layer of all bones and the shaft (diaphysis) of the long bones are entirely compact in nature. Histology: The shaft of the long bones (Fig. 1.48) is the typical example of this type of bone tissue. [...]