According to shape and layer of cells, epithelial tissue which are present in human body is divided in two main types: 1. Simple Epithelial Tissue 2. Compound Epithelial Tissue. Type # 1. Simple Epithelium Tissue: I. Pavement (Squamous) (Fig. 1.20A): Description: It is composed of a single layer of large flat cells placed on a thin basement membrane. Distribution: It [...]
In this article we will discuss about the definition and groups of tonsil which are found in human body with the help of suitable diagrams. Definition of Tonsil: There is accuÂmulation of lymphoid tissue in the mucous membrane at the root of the tongue and at the surrounding of the pharynx, where nasal and oral passages unite, this lymphoid tissue [...]
In this article we will discuss about:- 1. Distribution of Skeletal Muscle 2. Origin and Development of Skeletal Muscle 3. Features 4. Histological Structure 5. Blood Vessels, Lymphatics and Nerves. Distribution of Skeletal Muscle: The skeletal (voluntary and striated) muscle fibres are multinucleated cylindrical structures having a clear display of longitudinal and cross-striations. This muscular tissue is responsible for voluntary [...]