PPT-The Epithelium Tissues

Glandular epithelium Prepared by Reem Aldossari a gland may consist of one cell or a group of cells highly specialized to secrete substances into ducts onto surfaces or into the blood. Study of cells, tissues and organs as seen with the help of microscope. Study . Histology. Often called . Microscopic Anatomy. Greek word – . . Histos. = tissue. . Logia. =science/study. Cells work together in functionally related groups called tissues. Squamous. Thin and flat. Nucleus in the thickest part of the cell. Cell Shapes. Figure 4.4. Cuboidal. Square. Cell Shapes cont…. Figure 4.4. Columnar. Rectangular. Cell Shapes cont…. Figure 4.4. Protected regions where absorption takes place. 4-. 2. Tissue Level of Organization. The classification of tissue types is based on the structure of cells; the composition of noncellular substance surrounding cells (extracellular matrix) and the functions of the cells.. BIO 137: Anatomy & . Physiology . I. Tissues. Tissues are a group of cells with a common embryonic origin that function together to carry out specialized activities.. They include various types, . 4 basic types of tissues in human body contribute to homeostasis by providing diverse functions including. protection. support. communication among cells. resistance to disease . & many more. Tissues & Homeostasis. 4-. 2. Tissue Level of Organization. The classification of tissue types is based on the structure of cells; the composition of noncellular substance surrounding cells (extracellular matrix) and the functions of the cells.. Do Now. Chapter 5. Tissues. 1. . Explain . the 4 types of tissues.. 2. Identify . the different types of epithelial tissue.. 3. List . the locations of each type of epithelial tissue. . objectives. 1. . I. Introduction. . A. Introduction. A. Introduction. Cells . are organized into . layers or groups of similar cells with a common function called tissues. .. 2. Intercellular junctions connect . Study . Histology. Often called . Microscopic Anatomy. Greek word – . . Histos. = tissue. . Logia. =science/study. Cells work together in functionally related groups called tissues. 4 basic type of tissues:. Dr.Duran Kala. 4-. 2. Tissues and Histology. What is a Tissue?. A collection of similar cells and noncellular substances (extracellular matrix) secreted by the cells. Tissue Level of Organization. Epithelial . Fitua. Al-. Saedi. The . human . body is composed of four main types . of . tissues . :. . 1. . Epithelial . tissues . 2. . Connective . tissues. 3. Muscular . tissues. 4. . Nervous . tissues. A.  . Ahmed A. Mohammed. . Lecture 5. Tissues. . The tissue is a group of cells which are similar in the shape (form), structure and function. . Tissues exist not as isolated units but rather in association with one another in variable proportions, forming different organs and systems of the body. . Topic. : Epithelial Tissues . Types and Functions. B.Ed. (. Hons. ) Secondary Semester IV Subject: Advance Biology II Course Title: Animal Form and Function–I. . Tissues have two interacting components:. Cells .. . Extracellular matrix (ECM).which is consist of many kinds of macromolecules.. The (ECM) function :. Supports the cells and the fluids that transports nutrients to the cells ..