PPT-Tissues

Tissues Groups of cells that have specialized structural and functional roles Four major types Epithelial Connective Muscle Nervous Epithelial Covers organs Forms the inner lining of body cavities. Prepared by : Reem Aldossari. THE GENERAL VISCRA OF THE RAT. Definition of Fixation . In the fields of . histology. , . pathology. , and . cell biology. , . fixation. is a . chemical process. by which . By: Heather Mitchell & Kenny Perry. How is handwriting samples and signature samples compared?. . - Handwriting is more uneven and a signature is smooth.. 2. List the factors that can determine the identity of a writer, based on a handwriting sample.. What are Fluids and Electrolytes and what are their functions?. Body Fluid is the liquid portion of our cells and tissues. - intercellular fluid. - extracellular fluid. - tissue fluid ( interstitial fluid). Congratulations!. You have all been selected as the new, up and coming marketing firm responsible for the new campaign slogans for a new protein bar and a new energy drink! . Functions of Leaves. Evapotranspiration from the leaves is what moves water and nutrients up from the roots.. Factors that influence flexibility. 1- Joint structure. The type of joint determine the degree of ROM. For example; a ball-and-socket joint, like shoulder has greater ROM than a hinge joint like wrist. . Parenchyma – These are the most abundant and versatile cells found in plants.. Storage - Plants store nutrients in Parenchyma cells.. Basic Metabolism – parenchyma cells are the primary sites of photosynthesis and protein synthesis.. Types of tissues:. TYPES OF TISSUES:. 1. Epithelial, nervous, muscle, connective. 2. Connective tissue: . . a. Contains few cells- spaced apart. . b. Defensive (type)- defends the body. ex. WBC. Cells. In the late 1600’s British born Robert Hooke coined. the term "cell" to describe the basic unit of life.. Where did the term cell come from?. In 1665 Robert Hooke inspected thin slices of cork and found that they consisted of millions of small, “irregular units”. 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.. How do cells, tissues, organs, and organ systems explain the complexity of living things?. Essential. Question:. Turn to a seat partner and discuss the characteristics of living things. .. Let’s Review. organs. Literally, histology means tissue or web. To study tissues, certain techniques an instruments are used to study tissues. Tissue Preparation. For conventional bright field light microscopy, we follow the following steps:. DR. AYSER HAMEED. LEC.5. Tissue repair is critically influenced by the intrinsic proliferative capacity of the constituent cells. Based on this criterion, the tissues of the body are divided into three groups:. 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.  . . 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 ..