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character and regenerative cells Endocrine and goblet cells have been described in some insect groups Regenerative cells form groups called regenerative nests or crypts They may also be loca. 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. Chapter 2. *You will need your notebook*. Tissues. Groups of closely associated cells that are similar in structure and perform . a. common function. Chapter 2: Cells and Tissues. Histology. . = study of tissue. Tissues of the human body . Epithelial Tissues. The lining, covering and glandular tissue of the body. . Functions include: . Protection. . Absorption. . Filtration. . Secretion. . Simple . Squamous. 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”. 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:. Cells are arranged in tissues that perform specialized structural and functional roles. Four Major Types of Tissue:. Epithelial. Connective. Muscle. Nervous. Introduction. General Characteristics. Covers free body surfaces. ZOO 103. Structure . They are c. losely packed cells.. . Specialized. to cover external surfaces. . or line internal cavities.. Epithelial cells are packed tightly . together, with almost . no intercellular . Types of body tissues. Epithelial tissues. Cover body surfaces. Line body cavities. Line body tubes. Form secretory portions of glands & their ducts. Epithelial cell. Epithelial tissue. Simple (single layer). and their associated . extracellular substances(ECM). , which are specialized to carry out specific functions.. B. . Four Primary Tissues of the Body. 1. . Epithelium. 2. . Connective Tissue. 3. . Muscle. 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.  . Lec2/ Epithelial tissue. م.م. . منار الزهيري. Epithelial tissue. Tissues are: Collections of specialized cells and cell products organized to perform a limited number of functions. Histology = study of tissues.. Lama . AlAbdi. Supervised by: Dr. Reem . AlAjmi. Genera!y. , It is an instrument used to examine and. monitor objects we can’t see with the naked eye.. It has many applications.. Microscope. There . Tissues – Introduction. a group of similar cells specialized to carry on a particular function. tissue = cells + extracellular matrix. nonliving portion of a tissue that supports cells. 4 types. epithelial = protection, secretion, absorption.