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Topic epithelial tissue 49 describe the structure of

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Topic: EPITHELIAL TISSUE 49) Describe the structure of each of the following types of epithelium and explain how the structure of each is related to its functions: simple squamous epithelium, simple cuboidal epithelium, keratinized stratified squamous epithelium, transitional epithelium, ciliated pseudostratified columnar epithelium. Answer: The answer should reveal an understanding of the significance of the suitability of simple and stratified epithelia for different functions, as well as an understanding of the difference in function according to cell types. This information is summarized in the introductory section of Covering and Lining Epithelium, p. 59-60. Topic: EPITHELIAL TISSUE 50) Name and describe the three functional types of multicellular exocrine glands, giving an example of each. Answer: See pp. 68 for descriptions of the three types. 1. Holocrine: sebaceous glands of the skin 2. Merocrine: salivary glands 3. Apocrine: ? Mammary glands, once thought to be apocrine, are now thought to be merocrine. Topic: EPITHELIAL TISSUE: Glandular Epithelium 51) Contrast the general features of connective tissues with those of epithelial tissues. Answer: Connective tissues do not usually occur on free surfaces. Connective tissues are highly vascular, except for cartilage and tendons. Connective tissues usually contain scattered cells, with varying amounts of matrix filling up the extracellular spaces. The characteristics of the matrix determine the specific qualities for each type of connective tissue. Topic: CONNECTIVE TISSUE 52) Describe the cells that are found in connective tissue and give the main functions of each. Answer: The cells (fibroblasts, osteocytes, chondrocytes, macrophages, plasma cells, mast cells, adipocytes, white blood cells) are illustrated and described on p. 69-70. 8
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Topic: CONNECTIVE TISSUE 53) Describe and compare the structure of the two types of bone tissue. Answer: In general, these two are quite similar. Answer should include the details of the osteon of compact bone and a general description of the components of the trabeculae of spongy bone as on pp. 75-77. Topic: CONNECTIVE TISSUE: Bone 54) Describe the structure of each of the following types of connective tissue and explain how the structure of each is related to its functions: areolar connective tissue, dense regular connective tissue, dense irregular connective tissue, hyaline cartilage, elastic cartilage, and bone. Answer: The answer should demonstrate an understanding of the significance of the structure of the matrix of each tissue, i.e., the fluidity of the ground substance, the abundance of fibers and types and arrangement of fibers, as described for each tissue in Table 3.3 Topic: CONNECTIVE TISSUE 55) List four features and one location for each of the three types of muscle tissue. Answer: Describe each using the following terms: (1) striated or nonstriated, (2) voluntary or involuntary, (3) uninucleate or multinucleate, (4) cylindrical or branched or spindle shaped. See Table 3.4 for locations.
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Topic EPITHELIAL TISSUE 49 Describe the structure of each...

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