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EXPLAIN/ ELABORATE ON THE DIAGRAM BELOW ON THE PHYLOGENY OF THE INTEGUMENTARY SYSTEM IN VERTEBRATES IN NOT MORE THAN 15 SENTENCES.
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- 1. Epithelial cells are found on the lining of the digestive system and in the skin. What are some specializations of these cells to withstand the harsh environment? Include at least 3 different specializations. 2. Draw and describe the 4 tissue types and give an example of each. 3. Draw and label the different layers found in the epidermis. Describe how keratinocytes change in each layer. a. Stratum Germinativum b. Stratum Spinosum c. Stratum Granulosum d. Stratum Lucidum e. Stratum Corneum 4. Describe the 3 factors in skin color. Draw and describe the structure of hair follicles. Be sure to include each of the following: shaft root Arrector pili muscle Medulla cortex and cuticleIn people who have the genetic disorder anhidrotic ectodermal dysplasia, patches of tissue have no sweat glands. What kind of tissue does this disorder affect?in a histological examination, you have the following tissue specimens: (1) Intervertebral disks and symphysis pubis; (2) tendons and ligaments; and (3) tissues from the inner spleen and lymph nodes. How will you categorize these specimens, respectively? O Hyaline, dense regular collagenous, reticular O Fibrocartilage, dense regular collagenous, reticular O Hyaline, dense irregular collagenous, reticular O Elastic cartilage, dense regular collagenous, reticular O Fibrocartilage, dense irregular collagenous, reticular 27 28 29 30 31 32 33 34 35 3
- The vertebrate skin has various functions like protection, temperature regulation,elimination of waste, water conservation, radiation protection, vitamin synthesis, andenvironmental responsiveness. Elucidate how these functions relate to the structure ofa vertebral integument. Provide at least two specific examples.Which of the following is not a function of thehypodermis?a. protects underlying organsb. helps maintain body temperaturec. source of blood vessels in the epidermisd. a site to long-term energy storageThe dermis is a very flexible connective tissue layer. Which of the following would be most likely found in this layer? reticulocytes and chondrocytes osteoblasts and collagen chondrocytes and blood vessels fibroblasts and collagen
- 1. Complete the table below with information about the different types of cells of the epidermis. Cell Type 1. Brief description of unique cell features Found in which Abundance of layer(s) of epidermis? Name all that apply cells Keratinocyte Stratum basale • Straturn Cells that mony facture Keratin. Linked by numerous desmosomes. SPISOSUM Melanocyte Protein melanin SKIN piogment rangines prom o rovge. red to brown-black. estratum basale Dendritic cells • Stratum Spinosum Pralect the skin ond deeper tissues From pathogens. Tactile/Merkel Cells Sensory receplars Delect light Houch and diffentiale Sapes ond Hexture. ostratum basaleThe vertebrate skin has various functions like protection, temperature regulation, elimination of waste, water conservation, radiation protection, vitamin synthesis and environmental responsiveness. Elucidate how these functions relate to the structure of a vertebral integument. Provide at least three specific examples.DENSE IRREGULAR CONNECTIVE TISSUE What kind of protein fibers are arranged "irregularly" in this tissue? [ Select ] [A."collagen fibers", B."elastic fibers", C."muscle fibers"] What is the location of this tissue? A. ["pubic symphysis, intervertebral discs, menisci, portions of tendons", B."fasciae, reticular region of the dermis, pericardium, periosteum, perichondrium, joint capsules, membrane capsules around organs, heart valves", C,"forms tendons, most ligaments and aponeuroses"] What is the function of this tissue? A. ["supports and joins structures together", B."forms smooth surface for movement of joints; flexibility and support", C."strong attachment between various structures, withstands tension", D."tensile strength"] DENSE REGULAR CONNECTIVE TISSUE What kind of protein fibers are arranged "regularly" in bundles? [ Select ]…
- Epithelial tissue is an important part of the body as a covering of surfaces and as a lining of the internal hollow organs. Discuss how histologists can use visualization of epithelial tissue to help with diagnosis of diseases in different parts of the body. Not more than 3 pages , Double spaced and no Plagiarism. Plagiarism is a ground for penalty.With age, the human skin undergoes changes that can be manifested with a decrease in its elasticity. What elements of connective tissue most of all| provide its elasticity? * Reticular fibers Collagen and elastic fibers O The matrix Connective tissue cells O Epidermis cellsThe vertebrate skin has various functions like protection, temperature regulation, elimination of waste, water conservation, radiation protection, vitamin synthesis and environmental responsiveness. Discuss and elaborate how these functions relate to the structure of a vertebral integument. Provide at least two specific examples.