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Study Guide 2
| Question | Answer |
|---|---|
| Identify the tissue types & functions of the major layers of skin. | |
| keratinocytes | |
| melanocytes | |
| Langerhans cells | |
| Merkel cells | |
| Identify the layers (strata) of epidermis in correct order (apical to basal) & explain their specific, unique structural characteristics & associated functions. | |
| Distinguish between thick & thin skin (structure, location & function). | |
| epidermal growth involving mitosis | |
| epidermal growth envolving cytokinesis | |
| epidermal growth envolving keratinization | |
| epidermal growth envolving apoptosis | |
| melanin | |
| carotene | |
| keratin | |
| hemoglobin | |
| Explain the variation of skin color, including melanin, hemoglobin, keratin, carotene. | |
| Explain what is meant by “epidermally derived” accessory structures & give some examples. | |
| Describe the structure, function & location of exocrine glands of skin; compare & contrast these glands. | |
| Describe the structure & function of hair, including hair shaft, root, follicle, bulb, matrix; also describe the supporting dermal hair papilla. | |
| hair shaft | |
| hair root | |
| hair follicle | |
| hair bulb | |
| hair matrix | |
| dermal hair papilla | |
| Describe the structure & function of nails, including free edge, body, lunula, cuticle, root, nail matrix. | |
| nail free edge | |
| nail body | |
| nail lunula | |
| nail cuticle | |
| Describe the structure & function of “fingerprints”, including epidermal ridges & dermal papillae | |
| epidermal ridges | |
| dermal papillae | |
| Describe the regions of dermis & explain their specific, unique structural characteristics & associated functions. | |
| Describe the structure & function of dermal accessory structures, including blood capillaries, arrector pilli, Merkel disc, Meissner’s corpuscles, free nerve endings, hair root plexus, Pacinian corpuscle. | |
| blood capillaries | |
| arrector pilli | |
| Merkel disc | |
| Meissner’s corpuscles | |
| free nerve endings | |
| hair root plexus | |
| Pacinian corpuscle | |
| Explain the steps of epidermal (superficial) & dermal (deep) damage repair (wounds or burns); explain the significance of scars. | |
| Explain the integumentary system-level physiology & interactions with other systems, including body temperature homeostasis, protection, sensations, Vitamin D activation, excretion, absorption. | |
| Classify bones by type (long, short, flat, irregular, sesamoid) & major division (axial, appendicular) & give an example human bone for each. | |
| long bone | |
| short bone | |
| flat bone | |
| irregular bone | |
| sesamoid bone | |
| Identify the parts of a typical long bone’s structure, describing location & function of tissues (hyaline articular cartilage, compact & spongy bone, yellow & red marrow, connective tissue membranes). | |
| hyaline articular cartilage | |
| compact bone | |
| spongy bone | |
| yellow marrow | |
| red marrow | |
| connective tissue membranes | |
| osteogenic cell | |
| osteoblasts | |
| osteocytes, | |
| osteoclasts | |
| calcification | |
| hydroxyapatite | |
| Describe the histological structure & function of compact & spongy bone; compare & contrast these two types of osseous tissue. | |
| Trace the path of blood (oxygen/nutrients) from outside a typical long bone all the way to an individual osteocyte within an osteon near the periosteum. | |
| Explain the process of intramembranous & endochondrial ossification; distinguish type of tissue before ossification & types of bone formed by each process. | |
| intramembranous ossification | |
| endochondrial ossification | |
| Describe the process of bone growth in length & thickness, including epiphyseal plate changes & factors affecting this process. | |
| Describe the process of adult bone remodeling & effect of homeostatic imbalance between osteoclasts & osteoblasts. | |
| Explain the skeletal system-level physiology & interactions with other systems, including mineral homeostasis, support, protection, assistance in movement, blood cell production, lipid storage. | |
| Describe the structure & function of a typical synovial joint cavity & capsule, including ligament, labrum, menisci, bursa, fat pad. | |
| ligament | |
| labrum | |
| menisci | |
| bursa | |
| fat pad | |
| Explain the function of synovial membrane & synovial fluid. | |
| Identify the anatomical features & movements of the shoulder, elbow, hip & knee joints; compare range of movement in hip and shoulder joints. | |
| Explain how joints are classified structurally & functionally & give specific examples of each type in human body; define ligament, interosseous membrane, tendon, aponeurosis. | |
| ligament | |
| interosseous membrane | |
| tendon | |
| aponeurosis |