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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 |