APC 100 / NPB 123 Midterm 1 | 100% Correct Answers | Verified | Latest 2024 Version

What is the largest organ in the body? - skin Name 7 functions of the skin - Protection, secretion, excretion, thermoregulation, metabolism, sensation, respiration Name the top layer of the skin - epidermis Name the middle layer of the skin - dermis Name the bottom layer of the skin - hypodermis Name the layers, in order, of the epidermis - stratum corneum, lucidum, granulosum, spinosum, basale Which layer of the epidermis is made of dead cells? - stratum corneum Which layer of the epidermis is constantly shedding? - stratum corneum Which layer of the epidermis is only found in thick or hairless skin? - stratum lucidum Which layer of the epidermis has more proteins and lipids? - stratum lucidum Which layer of the epidermis creates keratohyaline granules as cells die? - stratum granulosum Which layers of the epidermis has the cell transformation phase? - stratum granulosum, stratum spinosumWhat special structure helps with attachment in the stratum spinosum? - desmosomes Which layer of the epidermis determines the thickness? - stratum spinosum What are the two possible shapes of cells in stratum basale? - columnar, cuboidal What are the intermediate filaments in statum basale that bind to basal lamina? - hemidesmosomes Which epidermal derivative distinguishes birds from all other vertebrates? - feathers ____ have dermal scales, whicle _____ have epidermal scales - Fish, reptiles Horn growth is _____ while antler growth is _____ -