7902431506 | keratinocytes | produce keratin for strength | 0 | |
7902435286 | melanocytes | contribute to skin color. melanin produced by these cells then transferred to keratinocytes | 1 | |
7902438728 | Langerhans cells | part of the immune system | 2 | |
7902440095 | merkel cells | detect light touch and superficial pressure | 3 | |
7902442086 | keratinization | cells move outward through the layers they fill with keratin, die, and serve as a layer that resists abrasion and forms permeability layer | 4 | |
7902448810 | stratum basale | deepest portion of epidermis and single layer. high mitotic activity and cells become keratinized | 5 | |
7902452363 | stratum spinosum | limited cell division. desmosomes. lamellar bodies and additional keratin fibers | 6 | |
7902456167 | stratum granulosum | contains keratohyalin. in superficial layers nucleus and other organelles degenerate and cells dies | 7 | |
7902460644 | stratum lucidum | thin clear zone. found only in palms and soles | 8 | |
7902462613 | stratum corneum | most superficial and consists of cornified cells | 9 | |
7902476083 | melanin | provides for protection against UV light. | 10 | |
7902478944 | albinism | deficiency or absence of pignment | 11 | |
7902482393 | carotene | yellow pigment from vegetables | 12 | |
7902488017 | cyanosis | blue color caused by decrease in blood oxygen content | 13 | |
7902494923 | papillary | superficial. areolar with lots of elastic fibers. dermal papillae, capillary beds. fingerprints. touch receptors, nerve endings | 14 | |
7902501146 | reticular | deep. dense irregular C.T. collagen and elastic fibers. | 15 | |
7902504730 | cleavage lines | elastic and collagen fibers oriented in some directions more than in others | 16 | |
7902508069 | striae | stretch marks | 17 | |
7902588318 | holocrine | death of secretory cells | 18 | |
7902615499 | eccrine glands | simple coiled tubular glands. open directly onto surface of skin. coiled part in dermis. | 19 | |
7902615500 | apocrine | active at puberty. compound coiled tubular, usually open into hair follicles superficial to opening of sebaceous gland | 20 | |
7902625821 | eponychium (cuticle) | is corneum superficial to nail body | 21 | |
7902627400 | hyponychium | is corneum beneath the free edge | 22 | |
7902707208 | excretion | removal of waste products from the body | 23 | |
7902733118 | chondroblasts | form matrix | 24 | |
7902733148 | chondrocytes | surrounded by matrix are lacunae | 25 | |
7902734694 | perichondrium | double layered c.t. sheath covers cartilage except at articulations | 26 | |
7902737423 | articular cartilage | covers bones at joints | 27 | |
7902747116 | ossification | formation of bone by osteoblasts | 28 | |
7902749467 | osteocytes | mature bone cells | 29 | |
7902749468 | lacunae | spaces occupied by osteocyte cell body | 30 | |
7902751114 | canaliculi | canals occupied by osteocyte cell processes | 31 | |
7902753783 | osteoclasts | resorption of bone | 32 | |
7902756410 | remodeling | removing old bone and adding new | 33 | |
7902760291 | trabeculae | interconnecting rods or plates of bone | 34 | |
7902779058 | fontanels | large membrane covered spaces between developing skull bones | 35 |
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