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lecture quiz
#5
Question | Answer |
---|---|
extracellular matrix of the epidermis | basement membrane |
only epidermal layer when kerationcytes divide | stratum basale |
keratinocytes accumulating keratin and desmosomes | stratum spinosum |
dark vesicles accumulate bonding proteins and glycolipids | stratum granulosum |
moist and incompletely keratinized dead cells of thick skin | stratum lucidum |
dead, relatively dry , keratinocyte cytoskeleton | stratum corneum |
defined as the most superficial stratified squamous epithelium | epidermis |
layer of areolar connective tissue that has bump shapes | papillary layer of dermis |
thickest continuous layer of dense connective tissue in skin | reticular layer of dermis |
layer deep to skin dominated by continuous adipose tissue | hypodermis |
wall of hair follicle composed of keratinocytes next to lumen | epithelial root sheath |
outer dense connective tissue layer of a hair follicle | fibrous root sheath |
bump of areolar connective tissue with keratinocytes on its surface | dermal papilla |
entire hollow organ specialized to develop and shed hair | hair follicle |
keratinized part of hair composed of dead cytoskeleton | hair shaft |
pigment producing cell of the stratum basale and papillary layer | melanocyte |
light touch receptor cell of epidermis | tactile disc cell (Merkel) |
heavy touch or vibration receptor organ in reticular layer of dermis | lamellar corpuscle |
secretes clear product by exocytosis in all skin regions | merocrine sweat glands |
secretes cloudy product with pheromones in axillary and pubic skin | apocrine sweat glands |
secretes earwax | ceruminous gland |
secretes oil in all skin regions | sebaceous glands |
muscle that raises hair | arrector pili |
detects damage or temperature changes and sends sensory signals | free nerve ending |
blood clotting | hematoma formation |
response to signaling from mast cell | inflammation |
replacing blood clot with normal tissue | granulation |
reforms pre existing structures and function | regeneration |
replace original structures with dense connective tissue | fibrosis |
concentric lamellae around soft tissue in canal of compact bone | osteon |
fibrous layer lining superficial surface of compact bone | periosteum |
bony struts found in spongy bone | trabeculae |
shock absorbing tissue this is part of synovial joint and bone | articular cartilage |
hyaline cartilage that makes long bone loner | epiphyseal plate |
layer of bone stem cell, osteoblast, and osteoclast next to bone marrow | endosteum |
all parts of mature bone | diaphysis |
empty space that contains adipose tissue in long bone | medullary cavity |
collagen fibrils of periosteum | perforating fibers |
holes in the deepest part of the osteons | central canals |
smaller than cell holes going through ossified matrix in bone tissue | canaliculi |
repeating layers of extracelluar matrix | lamellae |
stems cells that can differentiate into a variety on bone cells | osteoprogenitor cells |
cells specialized for growth | osteoblast |
bone cells specialized to digest | osteoclast |
one cells in bone tissue | osteocytes |
cells in perichondrium for growth in cartilage | chondroblast |
blood vessels, nerves, and adipose tissue found deep in long bones | yellow bone marrow |
organ with articular cartilage, periosteum, osteons, and trabeculae | bone |
organ with perichondrium, chondroblast and chondrocytes | cartilage organ |
fracture hematoma formation | |
paracrine response | inflammation |
replacement of hematoma with cartilage | fibrocartilaginous callus formation |
endochondral ossification of cartilage | bony callus formation |
change bone shape | remodeling |
in sunlight keratinocytes can synthesize what precursor | vitamin d |
nature of blood vessels in the epidermis | avascular |
short and long bone classification | shape |
shape class of vertebra, sacrum, scapula | irregular bone |
patella | sesamoid bone |
epidermal calluses is formed by | keratinization |
blood cells and platelets are formed by | hematopoiesis |
what can make skin look yellow | carotene |
what makes skin and hair look brown | melanin |
what makes skin look pink | hemoglobin |
what organ connects bone to bone | ligaments |
organ level material that contains osteons, canals, vessels and nerves | compact bone |