A&P lab2 Word Scramble
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Question | Answer |
connective tissue | connective tissue proper, cartilage, bone, blood |
fibroblasts | secretes matrix |
matrix | ground substance + fibers |
ground substance | liquid, semisolid, gel-like or very hard |
fibers | provide support |
collagen fibers | white |
elastic fibers | yellow |
reticular fibers | fine collagen |
areolar loose CT fx | wraps & cushions organs, macrophages, inflammation, holds fluid |
areolar loose CT loc | under epithelium, packages organs, surrounds capillaries |
adipose loose CT fx | reserve fuel, insulates, protects |
adipose loose CT loc | under skin, around kidneys & eyeballs, abdomen, breasts |
reticular loose CT fx | forms stroma, supports immune cell types |
reticular loose CT loc | lymphoid organs |
dense regular CT fx | attaches muscles to bones or muscles, withstand strength in one direction |
dense regular CT loc | tendons, most ligaments, aponeuroses |
dense irregular CT fx | tension in many directions, strength |
dense irregular CT loc | fibrous capsules of organs & joints, dermis, submucosa of digestive tract |
dense elastic CT loc | aorta |
chondrocytes | produce matrix when mature |
lacunae | holds chondrocytes |
hyaline cartilage fx | supports & reinforces cushioning, resists compressive stress |
hyaline cartilage loc | embryonic skeleton, ends of long bones, costal cartilage, nose, trachea, larynx |
elastic cartilage fx | maintains structure while maintaining flexibility |
elastic cartilage loc | external ear (pinna), epiglottis |
fibrocartilage fx | tensile strength & absorb compressive shock |
fibrocartilage loc | intervertebral discs, pubic symphysis, discs of knee joint |
osteocytes | bone cells lie in lacunae |
integumentary system | protection, insulation, cushioning, waterproofing, regulates heat loss, extretion, synthesis of Vitamin D, sensory organs |
keratinocytes | most abundant of epidermal cells - make keratin |
keratin | fibrous protein that gives epidermis its durability and protective capabilities |
melanocytes | spidery black cells that produce melanin |
melanin | provides a protective pigment umbrella over the nuclei of keratinocytes to shield from DNA damage |
laters of epidermis | stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum |
stratum basale | deepest layer, mitosis |
stratum spinosum | look spiky |
stratum granulosum | lamellated granules & keratohyaline granules |
stratum lucidum | translucent band, only in thick skin |
stratum corneum | 20-30 cell layers, dead cells |
dermis | pipillary & reticular regions |
papillary layer | more superficial, made up of areolar CT |
dermal papillae | fingerlike projections of papillary layer |
reticular layer | deepest skin layer, dense irregular CT, contains arteries, veins, sweat & sebaceous glands, Pacinian corpuscles |
hypodermis | adipose tissue layer under dermis |
arrector pili | goosebumps |
sebaceous glands | oil glands, produces sebum |
sebum | oily substance that lubricates |
sudoriferous glands | sweat glands, all over body, outlets at pores |
eccrine glands | all over, produce perspiration (H2O, salts, urea), regulates heat |
apocrine glands | axillary & genital areas (milky protein & fat plus rich substance) |
Meissner's Corpuscle | touch receptors in papillary layer |
Pacinian Corpuscle | deep pressure receptors in reticular layer |
Created by:
launawe
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