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test #2
Stack #163161
| Question | Answer |
|---|---|
| Epithelial Tissue | Covers surfaces, glands, tubes |
| Connective Tissue | support/bind tissue, energy reserves, immunity |
| Muscular Tissue | Movement |
| Nervous Tissue | Communication, coordination, activities |
| Squamous epitheium | flat rapid passage of substances |
| Cuboidal epithelium | square, secretion/absorption |
| Columnar epithelium | taller, more protection, secretion/absorption, may have vili or cilia |
| Transitional epithelium | changes shape, cubodial to flat, stretch, in bladder |
| Simple epithelium | single layer, diffusion, osmosis, filteration, secretion, absorption |
| Simple squamous | lines heart,aveoli,blood vessels |
| Simple columnar | some cuboidal, ovaries,secretary part of glands, thyroid |
| Ciliated | move mucus/particles |
| Ciliated simple columnar epithelium | tracheal,upper repiratory tract |
| Gladular epithelium | specialized epithelium |
| Glands | secretes substance |
| Endocrine glands | secrete into interstital fluid and diffuse pituitary, hormone, adrenals, thyroid |
| Exocrine glands | secrete into ducts ( mucus, perspiration, milk, saliva, digestive enzymes) |
| Collagen fibers | very strong, 25% protien in body, in most connective tissue, vit. C, MSM |
| Elastic fibers | smaller, stretch 1 1/2 x length and return, elastin |
| Reticular fibers | support walls of vessel, organ framework, thin fibers, basement membrane |
| Loose connective tissue | keep blood vessels in place |
| Areolar | subcutaneous, mucous membranes, around blood vessels |
| Adipose | fat, triglyceride storage |
| Reticular connective tissue | binds smooth muscle, liver, spleen, lymphnodes |
| Dense connective tissue (Regular) | tendons, ligaments, aponeurosis attatchments |
| Dense connective tissue (Irregular) | fascia, deep dermis periosteum, joint/organ capsules |
| Elastic connective tissue | lung,arteries, bronchides, vocal cords, ligaments between vertebrae |
| Hyaline cartilage | ends of long bones, ribs, nose, larynx, trachea |
| Fibro cartilage | pubis symphysis, IVD, menisci |
| Elastic cartilage | ear, epiglottis, eustachian tubes |
| Muscle (Skeletal) | attatch to bones, straited, voluntary |
| Muscle (Cardiac) | heat, intercalated disc, involuntary, straited |
| Muscle (Smooth) | non-straited, invouluntary, bladder |
| Mucous membrane | line cavity open to exterior |
| Serous (pleura, peritoneum, pericardium) membrane | line closed cavity (pleura in the lungs, pericardium |
| Keratinocytes | produces keratin, water repellant/sealant, 90% of cells |
| Melanocytes | pigment melanin, 8% of cells, absorb UV light |
| Langerhan's Cells | immune cells, damaged by UV light |
| Merkel Cells | tactile sensation, touch, hot cold etc |
| Papillae | fingerlike projections, contain, A,V, and N. Meisner's sorpuscles and free nerve endings |
| Meisner's corpuscles | touch |
| Free nerve endings | warm, cool, pain, tickle, itch |
| Epidermal layers | slowly pushed to surface |
| Stratum basale (stratum germinativum) | deepest, cuboidal/columnaer, keratinocytes, single layer, some stem cells- continually produce keratinocytes |
| Stratum soinosum | 8-10 layers, keratinocyes close together |
| Stratum granilosum | 3-5 layers, keratinocytes in apoptosis keratin present to decrease water loss |
| Stratum lucidum | thick skin. palms/soles of the feet/fingers 3-5 layers, flat, dead kreatinocytes and keratin |
| Stratum corneum | 25-30 layers, continually shed, interior of cells mostly keratin, callus formation- increase number of layers from friction |
| Accessories to the skin | dead keratinized cells |
| Hair | most surface except palms, soles |
| Follicle | Sheath around hair, has nerves |
| Arrector pilli | Smooth muscle from dermis to follicle |
| Alopecia | Hair loss |
| Androgenic alopecia | male pattern baldness |
| Root | in epidermis |
| Shaft | superficial part |
| Sebaceous gland | oil, most connected to hair follicle, make sebum, protect skin, blackhead, pimple, boil |
| Sudorifeous glands | eccrine, water, ions, urea, uricacid, ammonia, glu, lac, a.a, reg. temp, in deep dermis, temperature regulation |
| Apocrine glands | sex, excitement, axilla/groin, subcutaneous, open to hair follicle, more fat and protien than eccrine, emotional stress |
| Ceruminous glands | earwax, sticky barrier to foreign matter |
Created by:
vanessamay21
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