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wccvettech histology
| term | definition |
|---|---|
| histology | study of tissues |
| tissue | cells, intercellular substances, tissue fluids |
| tissue types | epithelial, connective, muscle, nervous |
| Epithelial is | lining of body cavities, covering tissues, skin and organs |
| epithelial perfomrs | protection and secretion |
| epithelial shape | squamous, cuboidal, columnar, transitional |
| epithelial arrangement | simple; statified, pseudostratified |
| simple | one cell layer |
| stratified | 2 or more layers (protection0 |
| pseudostratified | appear stratified, are simple |
| squamous | thin, flat, irregular ex. lining of mouth |
| cuboidal | cube, ducts of kidneys |
| columnar | long thin, respiratory tract, fallopian tubes uterus |
| transitional | change shape, urinary bladder cube to squamous |
| simple squamous | little wear and tear and high osmosis, heart, blood vessels |
| stratified squamous | check cells, skins etc. |
| simple cuboidal | thyroid glands, ovaries, lens of eyes |
| transitional epithelium | lining of bladder |
| simple columnar | stomach, intestines |
| pseudostratified columnar | respiratory tract, male repro |
| glandular epithelium | exocrine, outside; endocrine, pituitary gland |
| Connective tissue | most abundant, highly vascular, binds and support other structure, small # of cells and large amts of inercellular subs. |
| Connective tissue types | proper, loose, dense, specialized: bone, cartilage, blood etc. |
| Connective tissue fibers | collagen, elastic, reticular |
| Loose connective tissue proper | areolar, adipose, hypodermis |
| adipose tissue | fat, insulation, protection, support, food storage, between organs |
| hypodermis | below the skin, cellulite |
| Loose connective tissue cells | fibroblast, fibrocyte form fibers and round substanse after injury |
| Plasma cells | from lymphocytes, anibodies |
| Dense connective tissue | tendons, ligaments, dermis |
| areolar tissue | collagen and elastin fibers, support blood vessels, nerves, Interal organs, binds muscle and skin to underlying tissue |
| adipose tissue | fat, insulation, protection, support food storage |
| hypodermis | below the skin (areolar and adipose) |
| collagen | tough, thick, ligaments, tendons |
| Ligaments | connect bone to bone |
| tendons | connect muscle to bone |
| elastic | thing fibers that stretch, bladder, lungs, stomack |
| reticular | thin, shiny refractile, translucent, binds smooth muscle and form framework, lymph noes, bone marros |
| fibrocyte | fibroblast, form fibers and ground substance after injury |
| macrophage | monocyte, phagocytosis |
| plasma cells | lymphocytes, anitboides, provide defense |
| mast cells | produce anitcoagulant, heparin as well as histamines |
| melanocytes | pigment cell |
| adipocytes | fat cells |
| leukocytes | granulocytes, agranulocytes |
| Proper | loose few fibers; dense many fibers |
| specialized | bone, cartilage, blood and lymph |
| specialized connective tissue | cartilage, bone |
| Cartilage general | shock absorber; avascular |
| cartilage hyaline | most common, smooth surface, at joints over long bones |
| cartilage white fibrous | in between veterbrae along the spine |
| cartilage elastic | provides strength and maintains shape of organs, epiglottis, pinna, auditory canal |
| bone tissue - osseous | skeletal system, protects, supports, movement, calcium and phosphoros storage, red marros |
| Osteoblasts | bone forming cell, osteocyte, located in the lacuna |
| spongy | bone, cancellous, inside |
| compact | bone, dense, outside of long bone, arranged in circles (haversian) |
| haversian system | basic unit of compact bone |
Created by:
wccvettech
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