Home > Flashcards > Economics > Epithelial Tissue

Details Title: Epithelial Tissue Description: glands/types/specializations Total Flash Cards: 36 Created: 05/19/2007 15:29:38	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term Simple Squamous Tissue Definition CVS endothelium Large cavities- mesothelium lung alveoli loop of henle bowmans capsule Term Simple Cuboidal Definition Kidney tubules sweat glands thyroid glands Term Simple Columnar Definition GI tract uterus/uterine tube collecting ducts of kidney Term Stratified squamous Definition Body openings oral cavity vagina esophagus KERATINIZED- skin Term Stratified cuboidal Definition testicular tubules large gland ducts graafian follicles Term stratified columnar Definition penile urethra conjuctiva of eye gland ducts Term pseudostratified columnar Definition gallbladder upper resp tract vas deferens epididymus Term Transitional epithelium Definition (uroepithelium) urinary bladder ureter renal pelvis prox urethra- prostatic urethra Term Specialized epithelium Definition glandular - all glands (stroma/farenchymal) pigmented- retina sensory- corti organ/taste bud/olfactory epithelium Term Occluding junctions Definition barriers of body tight junctions allow select diffusion of molecules cell-cell communication/smooth cardiac muscles Term adherent junctions Definition ZONULAR adherence link cytoskeleton of cells to eachother link actin filament networks between adjacent cells (alpha actinin/vinculin- cadherin (transmembrane protein to junction) Term Desmosomes Definition MECULA adherence connect intermed filaments of adj cells plaque on both sides Term Hemidesmosomes Definition 1 side plaque- connect cells to extracell matrix dermal/epiderm junctions Term Junctional Complex Definition Occluding junction/zonular adherence/mecula adherence SEEN in intestine epithelial cells Term Basement membrane Definition Type 4 collagen- crosslinked and rich in glycogen supported by retic fiber layer Term Funciton basement membrane Definition epithelial cells sit on- anchor epithelium to connect tissue maintain shape of cells acini may form body barriers Term Epithelial cell surface Specializations Definition Microvilli basolateral folds membrane plaques cilia Term Microvilli Definition cell membrane project up with actin filaments in core terminal web- inward projections of cell membrane Term basolateral folds Definition deep invagination of basilar lateral surface of cells -fluid/ion transport- cells with abundant mitochondria striped appearance- striated epithelial cells RENAL TUBULAR EPITHELIAL CELLS found in many secretory glands lateral folds found in small bowel mucosa Term Cilia Definition Hairlike projections move substances over mucous membrane -extension of cytoskeleton line resp tract/fallopian tube 9-2 formation 9 pair tubulins around pair microtubules (axoneme) nexinin link proteins dyenin arms cause bending Term Immotile cilia syndrome Definition right sided heart failure of sinus development failure clearing lung mucous infertility (immobile sperm) (failure of ovum pass fallopian tubes) chronic sinusitis chronic bronchitis Term glycocalyx Definition cell surface molecules lumen of tubular structure maintained allow free movement in large cavities cell recognition infection cause painful adhesions Term Secretory adaptations Definition Glands exocrine merocrine apocrine--breast holocrine--sebaceous endocrine Term types glands Definition mucos acinide- light (attach desmosomes) serus acinide - dark Term ducts of glands Definition small- simple cuboidal large- simple columnar main- stratified colunar/cuboidal epithelium Term protein secreting epithelial cells Definition good RER basal RER supranuclear golgi apical zone filled with packaged proteins for secretion Term mucin secreting cells Definition mix of glycoproteins/ proteoglycans lubricant/barrier good rer supranuclear golgi (protein glycosylation) large apical secretory vescicles STOMACH Term Steroid secreting cells Definition good SER free lipid in vacuoles prominent mitochondria Term Ion pumping cells Definition striated duct appearance due to basal folds SALIVARY GLAND Term Goblet cells Definition In secretory cells- between columnar GI TRACT mainly intestines Term epithelial tumors Definition surface: benigh- papilloma malignant- carcinoma gland: benign - adenoma malignant- adenocarcinoma Term hyperplasia Definition inc in cell number Term hypertrophy Definition increas in growth Term metaplasia Definition change in epithelial cell type from cell to cell Term dysplasia Definition deformed cell shape Term atrophy Definition reduction in cell size