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Question: epithelial Answer: covers body surfaces or tissues and lines body cavities in order to protect and control permeability, forms glands for secretion, gametes for , and some sensory tissues (smell, hearing, vision, touch) Question: general of epithelial tissueAnswer: closely packed cells with little or no interstitial material (cells are bound to eachother by cell junctions such as tight junctions,desmosomes, and gap )cells are arranged in continuous sheets (single or multi-layered) polarity 1 free (apical) s Question: closely packed cells with or no interstitial material is characteristic of...Answer: tissue Question: cells are arranged in continous sheets single or -layered is characteristic of..Answer: epithelial Question: polarity- 1 free (apical) side of cell faces an open area and the opposite surface (basal) lays on a non-living membrane" is characteristic of...Answer: tissue Question: avuscularityAnswer: no blood Question: is characteristic of...Answer: epithelial Question: high regenerative capacity is of..Answer: tissue Question: of shapes from flat (squamous) to columnar is characteristic of..Answer: epithelial Question: simple squamous Answer: single, falt layer as in tiled floorfound where rapid movement of materials across is important, Question: endotheliumAnswer: heart, blood and lymphatic vessels, forms capillary walls Question: mesotheliumAnswer: lines thoracic and abdominopelvic , covers organs within these cavities Question: simple epitheliumAnswer: as closely fitted polygons, function in secretion and absorption, Question: columnar epitheliumAnswer: cells are rectangular with nuclei near basefunction in absorption and secretionfree surface is often modified with microvilli, cilia, or as cells Question: simple epithelium ex.Answer: air sacs of lungs, filtering part of Question: cuboidal epithelium ex.Answer: lining kidney tubules, secreting of glands and their ducts Question: columnar epithelium ex.Answer: lining the digestive tract from the stomach to rectum, upper tract, lining ventricle of brain Question: psudostratified columnar Answer: appearance is that of multilayered tissue, but it is not-cells are different heights and nuclei vary in their levels, may be Question: columnar epithelium ex.Answer: lines major portions of upper respiratory and certain ducts of male reproductive system Question: squamous epiitheliumAnswer: superficial layers, cells are flat deeper cells, vary from cuboidal to columnarfunctions in protective rolekeratinized (outer layer of cells is filled with the protei keratin which protects against heat, , and chemicals, resistant to friction)non Question: cuboidal epitheliumAnswer: raregenerally only 2 layersfunctions for Question: stratified cuboidal Answer: of sweat glands, male urethra Question: stratified epitheliumAnswer: raresurface are columnar, underlying cells varyfunctions for protection and secretion Question: stratified epitheium ex.Answer: urethra, of salivary glands, milk ducts in mammary glands Question: transitional Answer: much like a cuboidal epitheliumbasal cellsare cuboidal, surface cells are dome shaped or squamous liketissue can be stretched without pulling cells apart Question: transitional exAnswer: the ureters, urinary bladder Question: glandular epithelium 2 types of Answer: glandsexocrine glands Question: endocrine Answer: secrete into the blood stream Question: glandsAnswer: secrete products into a duct or Question: serous Answer: a solution contining enzymes Question: glandsAnswer: glycoproteins that and lubricate Question: mixed Answer: and mucous (saliva) Question: holocrineAnswer: cell ruptures Question: holocrine Answer: sebaceous (oil) of skin Question: Answer: apex of cell is off Question: ex.Answer: mammary Question: Answer: most common, secretion by Question: ex.Answer: , salivary, and sweat glands Question: unicellularAnswer: no duct is used (goblet ) Question: multicellular-simple or Answer: -duct is unbranched although secretory part might becompound-duct branches Question: simple Answer: tubular (intestines, )acinar-secretory part is rounded or flask-shaped (male reproductive tract, sebaceous (oil) glands) Question: multicellularAnswer: (kidneys, liver, testes)acinar (pacreas)tubuloacinar (salivary) Question: tissueAnswer: most tissue, found everywhere Question: function of tissueAnswer: binds, supports, other tissues, protects, insulates, compartmentalizes structures, transports (blood), immunity Question: general characteristics of connective Answer: vascularization varies from none to muchcells are scattered with a secreted non-living intercellular matrix found between them Question: Answer: may be to firm to rigid Question: ground substance of Answer: glycosaminoglycans such as acid Question: fibers of Answer: collagenous, , reticular Question: collagenous Answer: tough, , thick bundle of fibers formed by many subunits wound together like a rope; flexible and strong Question: Answer: and wavy, yellow, made of protein elastin which gives it elastic properties Question: reticularAnswer: thin, a type of thin fibers, forms networks Question: cells in tissueAnswer: fibroblasts, chondroblasts, osteoblastsform the ground substance and produce the Question: cell types in various c.t.'sAnswer: -mature formfat cells-adipocytesmesenchymal cells Question: non c.t. Answer: macrophages-engulf debris and bacteriaplasma cells-form antibodiesmast cell-releases which initiates inflammatory responses Question: types of connective Answer: embryonic, tissues proper Question: embryonicAnswer: mesenchyme (source of all other connective ), mucous connective tissue (located in the umbilical cord of a fetus) Question: connective properAnswer: more or less fluid matrix with all three of fibers and many cell types scattered througout the matrix Question: loose connective Answer: areoloar-universal material, adipose, reticular Question: areoloar Answer: ground substance, all 3 fiber types loosely arranged, most of the cell types listed Question: (fat)Answer: padding, cushions shock, insulator against heat loss, packing, filling and functions Question: characteristicsAnswer: store triglycerides occupy majority of cell volumefound anywehre areolar tissues is located Question: characteristicsAnswer: forms framework of many , liver, spleen, lymph nodes, and bone marrowanalogy is the honeycomb Question: connective tissuesAnswer: much higher density of fibers and cellsdense regular, dense irregular, elastic connective tissue Question: regularAnswer: collagenous fibers arranged in same tendons and most ligaments Question: irregularAnswer: collagen fibers are interwoven to provide strengtrh in tissues pulled in different directionsmembranes around kidney, , liver, testes, deep fascia, periosteum, dermis of the skin Question: elastic connective Answer: elastic fibers outnumber collagenous fibersvery elastic in propertyvocal chords in , walls of arteries, trachea, bronchial tubes, ligaments between vertebrae Question: c.t.'sAnswer: cartilage, bone, , muscle tissue, nervous tissue Question: cartilage Answer: matrix more gel-like due to chondroitin sulfates dense collagenous and elastic fibers, no blood vessels, no nerve fiberscells are and chondrocytes and are found embedded in matrix in lacunae (spaces) Question: cartilageAnswer: flexibility and supportbluish-white, glossy fibrils dispersed, most abundant cartilage, found at joints of long , embryonic skeleton, helps form nose, larynx, trachea, bronchi Question: Answer: strength and rigiditycourse collagenous make it rigidsymphysis of pubic and discs between vertebrae Question: elastic Answer: strength and stretchnumerous fibers make it very flexible, maintains shape of organs, epiglottis, external ear, auditory tubes Question: Answer: intercellular matrix contains mineral salts (calcium phosphate and calcium carbonate) which makes it quite (osteoblasts and osteocytes) are in lacunae which are often arranged in concentric layers called lamellae Question: connective tissuesAnswer: , lymph Question: blood connective Answer: 3 types of , red, white, and platelets surrounded by fluid intercellular material Question: lymph connective Answer: fluid which forms as interstitial fluid enters special ...cells are almost entirely lymphocytes Question: membranesAnswer: flat of flexible tissue that line or cover structures Question: membranesAnswer: combination of epithelial layer and underlying tissue layer Question: membraneAnswer: lines body cavities open to exterior (digestive, respiratory, , reproductive) Question: membraneAnswer: lines body cavities not open to exterior and organs within those cavities Question: Answer: system Question: synovial Answer: areoloar connective tissue with elastic fibers and fat-line the of joints, no epithelium Question: muscle 1 basic functionAnswer: Question: three types of muscle Answer: skeletal, , or voluntaryvesceral, smooth, or involuntarycardiac Question: skeletal, , or voluntaryAnswer: cells are large, cylindrical in shape and multinucleatedcells are into distinct muscle groups and are associated with tendons Question: , smooth, or involuntary (associated with organs)Answer: cells are , tapered at the ends and are mononucleated Question: Answer: striated, involuntary, found only within the walls of the heart, cells are cynlindrical and striated but usually feature is that cells are interconnected by branches Question: nervous Answer: functioning cells are neurons, cells are neuroglial cells Question: neuronsAnswer: scarttered and by support cellstransmit electrical impulses for the purposes of communication and control Question: cellsAnswer: provide physical protection and involved in the transmission of impulses |
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