15305425992 | Histology (microscopic anatomy) | the study of tissues and how they are arranged into organs | | 0 |
15305425993 | cell junctions | The connection between one cell and another (cell attachment) | | 1 |
15305425994 | Cell junction types | gap junctions, tight junctions, desmosomes | | 2 |
15305425995 | all cells except for what are anchored to each other or their matrix by intercellular junctions | blood | | 3 |
15305425996 | Gap junctions (communicating junctions) | binding of membrane permit chemical or electrical signals pass from cell to cell
-HEART MUSCLE | | 4 |
15305425997 | Tight junctions | Fusion of outer layer, Fluid tight seal, Difficult to pass through; found in the GI (digestive) and urinary tracts | | 5 |
15305425998 | Desmosomes | held together by network of filament, more like a snap on a pair of jeans | | 6 |
15305425999 | 4 primary tissues | epithelial, connective, muscle, nervous | | 7 |
15305426000 | epi | above | | 8 |
15305426001 | simple epithelium | single layer of cells | | 9 |
15305426002 | Stratified epithelium | several layers of cells | | 10 |
15305426003 | Squamous | thin and flat | | 11 |
15305426004 | Cuboidal | hexagonal | | 12 |
15305426005 | Columnar | tall and slender | | 13 |
15305426006 | Simple squamous epithelium | single layer of flat cells; rapid diffusion of substances; ALVEOLI (RESPIRATORY) ENDOTHELIUM (INNER LINING OF HEART AND BLOOD VESSELS) | | 14 |
15305426007 | simple cuboidal epithelium | Single row cube-shaped cells with microvilli;
Absorption and secretion, mucus production;
LIVER, THYROID GLAND, and KIDNEY TUBULES | | 15 |
15305426008 | simple columnar epithelium | Single row of tall narrow cells; absorption and secretion, mucus secretion; LINING OF DIGESTIVE TRACT | | 16 |
15305426009 | Pseudostratified epithelium | Single row of cells some not reaching free surface, gives layer stratified look; TRACHEA (RESPIRATORY) | | 17 |
15305426010 | pseudo | false, fake | | 18 |
15305426011 | Two kinds of stratified squamous epithelia | keratinized and nonkeratinized | | 19 |
15305426012 | Keratinized | found on skin surface, abrasion resistant | | 20 |
15305426013 | nonkeratinized | lacks surface layer of dead cells | | 21 |
15305426014 | keratinized stratified squamous -EPITHELIUM | Multilayered epithelium covered with dead squamous cells, packed with keratin
(epidermal layer of skin); delay water loss and barrier to organisms | | 22 |
15305426015 | nonkeratinized stratified squamous-EPITHELIUM | multilayered without surface layers of dead cells; TONGUE ORAL MUCOSA ESOPHAGUS VAGINA | | 23 |
15305426016 | stratified cuboidal epithelium | Two or more cell layers(surface cells square)
Secretes sweat, produces sperm and ovarian hormones; SWEAT GLAND DUCTS | | 24 |
15305426017 | transitional epithelium | Multilayered epithelium surface cells that change from round to flat when stretched
allows for filling of urinary tract
URETER and bladder | | 25 |
15305426018 | connective tissue divided into 3 classes | fibrous connective tissue, supporting connective tissue, fluid connective tissue | | 26 |
15305426019 | connective tissue consists of | cells, fibers, ground substance (fluid) | | 27 |
15305426020 | connective tissue functions | -connects organs
-gives support and protection (physical and immune)
-stores energy and produces heat
-movement and transport of materials | | 28 |
15305859541 | fibroblasts | produce fibers and ground substance | | 29 |
15305859542 | Macrophages | activate immune system | | 30 |
15305859543 | Leukocytes | white blood cells | | 31 |
15305859544 | plasma cells | produce antibodies | | 32 |
15305859545 | mast cells | releasing substances, including heparin and histamine | | 33 |
15305859546 | herapin | prevents blood clotting | | 34 |
15305859547 | Histamine | dilates blood vessels | | 35 |
15305859548 | Adipocystes | store triglycerides | | 36 |
15305859549 | collagen fibers | white fibers; deep layer of the skin | | 37 |
15305859550 | reticular fibers | SPLEEN AND LYMPH NODES | | 38 |
15305859551 | elastic fibers (yellow fibers) | SKIN, LUNGS AND ARTERIES | | 39 |
15305859552 | loose connective tissue | areolar, adipose, reticular | | 40 |
15305859553 | dense connective tissue | dense regular and dense irregular | | 41 |
15305859554 | areolar tissue | Loose arrangement of fibers and cells in abundant ground substance, SURROUNDS BLOOD VESSELS AND NERVES | | 42 |
15305859555 | reticular tissue | -Loose network of reticular fibers and cells
-Forms framework for lymphatic organs
-Found in lymph nodes, spleen, thymus and bone marrow | | 43 |
15305859556 | adipose tissue (fat) | empty looking cells ; energy storage insulation and cushioning | | 44 |
15305859557 | white fat | main type (only fat in adults) | | 45 |
15305859558 | brown fat | produces heat | | 46 |
15305859560 | dense regular connective tissue | -Densely packed, parallel collagen fibers
-Compressed fibroblast nuclei
-Tendons attach muscles to bones and ligaments hold bones together | | 47 |
15325621476 | Dense irregular connective tissue | Densely packed, randomly arranged, collagen fibers and few visible cells
Locations: DERMIS (deep layer of skin) | | 48 |
15325621477 | supportive connective tissue types | cartilage and bone | | 49 |
15325621478 | different types of cartilage | hyaline, elastic, fibrocartilage | | 50 |
15325621479 | hyaline cartilage | clear, glassy appearance because of fineness of collagen fibers
found in: ARTICULAR CARTILAGE (end of long bones), COSTAL CARTILAGE (ribs), TRACHEA, LARYNX, FETAL SKELETON | | 51 |
15325621480 | elastic cartilage | abundance of elastic fibers
provides flexible elastic support
EXTERNAL EAR and EPIGLOTTIS | | 52 |
15325621481 | Fibrocartilage | large coarse bundles of collagen fibers
resists compression and absorbs shock
found in: PUBIC SYMPHYSIS(pelvic), INTERVERTEBRAL DISCS (vertebrae) | | 53 |
15325621482 | osseous tissue | bone tissue; a calcifies connective tissue | | 54 |
15325621483 | Two forms of osseous tissue | spongy bone and compact bone | | 55 |
15325621484 | spongy bone | spongy in appearance | | 56 |
15325621485 | compact bone | solid in appearance | | 57 |
15325621486 | Bone Tissue (compact bone) | Calcified matrix in lamellae around central canal
;Osteocytes in lacunae between lamellae
FUNCTION: Skeletal support; leverage for muscles; mineral storage | | 58 |
15325621487 | Fluid Connective Tissue: Blood | some with nuclei; found in heart and blood vessels; variety of cells and cell fragments | | 59 |
15325621488 | fluid portion of blood | plasma | | 60 |
15325621489 | Erythrocytes | red blood cells | | 61 |
15325621490 | Platelets | blood clotting | | 62 |
15325621491 | Leukocytes | WBC; defense immune system | | 63 |
15325621492 | nerve tissue | Specialized for communication by electrical and chemical signal | | 64 |
15325621493 | neurons | nerve cells | | 65 |
15325621494 | Neuroglia | glial cells | | 66 |
15325621495 | elongated cells that are Specialized to contract in response to stimulation | muscular tissue | | 67 |
15325621496 | 3 types of muscle tissue | skeletal, cardiac, smooth | | 68 |
15325621497 | skeletal muscle | voluntary, striated, long, unbranched cells with multiple peripheral nuclei; covers bones | | 69 |
15325621498 | cardiac muscle | Involuntary muscle tissue found only in the heart. | | 70 |
15325621499 | smooth muscle | Involuntary muscle found inside many internal organs of the body; only 1 central nucleus | | 71 |
15325621500 | exocrine glands | Ducts that carry products OUT (EXITS) to the epithelial surface | | 72 |
15325621501 | endocrine glands | secrete hormones directly into the bloodstream | | 73 |
15325621502 | simple glands | unbranched duct | | 74 |
15325621503 | compound glands | branched duct | | 75 |
15325621504 | Shape of gland | acinar, tubuloacinar | | 76 |
15325621505 | serous glands | produce thin, watery secretions | | 77 |
15325621506 | mucous glands | secrete mucins | | 78 |
15325621507 | cytogenic glands release | -whole cells
-sperm and egg cells | | 79 |
15325621508 | Three methods of secretion | merocrine, apocrine, holocrine | | 80 |
15325621509 | Holocrine | secretory cells begin to burst and product released | | 81 |
15325621510 | merocrine glands | release fluid by exocytosis | | 82 |
15325621511 | apocrine glands | merocrine glands with confusing appearance | | 83 |
15325621512 | epithelial and connective tissues combine to form______ to cover and protect other structures and tissues in the body | membranes | | 84 |
15325621513 | 4 types of membranes | mucous, serous, cutaneous, synovial | | 85 |
15325621514 | tissue growth | increasing the number of cells or size of existing cells | | 86 |
15325621515 | Hyperplasia | increase in cell number | | 87 |
15325621516 | hypertrophy | increase in cell size | | 88 |
15325621517 | Neoplasia | development of a tumor | | 89 |
15325621518 | Metaplasia | changing from one type of mature tissue to another | | 90 |
15325621519 | Tissue Shrinkage and Death | atrophy, necrosis | | 91 |
15325621520 | tissue repair | regeneration and fibrosis | | 92 |
15325621521 | Changes in Tissue Types | differentiation and metaplasia * tissues can change types within certain limits* | | 93 |