Tissues AP1

Epithelial Tissues Simple Squamous Thin, flat calls Function: allew fitration Location: kidnay (Bewman's capsule), Mvati (lungs), blood vessel lknings Kaatinized Stratified Squamous Epithelium Function: pratation in the skin Feature: layers of keratin filled cells for toughness. "Lation: Skin suilact Simpic Cubtidal Epithelium Cube-shaped cells Function: absorption and seaction Location: Kidney tubades, Thyrnid, Ducts Nen-keratinized Stratified Squamous Epithelium Feature: Lacks keratin, renvains moist and fleable Funchen: Protection Location: trunge, mouth, esophagus, vaginal canal Simple Columnar Epithelium tall, Column shaped cens Function: absorption and secretion "Location: lining of digestive tract, intestines Transitional Epithelium Tunction: stretch and reail without tearing Lication: Urinary bladder, uterus pseudostratified likaled Columnar El Funchen: protection of undarlying tistues by forming a bama moves mucus and particles Lication: respiratory tract (trachea and bronchi) Stratified Squamous Connelive Tissues Dense Regular Commctive listul Densely packed, big pink collagen fibas, wavy Function: Provides connection between diff. tissues Location: tendens (muscle to burne), ligaments (berne to bone) Collagen longitudinal fibroblast Cells (scarce) cross-section Dense Irregular Connective Tissue Collagen fibers in ultiple directions Function: Strength and resistance to tearing Locations dermis of skin, fibrous Capsules of ergans juints blad Elashc high concentration of elastic fibers function stretch and recoil Location: walls of large antcrieslaorta), ligaments in vertebra, bronchial tubes Cartilage Connective Tissues Elass Hyalme Cartilage Clem matrix with very billle collagen Chondriages in lacunet Function: reduces friction and abarty shock betucen bones and junts Location: nose, trachea, larynx, costal cartilage (ribo), ends of banes ar joints Fibrecanilage strong due to amount of collagen fibers in matrix Functith: abstils shick tensile strength Lication: intervertebral discs, knee Acrotav (Loose) Connective Tissue "Mode of scattered cells w/ collagen + elastin fills spaces, surrounds organs, bleued ves, neces Function: hlas organs in piace by attaching pithelial tissues to underlying tissues Location: under epithelial layers, arund capillaries, bhan mercks Adipose (Louse) Covinective Tissue (fat) very litte ECM; cach call has a droper of fat *Function: cushions & insulates, stores cnagy in fal Locahon: under Skin, around Kidneys, eyes, palms, abdemen au Reticular (Loose) Connective Tissue Delicate matrix of reticular fibers and filamblast's Function: forms framework of ergans binds smoot어 muscle cells together Location: lymph nodes, spreen, sett structures of kiver Elastic Cartilage Contains many single elastin fibers in mattix Function: fleable support, maintens shape Lucanin: Cxternal cat, epiglottes Connetive Tissues Bone Connective TISSUC Ostelagtes in a non-living matrix llard yet strong and light Composed of several types of cons *Osteoclasts, osteoblasts, and osteocytes Eells responsible for remodelling and maintaining the skeletin "Function: serves as a framework for the body (skekran) Blood "llas a liquid matrix contained with vessels Fibers in matrix are soluble protans that preapitale during clotting Contains 3 types of culs Engthreaytes (rbe) Leukocytes (wbe) thrombocytes (platelets) fundion: transports D₂ /nutrients to cells and CO₂/wastes away from cel Musch Tissues Basics: * Highly vascularized Cells have straition * Nudel sometimes lit outside cells * Primary job: movement Involuntary (smooth cardiac) Voluntary (skckial) Cardiac Muscle Branched clls joined with intercalated discs Faint striations -Involuntary Found ONLY in heart Smooth Muscle Tapered cells Non-straited Involuntary Makes up inner walls of organs. Skeicial Muscle Cells with multipt nucki Suaited "Voluntary found attached to bene nuelci Stratious Nervous Tissue Basics: * Avascular main component of brain and spinal cord * made of 2 Kinds of cells conducting now conducting ↑ ↓ Nuviglian -conducts impukts protects and supports neurons *Specialized tissue fund in Central nervous System (CNS) Peripheral nervous system (PNS) Krunction: regulate and control body functions Neurons Branching all long cytoplasmic extension Consists of dendrites, cell bedy, and geen Location: brain, spinal cord, naves Function: conduct impulses nucleus dendrites arch L Cell body Axinal terminals Sheath