A & P Tissues
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| What are the 2 types of Merocrine Glands? | Serous and Mucous
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| What are the 3 types of Exocrine Glands? | Merocrine, Apocrine and Holocrine
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| Glandular Epithelium consist of? | Secretory columnar and cubodial epithelia
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| What does Transitional Epithelium do? | Lines the urinary bladder and system to provide an expandable lining.
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| What is Stratified Squamous Epithelium? | Thick tissue consisting of many layers, forms outer layer of skin.
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| How many types of Stratified Squamous Epithelium Cells are there? | 2, Keratin and Non Keratin Cells
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| What is a Keratinized Cell? | accumulated by the older cells of the epidermis which causes them to become old and die.
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| What do Non-Keratinized Cells line? | The mouth, throat, vagina and anal canal.
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| What is Pseudostratified Columnar? | appears to be layered but is not- nuclei are located on many levels, cells posess cilia and are found in respiratory and reproductive system.
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| What is simple columner epithelium? | elongated cells with nuclei located near the basement membrane. occurs in uterus, stomach and intestines. Absorption.
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| What is the main role of Microvilli? | Increase Surface area
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| What do goblet cells do? | secrete protective fluid onto tissues.
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| Simple Cubodial Epithelium? | consist of a single layer of cube shaped cells, nuclei are centrally located.
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| Simple Cubodial lines...? | ovaries and kidneys
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| Simple Cubodial's function? | Secretion and Absorption
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| Simple Squamous Epithelium? | consist of a thin layer of flattened cells.
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| Simple Squamous line....>? | air sacs
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| What occurs in Simple Squamous? | diffusion
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| What are tissues? | groups of cells which perform specialized structural and functional roles.
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| 4 major types of Tissue? | Epithial, Connective, Muscle and Nerve
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| What Epithelial Tissues do? | cover all the body surfaces inside and out and are the major tissue of glands.
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| What is a basement membrane? | located in the non living underside of the epithelium which heals rapidly and provides a protective barrier for the body.
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| Epithelial is responsible for...? | Secretion, Absorption, Excretion and Sensory reception.
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| What are Exocrine Glands? | secrete products into ducts opeining onto an internal or external surface.
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| How many types of Exocrine glands? | 3
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| What are Merocrine glands? | release fluid through the cell membrane and do not lose any portion of the cell during secretion.
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| What are examples of Merocrine glands? | Salavary, Pancreatic and some sweat glands
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| What are most glands? | Merocrine glands
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| What are the 2 catagories of Merocrine glands? | Serous and mucus
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| What do serous glands do? | secret serous fluid which is water and has high enzyme concentration.
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| Example of serous gland...? | Digestive tract.
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| What do mucous glands do? | secretes thick layer of mucous which is rich in glycoprotein called mucin.
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| What is mucin? | glycoprotein
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| Example of mucous glands...? | Digestive tract and respirtory tubes.
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| What are Apocrine Glands? | Lose small portion of cell during secretion.
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| Examples of Apocrine Glands...? | Mammory and some sweat glands.
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| What are Holocrine glands? | release entire cells filled with secretory products.
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| Examples of Holocrine glands...? | sebacous glands ( oil )
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| what are endocrine glands? | secrete products into tissue, fluid or blood.
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| What is an example of endocrine glands? | hormones
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| What are the most abundant tissue? | connective
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| what are connective tissues function? | binds structures together, provides support, serves as frame work, fills spaces, stores fat, produces blood cells, protects against infection and helps repair tissue damage.
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| What are resident cells? | present in stable numbers in connective tissue
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| What are fibroblasts? | secretes protiens into the matrix to produce fibers
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| what is the most common resident cell? | fibroblasts
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| what fibers are produced by fibroblasts? | collageneous and elastic
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| what are collagenous fibers? | thick thread like componets of collagen that make up tendons.
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| what are other names for collagenous fibers? | dense connective tissue or white fibers.
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| what are elastic fibers? | composed of microfibers and a protein called elastin.
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| where are elastic fibers found? | vocal cords
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| what is another name for elastic fibers? | yellow fibers
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| what are macrophages? | responsible for phagocytosis which allows them to clear the body of froeign particles and change shape
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| what is phagocytosis? | ability to change shape and engulf an object.
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| what are mast cells? | widely distributed in connective tissue and are located near blood vessels.
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| What do Mast Cells contain? | Heparin- which prevents blood clotting and histamine.
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| what are Wandering Cells? | appear temporarily due to infection.
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| what are examples of wandering cells? | white blood cells
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| What are loose connective tisses? | forms thin delicate membranes which contain collagin and elastin fibers.
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| what do loose connective tissues do? | bind skin to underlying organs, fill spaces between muscle, lay beneath epithelium, provide nurishment for epithelial cells.
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| what serves as a protective cushion for joints and organs? | adipose tissue
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| what is adipose tissue made of? | fat
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| what is adipose tissue? | specialized form of tissue found beneath the skin and in between muscles.
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| what is a heat insulator and storer of fat? | adipose tissue.
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| what are fibrous connective tissue? | dense tissue that conatins many closely packed thick collagenous and elastic fibers
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| what binds body parts together? | fibrous connective tissue
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| what is slow healing and has poor blood supply? | fibrous connective tissue.
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| what is cartilage? | rigid connective tissue which supports protects and provides framework.
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| what are cartilage cells called? | chondroytes
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| what occupy small chambers called lacunae? | chondroytes.
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| what is a perichondrium? | a fiberous connective tissue which encloses the cartilage.
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| what doesnt have a blood supply? | cartilage.
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| what are the 3 types of cartilage? | Hyaline, Elastic and fibrocartilage.
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| what is hyaline cartilage? | has fine cartilage fibers and is found in the soft part of the nose.
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| what is the most common type of cartilage? | Hyaline
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| what is elastic cartilage? | has a dense network of fibers and is more flexible. found in the ear and larynx.
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| what is fibrocartilage? | tough tissue with many collagenous fibers. found between the vertibrae and in the knees and pelvus.
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| What is bones function? | probides internal support, protects vital organs, serves as an attachment for muscles and forms red blood cells.
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| what is the most rigid connective tissue? | bone.
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| cytes = ? | cells
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| what are osteonic or Haversian canals? | are tiny longitudinal tubes which are surrounded by hin layers of bone matrix called Lamellae
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| what are Lamellae? | Thin layers of bone matrix.
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| what are osteocytes? | bone cells
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| what are canaliculi? | small tubes in the matrix which connect haversian canals.
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| what is blood? | is made of cells suspended in a blood plasma.
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| how many types of blood cell are there? | 3, erythrocytes-red, leucocytes-white and thrombocytes-platlets.
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| erythrocytes function? | carry oxygen
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| leucocytes function? | immunity
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| thrombocytes function? | clotting
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| Reticuloendothelial connective tissue? | made mainly of macrophages which injest and destroy foreign partlicles.
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| what are the 3 types of muscle tissue? | skeletal, smooth and cardiac
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| what is skeletal muscle? | attached to bones and can be voluntary controlled. tissue has light and dark striations ( called striated)
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| example of skeletal muscle? | deltoid
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| what are smooth muscles? | lack strationa nd is found in the stomach, intestines, urinary bladder, uterus and blood vessels. are involuntary.
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| what are cardiac muscles? | occurs in the heart and is striated. has inter related disks is involuntary.
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| which muscle is voluntary? | skeletal
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| which muscles are involuntary? | cardiac and smooth
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| where is nerve tissue found? | in the brain, spinal cord and peripheral nerve cells.
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| what are peripheral nerve cells called? | neurons.
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| what has the greatest control over the bodies responsiveness? | the nervous system
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| what is the first step of tissue development? | when the sperm and egg form a zygote.
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| what is a zygote? | the first cell of a new individual.
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| how many layers does an embryo have? | 3, endoderm, ectoderm and mesoderm.
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| which systems are located in the ectoderm? | integumantary
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| which systems are located in the mesoderm? | muscle, skeletal, reproductive, urinary and some resp.
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| which systems are located in the endoderm? | cardiac and some respiratory.
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| what are the steps of tissue repair? | Inflammation, Organization and regeneration.
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| what is a negitive aspect of tissue repair>? | scarring which can limit mobility or function of tissue before it was damaged.
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