bio 201 umuc europe part 3 ch 5-6 – Flashcards
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what is hystology
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structure and function of tissues
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list 4 major types of tissue
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epithelial,connective,muscle and nervous
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what is the most common type of tissue in humans
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connective tissue
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what is a basement membrane
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non-living layer of epithelium
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the tissue that is usually well vascularized and has an extensive intracellular matrix is called __
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connective tissue
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glands
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are one or more cells that make and secrete substances
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simple squamous epithelium
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air sacs of lungs
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simple cuboidal epithelium
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lining of kidney tubules
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ciliated columnar
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in uterin tube,central cannal of brain
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non-cilliated columnar
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lining of intestine
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pseudostatified columnar
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respiratory passages
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stratified squamous
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outermost layer of skin, oral cavity
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stratified columnar
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rare , in male urethra
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stratified cuboidal
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lining of mamory glands
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transitional epithelium
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lines bladder
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glandular epithelium
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within columnar or cuboidal epithelium
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the matrix of__consists of abondant collagen fibers hidden in a rubbery matrix
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hyaline cartilage
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fibers and ground substance among connective tissue; the bodys glue is
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extra cellular matrix
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thin flexable sheetof tissue composed of an epithelial layer and an underlying connective tissue layer
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membrane
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glands that secrete their products into ducts that open into surfaces
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exocrine
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most common type of fixed cell in connective tissue
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fibroblast
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glands that secrete their products into tissue fluid or blood
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endocrine
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connective tissue cell that can detach and move about
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macrophage
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major structural protein of the body
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collegen
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cartilage cell
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chindrocyte
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small chambors for catalage cells
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lacunae
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__cells secrete heparin and histamine
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mast
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the primary characteristic of muscle tissue it their ability to__
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contract
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pus that appears in the inflamed region always indicated __
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infection
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sweat and sebaceous glands are always formed by __tissue
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epithelial
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__fluid tends to be sticky and viscous
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mucus
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the thickest fibors in the skin are
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collegen types
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durring the aging process the amount of___ in the skin actually decrease
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elastic fibers
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describe and give a location for three types of muscle tissue
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skeletal-volentary smooth-involentary cardiac-responsible for heart contractions
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nervous tissue containes which type of cells? which is the most common
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nurons ,nuralglea-nurolgea is the most common
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goblet cells are found in
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simple columnar epithelium
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about 90% of all cancers originate from the
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epithelium
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microvlli are APT to be found in cells that ate specilized for
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absorption
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the basement membrane is found between
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epithelial and connective tissue
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the__tissue has the most numerous and diverse types of cells
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connective
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tendons are
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dense connective tissue
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which tissue has the functions of storing energy, acting as insulation and protecting organs such as the heart
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adipose tissue
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microvilli, which function to increase surface area are more likly to be found in __epithelium
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simple columnar
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sebaceous glands are___ glands
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holocrine glands
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the intervertabral disks that seperate the individual parts of the backbone are composed of
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fibrocartilage
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intercalated disks are found in
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cardiac muscle tissue only
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the protein mucin is found in cells lining the inside of ___
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the intestines
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a gland that secretes substances by exoytosis is a __ gland
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merocrine gland
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the fluid extracellular matrix of blood is called
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plasma
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the__fibers cause a tissue to return to its original shape after distention
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elastic
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the_ fibers cause a tissue to return to its original shape after distention
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elastic
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the___cells are the first to phagocytize foreign particles in the tissues such as bacteria in a wound?
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macrophages
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the backround, that connective cells are in , is termed the
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matrix
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yellow fibers are
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elastic fibers
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reticular fibers
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form supportive network within tissues
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holocrine glands
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sebaceous glands
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apocrine glands
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mammary glands
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merocrine glands
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sweat glands,salivary glands
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white fibers are
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collegenous fibers
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list the functions of the integumentery system
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protection ,maintain tempeture, synthesize vidamin d,houses sensory receptors, blood resevour, elimination of organic waste
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name and define the skins two main layers
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epidermis- dermis-dense irregular connective tisse
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name of the layer that is deep to the skin and give its main type of tissue
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connective-adipose and areola
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body temp=
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37c
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as epidermal cells are pushed toward the surface, strands of protein called__develop in their cytoplasm
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keritine
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melanin functions to protect the under laying cells against the effects of
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ultra violet radiation
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the largest organ of the body is the
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skin
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nails grow from ___cells that ave divided and become___
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epithelial cells, keritinized
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___occurrs with a deep partial-thickness burn
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blisters
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tattoos involve the deposit of pigments into the__
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dermis
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the outer most layer of the epidermis are composed of __
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dead cells
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two or more tissues grouped together and performing specialized functions is an
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organ
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the skin and its accrdory structures are
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the integmentary system
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the skin is a ___membrane
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cutaneous
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as cells are pushed from the deeper portion of the epidermis toward the surface they
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(tend to die) and continually devide
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when the smooth muscle in the walls of dermal blood vessels contract
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body heat is conserved
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the nerve fibers scattered throughout the dermis are associated with
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glands,sensory receptors,muscles
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eccrine sweat glands __
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respond primarly to elivated body temperature
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shafts of hair are composed of
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dead epidermal cells
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although you get wet while swimming a tough protein within the skin prevents it from soaking up moisture like a sponge , called
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keratin
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the most external skin region is composed of
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stratified squamous epithelium
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describe the correct sequence in layers of the epidermis going from outermost to innermost layer
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stratum corneum, stradum lucidum, stratum gramulosum,stratum spinosum, stratum basale
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the layer of cells that contain granules of keratin is the
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stratum corneum
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melanocytes are found in the
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stratum basale
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nutrients reach the surface of the skin (epidermis) through the process of
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diffusing through the tissue fluid from blood vessels in the dermis
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acne is a disorder associated with inflamation of the
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sebaceous glands
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fingernails are
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a modification of the epidermis
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the secretions of the eccrine glands are
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99% water,sodium chloride, and trace amounts of wastes, lactic acid and vitamin c
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apocrine glands
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are found in axillary and genital areas
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describe is an indication of melanoma
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a pigmented spot that contains areas of different colors
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calluses are thickened areas that are formed in response to
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increased friction and pressure
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most of the sensory fibers and structures are located in the___region
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dermis
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tan
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increased melanin production
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blackheads
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clogged sebaceous glands
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treated dermis of animals
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lether
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active growing connective tissue in a large, open wound
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granulations
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keratinized conical masses on toes
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corns
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dermal papillae
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fingerprints
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thickened areas of growth on palms and soles
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calluses
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eumelanin
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pigment in dark hair
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least malignant and common skin cancer
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cutaneous carcinoma
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most numerous sweat glands
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eccrine glands
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androgenic alopecia
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male pattern baldness
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age spots
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liver spots
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genetic disorder causing unpigmentated skin
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albinism
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a chronic condition characterised by redened epidermal lesions covered with dry, silvery scales
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psoriasis
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sudoriferous glands
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sweat glands
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sebaceous glands
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secrete fatty material
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cyanosis
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medical term for bluish skin
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sweat glands that become active at puberty
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apocine glands
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acute sunburn
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solar erythema
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medical term for bed sore
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decubitus ulcer
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medical term for skin redness
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erythema
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pigment in blond hair
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phemeomelanin
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medical term for yellow skin
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jaundice
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localized shedding of epithelium
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ulcer
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a disorder of the sebaceous glands
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acne vulgaris
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ceruminous glands
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secrete earwax
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dermatitis
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inflamation of the skin
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blisters occur within a ______ patial burn
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deep thickness
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layer that is a single row of cells that divide and grow
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stratum basale
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layer that contains immune system cells
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spinosum
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layer that consists of keratinized dead epithelial cells
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stratum corneum
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layer not in thin skin
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stratum lucidum
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layer of 3 to 5 layers of flattened granular cells
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stratum granulosum
