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72 Cards in this Set
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- Back
- 3rd side (hint)
Covers body surfaces and lines hollow organs, body cavities, and ducts; also forms glands?
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Epithelial tissue
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Protects and supports the body and its organs. Various types bind organs together; stores energy reserves as fat and helps provide immunity to disease-causing organisms?
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Connective tissue
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generates the physical force needed to make body structures move?
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Muscular tissue
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detects changes in a variety of conditions inside and outside the body and responds by generating action potentials (nerve impulses) that help maintain homeostasis?
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Nervous tissue
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Which is NOT one of the three primary germ layers?
A. middlederm B.ectoderm C. endoderm D.mesoderm |
A. middlederm
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Epithelial tissue develop from what germ layer?
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ALL THREE
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All connective tissue and most muscle tissue derive from what germ layer?
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mesoderm
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Nervous tissue develops from what germ layer?
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ectoderm
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A group of similar cells that usually have a common embryonic origin and function together to carry out specialized activities?
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Tissue
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What are the four basic types of tissues that make up the human body?
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1.connective
2.muscular 3.epithelial 4.nervous |
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Contact points between the plasma membranes of tissue cells?
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Cell junctions
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most epithelial and some muscle and nerve cells contain these.
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Consists of web-like strands of transmembrane proteins that fuse the outer surfaces of adjacent plasma membranes together?
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Tight junction
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ziplock bag cells of epithelial that lines bladder have tight junctions so substances don't leak into blood or surrounding tissue.
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Contains plaque, a dense layer of proteins on the inside of the plasma membrane that attaches to both membrane protiens and to microfilaments of the cytoskeleton?
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Adherens junctions
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Velcro
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Adherens junctions often form extensive zones called
_______ because they encircle the cell similar to the way a belt encircles a waist? |
adhesion belt
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The plasma membranes of this particular junction are not fused together as in tight junctions but are separated by a very narrow intercellular gap?
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Gap junctions
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allow the cells in a tissue to communicate w/ one another
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Consists of cells arranged in continuous sheets, in either single or multiple layers?
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Epithelial tissue
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The ______surface of an epithelial cell faces the body surface, a body cavity, the interior space of an organ, or a tubular duct that receives cell secretions?
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Apical (free) surface
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may contain cilia or microvilli
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The ____surface of an epithelial cell adhere to extracellular materials as the basement membrane?
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basal surface
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A thin extracellular layer that commonly consists of two layers?
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basement membrane
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functions as a point of attachment and support for the underlying epithelial tissue.
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Which is NOT a layer of the basement membrane?
A. basal lamina B. reticular lamina C.cement lamina |
C.cement lamina
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is closer to-and secreted by-the epithelial cells. It contains proteins such as collagen and laminin?
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basal lamina
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Lamina= thin layer
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Is closer to the underlying connective tissue and contains fibrous proteins produced by connective tissue cells called fibroblasts.
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reticular lamina
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Epithelial tissue has its own nerve supply but is what?
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Avascular (lacks its own blood supply)
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Forms the outer covering of the skin and some internal organs; forms the inner lining of blood vessels, ducts, body cavities?
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Covering and lining epithelium
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also forms the interior of the respiratory, digestive, urinary and reproductive systems. <<COVERS AND LINES>>
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Makes up the secreting portion of the glands such as the thyroid gland, adrenal, and sweat glands?
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glandular epithelium
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A single layer of cells that functions in diffusion, osmosis, filtration, secretion and absorption?
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Simple epithelium
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SINGLE=SIMPLE
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Appears to have multiple layers of cells?
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psuedostratified epithelium
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consists of two or more layers of cells that protect underlying tissues in locations where there is considerable wear and tear?
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stratified epithelium
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Stratum = layer
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Are arranged like floor tiles and are thin, which allows for the rapid passage of substances?
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Squamous cells
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squamous= flat
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Are shaped like cubes or hexagons; function in either secretion or absorption?
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cuboidal cells
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Shaped like columns, and protect underlying tissues; amy have cilia or micrvilli, often are specialized in secretion and absorption?
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columnar cells
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Change shape,from flat to cuboidal as organs such as urinary bladder stretch and collapse?
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transitional
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Consists of a single layer of flat cells; present at sites whre processes of filtration occurs?
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simple squamous epithelium
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descr. single layer
location. lines heart function. filtration, diffusion, osmosis |
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The simple squamous epithelium that lines the heart, blood vessels and lymphatic vessels is known as what?
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endothelium
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endo=within, thelium=covering
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Description= single layer of cube-shaped cells, functoin= secretoin and absorption?
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simple cuboidal epithelium
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Description=single layer of nonciliated-like cells, contain goblet cells, function=secretion and absorption?
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nonciliated simple columnar epithelium
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contain microvilli at apical surface and goblet cells (secrete mucus)
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Description= Contain columnar epithelial cells with cilia at the apical surface, function= moves mucus and other substances?
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ciliated simple columnar epithelium
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Location=keratinized and/or nonkeratinized, function=protection
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stratified squamous epithelium
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Stratified squamous epithelium exists in what two forms?
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1. keratinized
2. nonkeratinized |
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Description= all cells are attached to basement membrane but not all reach the apical surface, function= secretion and movement of mucus by ciliary action?
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pseudostratified columnar epithelium
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Where would you find nonkeratinized stratified epithelium?
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lining the mouth and esophagus
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remains moist
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Description=appearance is variable, can range from squamous to cuboidal, locatoin=urinary bladder, function=permits distension?
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transitional epithelium
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May consist of a single cell or a group of cells that secrete substances into ducts, onto a surface, or into the blood?
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Gland
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!!!keyword=secrete!!!
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All glands of the body are classified as either..
A. little or big B. avascular or vascular C. exocrine or endocrine |
C. exocrine or endocrine
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The secretions of endocrine glands diffuse directly into the bloodstream without flowing through a duct. these secretions are called what?
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hormones
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secrete their products into ducts that empty onto the surface of a covering and lining epithelium cell?
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exocrine gland
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example= skin surface; sweat
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Most exocrine galnds of the body are classified as what type of glands?
A. tubular B. merocrine C. Apocrine |
B. merocrine
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forms product, then discharges it through a duct
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Accumulate their secretory product at the apical surface of the secreting cell?
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Apocrine glands
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portion of the cell pinches off from the rest of the cell to release the secretion.
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accumulate a secretory product in their cytosol; as cell matures it ruptures and becomes the secretory product. Sloughed off cell is replaced by a new cell?
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holocrine gland
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example= pimple or oil gland
discharge, then die |
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One of the most abundant and widely distributed in the body?
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connective tissue
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The material located b/t its widely spaced cells, consists of protien fibers and ground substance?
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extracellular matrix
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connective tissue is highly what?
A. pliable B. contagious C. vascular |
C. Vascular
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An immature cell would have the ending what?; meaning "to bud or sprout"?
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-blast
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A mature cell would have what ending?
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-cyte
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Usually the most numerous; migrate through connective tissue, secreting the fibers and ground substance of the extracellular matrix?
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fibroblasts
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secrete FIBERS..FIBROblasts
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Develop from monocytes, a type of WBC; capable of engulfing bacteria and cellular debris by phagocytosis?
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macrophages
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engulfing= eating= phages
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Plasma cells secrete what?
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Antibodies
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an important part of bodies immune response
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Produce heparin and histamine?
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mast cells
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Also called fat cells?
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Adipocytes
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the component of a connective tissue b/t the cells and fibers may be fliud, semifliud, gelatinous or calcified?
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ground substance
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Name the three types of fibers that are embedded in the extracellular matrix b/t the cells?
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1.collagen fibers
2.elastic fibers 3.reticular fibers |
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Very strong;consist of the protein collagen?
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Collagen fibers
found especially in bone cartilage, tendons and ligaments |
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Consists of the protein elastin, have ability to return to their original shape after being stretched?
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elastic fibers
plentiful in skin, blood vessel walls and lung tissue |
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Strong bands of tissue; form part of the stroma (framework) of tissue?
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reticular fibers
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One example of embryonic connective tissue found almost exclusively in the embryo is?
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mesenchyme
tissue from which all other connective tissue eventually arises. |
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AN example of embryonic connective tissue fund mainly in the umbilical cord of the fetus; also known as Wharton's jelly?
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mucous connective tissue
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What are the five types of mature connective tissue?
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1.loose
2.dense 3.cartilage 4.bone 5.liquid |
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One of the most widley distributed connective tissues in the body, contains several types of cells, all three types of fibers?
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areolar connective tissue
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combined w/ adipose tissue, areolar connective tissue forms the __________ layer?
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subcutaneous layer
attaches the skin to underlying tissues and organs. |
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Is found wherever areolar tissue is located?
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Adipose tissue
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Most adipose tissue in adults is?
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white adipose tissue
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a type of adipose tissue that pobtains a darker color from its rich blood supply, is widespread in the fetus and infants?
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brown adipose tissue (BAT)
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