Term
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Definition
| a sheet of cells that covers a body surface or lines a body cavity |
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Term
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Definition
| lining the urinary bladder separates underlying cells of the bladder wall from urine |
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Term
-protection
-absorption
-filtration
-excretion
-secretion
-sensory reception |
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Definition
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Term
| it has an apical and basal surface. meaning that cell regions near the apical surface differ from those near the basal surface in both structure and function |
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Definition
| Describe the polarity of epithelium. |
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Term
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Definition
| Avascular (contains no blood vessels) but innervated (supplied by nerve fibers) |
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Term
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Definition
| High regeneration capacity |
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Term
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Definition
| consist of a single cell layer. They are typically found where absorption, secretion, and filtration occur and a thin epithelial barrier is desirable. |
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Term
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Definition
| composed of two or more cell layers stacked one on top of the other are common in high abrasion areas where protection is important, such as the skin surface and the lining of the mouth |
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Term
| Simple Squamous Epithelia |
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Definition
| Description: Single layer of flattened cells with dis-shaped central nuclei and sparse cytoplasm; the simplesg of the epithelia. |
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Term
| Simple Squamous Epithelium |
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Definition
| Function: Allows passage of materials by diffusion and filtration in sites where protection is not important; secretes lubricating substances in serosae |
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Term
| Simple Squamous Epithelium |
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Definition
| Location: Kidney glomeruil; air sacs of lungs; lining of heart, blood vessls and lymphastic vessels; lining of ventral body cavity |
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Term
| Simple Cuboidal Epithelium |
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Definition
| Description: Single layer of cubelike cells with large, spherical central nuclei |
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Term
| Simple Cuboidal Epithelium |
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Definition
| Function: secretion and absorption |
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Term
| Simple cuboidal epithelium |
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Definition
| Location: Kidney tubules; ducts and secretory portions of small glands; ovary surface |
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Term
| Simple columnar Epithelium |
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Definition
| Single layer of tall cells with round to oval nuclei; some cells bear cilia layer may contain mucus-secreting unicellular glands (goblet cells) |
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Term
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Definition
| Individual cells (unicellular glands) that produce mucus. |
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Term
| Simple columnar Epithelium |
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Definition
| Function: Absorption; Secretion of mucus, enzymes, and other substances; ciliated type propels mucus (or reproductive cells) by ciliary action. |
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Term
| Simple columnar epithelium |
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Definition
| Location: Nonciliated type lines most of the digestive tract (stomach to anal canal), galbladder, and excretory ducts of some glands; ciliated variety lines small bronchi, uterine tubes, and some regions of the uterus |
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Term
| Pseudostratified Columnar Epithelium |
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Definition
| Description: Single layer of cells of differing heights, some not reaching the free surface; nuclei seen at different levels; may contain mucus secreting cells and bear cilia. |
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Term
| Pseudostratified columnar epithelium |
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Definition
| Function: Secretion partiuclarly of mucus; propulsion of mucus by ciliary action |
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Term
| Pseudostratified columnar epithelium |
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Definition
| Location: Nonciliated type in males' sperm-carrying ducts and ducts of large glands; ciliiated variety lines the trachea, most of the upper respiartory tract. |
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Term
| Stratified squamous Epithelium |
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Definition
| Description: Thick membrane cmoposed of several cell layers; basal cells are cuboidal or columnar and metabolically active; surface cells are flattend (squamous); in the keratinized type, the surface cells are full of keratin and dead; basal cells are active in mitosis and produce the cells of the more superfilcial layers. |
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Term
| Stratified squamous epithelium |
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Definition
| Function: protects underlying tissues in areas subjected to abrasion. |
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Term
| Stratified squamous epithelium |
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Definition
| Location: Nonkeratinized type forms the moist linings of the esophagus, mouth, and epidermis of the skin, a dry membrane. |
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Term
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Definition
| Description: Resembles both stratified squamous and stratified cuboidal; basal cells cuboidal or columnar; surface cells dome shaped or squamouslike, depending on degree of organ stretch. |
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Term
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Definition
| Function: Stretches readily and permits distension of urinary organ by contained urine. |
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Term
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Definition
| Location: Lines the ureters, urinary bladder, and part of the urethra. |
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Term
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Definition
| consists of one or more cells that make and secrete a particular product |
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Term
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Definition
| often lose their ducts, they are often called ductless glands. They produce hormones. |
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Term
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Definition
| Glands that have ducts through which their secretions are carried to a particular site. |
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Term
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Definition
| accumulate their products within them until they rupture. Sebaceuous oil glands of the skin are the only true example of these types of glands. |
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Term
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Definition
| secrete their products by exocytosis as they are produced. The pancreas, most sweat glands, and salivary glands belong to this class. |
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Term
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Definition
| found everywhere in the body. It is the most abundant and widely distribute of the primary tissues. |
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Term
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Definition
Characteristics:
these types of tissue all arise from mesenchyme |
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Term
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Definition
Characteristic:
Extracellular Matrix |
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Term
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Definition
major functions:
binding and support
-protection
-insulation
-transportaion |
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Term
| Connective Tissue Proper: loose, areolar |
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Definition
| Decription: Gel-like matrix with all three fiber types; cells: fibroblasts, macrophages, mast cells, and some white blood cells |
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Term
| Connective Tissue Proper: loose, areolar |
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Definition
| Function: Wraps and cushions organs; its macrophages phagocytize bacteria; plays important role in inflammation; holds and conveys tissue fluid. |
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Term
| Connective Tissue Proper: loose, areolar |
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Definition
| Location: Widely distributed under epithelia of body, forms lamina propria of mucous membranes; packages organs; surrounds capillaries |
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Term
| Connective Tissue Proper: loose adipose |
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Definition
| Description: matrix as in areolar, but very sparse; closely packed adiposcytes or fat cells, have nucleus pushed to the side by large fat droplet. |
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Term
| Connective Tissue Proper: loose adipose |
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Definition
| Function: Provides reserve food fuel; insulates against heat loss; supports and protects organs |
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Term
| Connective Tissue Proper: loose adipose |
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Definition
| Location: Under skin in the hypodermis; around kidneys and eyeballs; within abdomen; in breasts |
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Term
| Connective Tissue Proper: loose reticular |
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Definition
| Description: Network of reticular fibers in a typical loose ground substance; reticular cells lie on the network. |
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Term
| Connective Tissue Proper: loose adipose |
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Definition
| Function: Fibers form a soft internal skeleton (stroma) that supports other cell types including white blood cells, mast cells, and macrophages |
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Term
| Connective Tissue Proper: loose adipose |
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Definition
| Location: Lymphoid organs (lymph nodes, bone marrow, and spleen) |
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Term
| Connective Tissue Proper: Dense- Regular |
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Definition
| Description: Primarily parallel collagen fibers; a few elastic fibers; major cell type is the fibroblast |
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Term
| Connective Tissue Proper: Dense-Regular |
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Definition
| Function: Attaches muscles to bones or to muscles; attaches bones to bones; withstands great tensile stress when pulling force is applied in one direction |
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Term
| Connective Tissue Proper: Dense-Regular |
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Definition
| Location: Tendons, most ligaments, aponeuroses. |
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Term
| Connective Tissue Proper: Dense-Irregular |
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Definition
| Description: Primarily irregularly arranged collagen fibers; some elastic fibers; major cell type is the fibroblasts. |
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Term
| Connective Tissue Proper: Dense-Irregular |
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Definition
| Function: Able to withstand tension exerted in many directions; provides structural strength. |
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Term
| Connective Tissue Proper: Dense-Irregular |
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Definition
| Location: Fibrous capsules of organs and of joints; dermis of the skin; submucosa of digestive tract. |
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Term
| Connective Tissue Proper: Dense- Elastic |
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Definition
| Description: Dense regular connective tissue containing a high proportion of elastic fibers. |
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Term
| Connective Tissue Proper: Dense-Elastic |
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Definition
| Function: Allows recoil of tissue following stretchin; maintains pulsatile flow of blood thourgh arteries; aids passive recoil of lungs following inspiration. |
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Term
| Connective Tissue Proper: Dense-Elastic |
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Definition
| Location: Walls of large arteries; within certain ligaments associated with the vertebral column; within the walls of the bronchial tubes |
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Term
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Definition
| Description: Amorphous but firm amtrix; collagen fibers form an imperceptible network; chondroblasts produce the matrix and when mature (chondrocytes) lie in lacunae. |
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Term
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Definition
| Function: Supports and reinforces; has resilient cushioning properties; resists compressive stress |
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Term
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Definition
| Location: Forms most of the embryonic skeleton; covers the ends of long bones in joint cavities; forms costal cartilages of the ribs; cartilages of the nose. trachea. and larynx. |
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Term
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Definition
| Description: Similar to hyaline cartialge, but more elastic |
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Term
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Definition
| Function: Maintains the shape of a structure while allowing great flexibiltiy. |
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Term
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Definition
| Location: Supports the external ear (pinna); epiglottis |
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Term
| Cartilage: fibrocartilage |
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Definition
| Description: matrix similar to but less from than that in hyaline cartilage; thick collage fibers predominate |
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Term
| Cartilage: fibrocartilage |
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Definition
| Function: Tensile strengt with the abiltiy to absorb compressive shock. |
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Term
| Cartilage: fibrocartilage |
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Definition
| Location: Intervertebral discs; pubic sympysis; discs of knee joint |
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Term
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Definition
| Description: Hard, calcified matrix containing many collage fibers; osteocytes lie in lacunae. Very well vascularized. |
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Term
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Definition
| Function: supports and protects; provides levers for the muscles to act on; stores calcium and other mineral and fat; marrow inside is the site for blood cell formation |
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Term
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Definition
| Description: Red and white blood cells in a fluid matrix |
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Term
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Definition
| Function: Transport of respiratory gases, nutrients, wastes, and other substances. |
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Term
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Definition
| Location: Contained within blood vessels |
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Term
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Definition
| Description: neurons are branching cells; cell processes that may be quite long extend from the nucleus-containing cell body; also contributing tissue are nonirritable supporting cells |
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Term
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Definition
| Function: Transmit electircal signals from sensory receptors and to effectors (muscles and galnds) which control their activity. |
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Term
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Definition
| Location: Brain, spinal cord, and nerves |
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Term
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Definition
| Description: Long, cylidrical, multincleate cells; obvious striations |
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Term
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Definition
| Function: Voluntary movement; locomotino; manipulation of the environmet; facial expression; volunary control |
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Term
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Definition
| Location: In skeletal muscles attached to bones or occasionally to the skin. |
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Term
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Definition
| Description: Branching, striated, generally uninucleate cells that interdigitate at specialized junctions (intercalated discs) |
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Term
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Definition
| Function: As it contracts, it propels blood into the circulation; involunary control |
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Term
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Definition
| Location: The walls of the heart |
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Term
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Definition
| Description: Spindle-shaped cells with central nuclei; no striations; cells arranged closely to form sheets. |
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Term
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Definition
| Function: Propels substances or objects (foodstuffs, urin, a baby_ along internal passageways; involuntary control |
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Term
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Definition
| Location: Mostly in the walls of hollow organs |
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