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Topic: Tissue

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In the News (Tue 16 Jul 19)

  Biological tissue - Wikipedia, the free encyclopedia
The study of tissues is known as histology, or, in connection with disease, histopathology.
The classical tools for studying the tissues are the wax block, the tissue stain, and the optical microscope, though developments in electron microscopy, immunofluorescence, and frozen sections have all added to the sum of knowledge in the last couple of decades.
Examples of tissue in other multicellular organisms are vascular tissue in plants, such as xylem and phloem.
en.wikipedia.org /wiki/Biological_tissue   (245 words)

 Tissue - Wikipedia, the free encyclopedia
Aerial tissu is an acrobatic art form, and is one of the circus arts.
Biological tissue is a group of biological cells that perform a similar function.
A tissue (facial) is a disposable piece of thin soft paper.
en.wikipedia.org /wiki/Tissue   (135 words)

 Biological tissue - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-10-22)
Biological tissue is a group of cells that perform a similar function.
Effects of salinity and turbidity on the free amino acid composition in gill tissue of the pacific oyster, Crassostrea gigas.
Tissue culture;: The growth and differentiation of normal tissues in artificial media (Methuen's monographs on biological subjects)
encyclopedia.worldsearch.com /biological_tissue.htm   (367 words)

 Tissue engineering - Nature Biotechnology   (Site not responding. Last check: 2007-10-22)
Tissue and organ failure, produced as a result of injury or other type of damage, is a major health problem, accounting for about half of the total annual expenditure in health care in the US Treatment options include transplantation (human or xenotransplantation), surgical repair, artificial prostheses, mechanical devices, and in a few cases, drug therapy.
Tissue engineering is emerging as a significant potential alternative or complementary solution, whereby tissue and organ failure is addressed by implanting natural, synthetic, or semisynthetic tissue and organ mimics that are fully functional from the start, or that grow into the required functionality.
Chondrocytes are constituents of cartilagenous tissue, and the possibility of generating them in a controlled fashion creates possibilities for the development of appropriate cartilage tissue for surgical procedures.
www.nature.com /cgi-taf/DynaPage.taf?file=/nbt/journal/v18/n10s/full/nbt1000_IT56.html   (2344 words)

 Tissue Type Test
Tissue type is a blood test that measures substances called antigens that determine whether donor tissue is compatible for transplant into another person.
In some cases, tissue typing may be done to determine a person's risk for developing certain diseases, especially certain autoimmune diseases.
Tissue type may be done to exclude paternity for cases in which the identity of the father is in question.
my.webmd.com /hw/health_guide_atoz/hw40261.asp   (1238 words)

 Yale Tissue Microarray Facility
Tissue microarrays are produced by a method of re-locating tissue from conventional histologic paraffin blocks such that tissue from multiple patients or blocks can be seen on the same slide.
In tissue microarrays, the spots are larger and contain small histologic sections from unique tissues or tumors.
The arrays are assembled by taking core needle “biopsies” from specific locations in pre-existing paraffin-embedded tissue blocks and re-embedding them in an arrayed “master” block, using techniques and an apparatus developed by Konenen et al.
tissuearray.org /yale/tisarray.html   (345 words)

 CBER - Tissue
Examples of such tissues are bone, skin, corneas, ligaments, tendons, dura mater, heart valves, hematopoietic stem/progenitor cells derived from peripheral and cord blood, oocytes and semen.
Parts 1270 and 1271 require tissue establishments to screen and test donors, to prepare and follow written procedures for the prevention of the spread of communicable disease, and to maintain records.
CBER also regulates xenotransplantation, which is any procedure that involves the transplantation, implantation, or infusion into a human recipient of either (A) live cells, tissues, or organs from a nonhuman animal source or (B) human body fluids, cells, tissues or organs that have had ex vivo contact with live nonhuman animal cells, tissues, or organs.
www.fda.gov /cber/tiss.htm   (346 words)

 Connective Tissue
The amount of tissue fluid is fairly constant and there is an equilibrium between the water entering and leaving the intercellular substance of the connective tissue.
Connective tissues are very heterogeneous in structure and function, however all have the three main structural components (cells, fibers and ground substance).
Mast cells are abundant in loose connective tissue (especially adjacent to blood vessels), in the dermis, and in the lamina propria of the respiratory and digestive tracts.
www.technion.ac.il /~mdcourse/274203/lect3.html   (1997 words)

 Adipose Tissue
Brown adipose tissue, which derives its color from rich vascularization and densely packed mitochondria, is found in various locations, depending upon the species and/or age of the animal.
In the rat, brown adipose tissue is found primarily in the interscapular region and the axillae, minor amounts are found near the thymus and in the dorsal midline region of the thorax and abdomen.
White adipose tissue is not as richly vascularized as brown adipose tissue, but each adipocyte in white adipose tissue is in contact with at least one capillary.
www.sportsci.org /encyc/adipose/adipose.html   (3305 words)

 Tissue Engineering   (Site not responding. Last check: 2007-10-22)
Tissue engineering is an emerging field that aims to regenerate natural tissues and create new tissues using biological cells, biomaterials, biotechnology, and clinical medicine.
The term ‘tissue engineering’ was officially coined at a National Science Foundation workshop in 1988 to mean the application of principles and methods of engineering and life sciences toward fundamental understanding of structure-function relationships in normal and pathological mammalian tissues and the development of biological substitutes to restore, maintain or improve tissue function http://www.whitaker.org/95_annual_report/tissue95.html.
The Cartilage Tissue Engineering Laboratory of the Department of Bioengineering at the University of California, San Diego is devoted to the study of growth, aging, degeneration, and repair of cartilage.
biomed.tamu.edu /biomaterials/TissueEngineering.htm   (1637 words)

 Tissue Culture Methods
Tissue culture is often a generic term that refers to both organ culture and cell culture and the terms are often used interchangeably.
Cell cultures are derived from either primary tissue explants or cell suspensions.
A tissue culture log should be maintained that is separate from your regular laboratory notebook.
www.research.umbc.edu /~jwolf/method5.htm   (2953 words)

 Skin (dermatology, integumentary system, tissue) - Medical Encyclopedia for Nursing Students   (Site not responding. Last check: 2007-10-22)
In zootomy and dermatology, skin is an organ of the integumentary system; which is composed of a layer of tissuess that protect underlying muscles and organs.
The skin is often known as "the largest organ in the human body": this does not only (obviously) apply with regard to surface area, but also with regard to weight, as it weighs more than any single internal organ.
Its purpose is to attach the skin to underlying bone and muscle as well as supplying it with blood vessels and nerves.
nursingstudy.com /encyclopedia/Skin.html   (718 words)

 WSP Tissue Donation Frequently Asked Questions
In a sterile surgical procedure, the tissues are removed in an operating room setting.
Tissue donation should not alter the funeral plans of the donor's family, including desires for a viewing.
While the Northwest Tissue Center maintains thorough tracking records between donated tissue and a recipient, the donor's identity is not released to recipients.
www.wsp.wa.gov /comunity/tissue/t_faqs.htm   (343 words)

 Soft Tissue Sarcomas: Questions and Answers, Cancer Facts 6.12   (Site not responding. Last check: 2007-10-22)
Soft tissue includes muscles, tendons (bands of fiber that connect muscles to bones), fibrous tissues, fat, blood vessels, nerves, and synovial tissues (tissues around joints).
Malignant (cancerous) tumors that develop in soft tissue are called sarcomas, a term that comes from a Greek word meaning "fleshy growth." There are many different kinds of soft tissue sarcomas.
Secondary tumors are referred to as "metastatic soft tissue sarcoma" because they are part of the same cancer and are not a new disease.
cis.nci.nih.gov /fact/6_12.htm   (1421 words)

 NDI Terminology - tissue   (Site not responding. Last check: 2007-10-22)
It is derived from the mesoderm and in a broad sense includes the collagenous, elastic, mucous, reticular, osseous, and cartilaginous tissue.
Connective tissue is classified according to concentration of fibers as loose (areolar) and dense, the latter having more abundant fibers than the former.
The matrix or supporting tissue of an organ, as distinguished from its parenchyma or functional element.
www.ndif.org /Terms/tissue.html   (220 words)

 Planned Parenthood Federation of America, Inc. - Donating Fetal Tissue For Medical Treatment And Research   (Site not responding. Last check: 2007-10-22)
During the 1950s, fetal tissue was used to help develop the polio vaccine and it was used later in the development of the rubella vaccine (Coutts, 1993).
Federal and state laws have been specifically written to ensure that her choice to donate tissue from her abortion to medical research is made in an informed and ethical manner.
Embryonic cells and cells from fetal tissue grow much faster than cells from the tissue of adults, and they are easier to culture in the laboratory and in greater supply than adult tissue, all of which increase their therapeutic potential in treating certain diseases (Coutts, 1993; Weiss, 1999; NIH, 2001).
www.plannedparenthood.org /library/facts/fetaltis_010600.html   (2740 words)

 Childhood Soft Tissue Sarcoma
Childhood soft tissue sarcoma is a disease in which cancer (malignant) cells begin growing in soft tissue in the body.
The soft tissues include muscles, tendons (bands of fiber that connect muscles to bones), fibrous (connective) tissues, fat, blood vessels, nerves, and synovial tissues (tissues around joints).
Soft tissue sarcomas may develop in any part of the body, but in young patients they are most commonly found in the trunk, arms, and legs.
www.cchs.net /health/health-info/docs/1400/1440.asp?index=6235   (1281 words)

 TAO - Organotypic In Vitro Pharmacological Test Concept
Pharmacological studies and toxicity tests are performed with in vitro cultures of differentiated tissue.
Test compounds are administered to tissue cultures in a polar fashion using a gradient culture chamber.
Continuous medium supply safeguards excellent tissue preservation over prolonged culture intervals in the range of several weeks.
www.tissuetest.com   (162 words)

 About Tissue Donation
A cornea transplant (keratoplasty) is the surgical procedure that replaces a disc-shaped segment of an impaired cornea with a similarly-shaped piece of healthy donor cornea.
Cornea transplants are one of the most frequently performed human tissue transplants and have helped patients ranging in age from only a few days old to 103 years.
In June 2003, organ and tissue recovery agencies such as Northwest Tissue Center, Northwest Lions Eye Bank and LifeCenter Northwest implemented laws recently enacted by the Montana and Washington state legislatures.
www.wsp.wa.gov /comunity/tissue/t_about.htm   (475 words)

 Fool.com: Tissue Engineering Top Dog? [Rule Breaker] September 29, 2000
The obvious advantages to growing human tissue from a patient's own cells and then transplanting it is that you don't reject your own tissue.
Human tissue grown outside the body involves placing human cells on degradable polymer scaffolding inside a bioreactor -- a device to replicate the human body.
Standing in the way are obstacles to harvesting the stem cells, growing them in sufficient quantities, urging their differentiation into the cells for tissue you want, and making them work in the body.
www.fool.com /portfolios/rulebreaker/2000/rulebreaker000929.htm   (1236 words)

 [No title]   (Site not responding. Last check: 2007-10-22)
Tissue from NIA's Nonhuman Primate Tissue Bank is available to investigators at academic and nonprofit research institutions who are engaged in funded research on aging.
The goal is to collect various tissues from aged monkeys with smaller amounts of the same tissues from young and middle-aged monkeys.
Tissue will be provided as: (1) fresh frozen, stored at –80 degrees Celsius; (2) formalin fixed; or (3) fresh frozen tissue in OCT medium.
www.nia.nih.gov /ResearchInformation/ScientificResources/NHPTissueBankHandbook.htm   (525 words)

 Muscle Tissue
Muscle is a very specialized tissue that has both the ability to contract and the ability to conduct electrical impulses.
Connective tissue fibres are extracellular elements, whereas skeletal muscle fibres describe the individual skeletal muscle cells.
The connective tissue surrounding these fascicles extends as dense regular connective tissue to anchor the muscle to the bone in the form of a tendon.
www.uoguelph.ca /zoology/devobio/210labs/muscle1.html   (710 words)

 Beecher Instruments Tissue Microarray Technology
Beecher's tissue microarray instruments allow generation of multiple specimen slides that contain hundreds of individual tissues.
The term tissue array could perhaps be most suitable for arrays containing relatively large specimens (also called tissue macroarrays) whereas the term "tissue microarray" is descriptive of the arrays made with small, 0.6 mm punches.
For example, reagents and conditions that worked well with regular sections may not be optimal for tissue microarrays simply because tissue arrays contain many different tissues types on the same slide.
www.beecherinstruments.com   (388 words)

 Epithelial Tissue
We will begin with the simple epithelia, as they are easier to visualize, and then touch on pseudostratified columnar epithelium before we move on to the stratified squamous epithelium.
The tall, vertical cells seen at the top of the tissue are columnar cells (one is shown - red arrow), which make up simple columnar epithelium (the cells at the bottom of the image are connective tissue, which will be discussed later).
The cells of the basal layer of the epidermis (closest to the dermis) are cuboidal to columnar in shape.
www.uoguelph.ca /zoology/devobio/210labs/epithelial1.html   (939 words)

 Epithelial tissue
Epithelial tissue that occurs on surfaces on the interior of the body is known as endothelium.
Epithelial tissue, regardless of the type, is usually separated from the underlying tissue by a thin sheet of connective tissue; basement membrane.
Specialised epithelial tissue containing sensory nerve endings is found in the skin, eyes, ears, nose and on the tongue.
www.botany.uwc.ac.za /sci_ed/grade10/mammal/Epithelial.htm   (838 words)

 National Cancer Institute - Dictionary of Cancer Terms
A type of breast reconstruction in which a flap of tissue is surgically moved from another area of the body to the chest, and formed into a new breast mound.
A procedure in which a sample of tissue is removed from the prostate using a thin needle that is inserted through the rectum and into the prostate.
Cells, tissues, or animals used to study the development and progression of cancer, and to test new treatments before they are given to humans.
www.cancer.gov /dictionary/db_alpha.aspx?expand=t   (5199 words)

 National Cancer Institute - Adult Soft Tissue Sarcoma Treatment
Adult soft tissue sarcoma is a disease in which cancer (malignant) cells are found in the soft tissue of part of the body.
The soft tissues of the body include the muscles, connective tissues (tendons), vessels that carry blood or lymph, joints, and fat.
The chance of recovery (prognosis) and choice of treatment depend on the size and stage of the cancer (how far the cancer has spread), and the patient’s age and general health.
www.cancer.gov /cancerinfo/pdq/treatment/adult-soft-tissue-sarcoma/patient   (165 words)

 Deep Tissue Massage
Deep Tissue Massage is a massage technique that focuses on the deeper layers of muscle tissue.
Deep tissue massage is used to release chronic muscle tension through slower strokes and more direct deep pressure or friction applied across the grain of the muscles not with the grain.
Deep tissue massage usually focuses on more specific areas and may cause some soreness during or right after the massage.
www.mamashealth.com /massage/dtissue.asp   (256 words)

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