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Topic: Tissue (anatomy)


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In the News (Mon 28 Dec 09)

  
  Anatomy - Wikipedia, the free encyclopedia
Animal anatomy may include the study of the structure of different animals, when it is called comparative anatomy or animal morphology, or it may be limited to one animal only, in which case it is spoken of as special anatomy.
From the morphological point of view, however, human anatomy is a scientific and fascinating study, having for its object the discovery of the causes which have brought about the existing structure of humans, and needing a knowledge of the allied sciences of embryology or developmental biology, phylogeny, and histology.
The comparison of the anatomy of different races of humans is part of the science of physical anthropology or anthropological anatomy.
en.wikipedia.org /wiki/Anatomy   (545 words)

  
 Animal Anatomy   (Site not responding. Last check: 2007-10-22)
Adenoids is the pathological enlargement of the lymphoid tissue.
In human anatomy, the costal cartilages are bars of hyaline cartilage which extend forwards from the anterior ends of the ribs and contribute to the elasticity of the thorax.
In anatomy, a fibrous joint is an articulation in which the surfaces of the bones are fastened together by intervening fibrous tissue, and in which there is no appreciable motion, as in the joints between the bones of the human cranium.
www.ii.uj.edu.pl /~artur/enc/E.htm   (4668 words)

  
 eMedicine - Eyelid Anatomy : Article by Bhupendra Patel, MD, FRCS   (Site not responding. Last check: 2007-10-22)
Structures that must be considered in a description of lid anatomy are skin and subcutaneous tissue, orbicularis oculi muscle (see Picture 4), submuscular areolar tissue, the fibrous layer consisting of the tarsi and the orbital septum, lid retractors of the upper and lower eyelids, retroseptal fat pads, and conjunctiva.
The tarsal plates are composed of dense fibrous tissue and are responsible for the structural integrity of the lids.
The orbital septum is a connective tissue structure that attaches peripherally at the periosteum of the orbital margin (the arcus marginalis); it centrally fuses with the lid retractor structures near the lid margins, thus acting as a diaphragm reported to retain orbital contents.
www.emedicine.com /ent/topic3.htm   (4179 words)

  
 Stem & Root Anatomy
The structure of xylem and phloem tissue depends on whether the plant is a flowering plant (including dicots and monocots) or a gymnosperm (polycots).
All the tissue from the cambium layer outward is considered bark, while all the tissue inside the cambium layer to the center of the tree is wood.
Xylem tissue conducts water and mineral nutrients from the soil upward in plant roots and stems.
waynesword.palomar.edu /trjune99.htm   (2149 words)

  
 Anatomy Atlases: Atlas of Microscopic Anatomy: Section 3: Connective Tissue
Adipose tissue is of two types: white, "signet ring," unilocular fat (Plate 40), which is ubiquitous; and brown, multilocular, fat (Plate 39), which is uncommon in the adult human.
This type of connective tissue is associated with phagocytic reticular cells, for example, the reticular cells of lymph nodes (Plate 36) and Kupffer's cells of the liver (Plate 219).
Bone is a tissue that forms the greatest part of the skeleton and is one of the hardest structures of the body.
www.anatomyatlases.org /MicroscopicAnatomy/Section03/Section03.shtml   (2669 words)

  
 Plant Anatomy Glossary   (Site not responding. Last check: 2007-10-22)
tissues composed of cells with thick, secondary cell wall that are usually lignified.
Tissues derived from the procambium or vascular cambium that transport water and photosynthate.
the region of ground tissue in a leaf where the chlorenchyma cells are elongated and arranged perpendicular to the epidermis, usually in the upper half of the leaf.
www.uri.edu /artsci/bio/plant_anatomy/glossary.html   (2576 words)

  
 Plant Anatomy Glossary
A tissue composed of relatively elongated cells with secondarily thickened walls of cellulose.
the tissue between the epidermis and the stele of stems and roots, consisting of parenchyma and often also collenchyma and/or sclerenchyma and sometimes chlorenchyma.
Strengthening tissue composed of relatively short cells (sclereids) and/or relatively long ones (fibres) with secondarily thickened cell walls of lignin and usually lacking a living protoplast at maturity.
bugs.bio.usyd.edu.au /2003A+Pmodules/glossary.html   (841 words)

  
 Anatomy - About Tissue Engineering
Tissue engineering is a multidisciplinary approach to a critical problem in modern medicine – the supply of organs and tissues for transplant.
The solution from a tissue engineering perspective is to have tissue engineers construct livers in the lab that could then be used for transplant to alleviate the shortage of ‘natural’ livers.
Tissue engineering is a new discipline, and although there has been some publicity concerning its potential, many people are unaware of just how advanced the field really is. Tissue engineered skin is commercially available and widely used in medicine.
www.nuigalway.ie /faculties_departments/anatomy/tissue_engineering.html   (1003 words)

  
 anatomy. The Columbia Encyclopedia, Sixth Edition. 2001-05
Embryology (see embryo) deals with developing plants or animals until hatching or birth (or germination, in plants); cell biology covers the internal anatomy of the cell, while histology is concerned with the study of aggregates of similarly specialized cells, called tissues.
Human anatomy is often studied by considering the individual systems that are composed of groups of tissues and organs; such systems include the skeletal system (see skeleton), muscular system, cutaneous system (see skin), circulatory system (including the lymphatic system), respiratory system (see respiration), digestive system, reproductive system, urinary system, and endocrine system.
Various modern technologies have significantly refined the study of anatomy: X rays, CAT scans, and magnetic resonance imaging (MRI) are only several of the tools used today to obtain clear, accurate representations of the inner human anatomy.
www.bartleby.com /65/an/anatomy.html   (400 words)

  
 Respiratory System/Pulmonary Anatomy - PulmonologyChannel
They are separated by the heart and other contents of the mediastinum - the tissues and organs of the middle chest (e.g., the heart and large vessels, windpipe, etc.).
The essential tissue of the lung - lung parenchyma - is made up of clusters of spongy air sacs called lobules.
Lymphatic vessels are structures that drain lymph, the clear, yellowish fluid containing lymphocytes (white blood cells that fight disease) from the tissues of the body.
www.pulmonologychannel.com /pul/anatomy.shtml   (1384 words)

  
 Anatomy of Heart and Cardiovascular System - CardiologyChannel   (Site not responding. Last check: 2007-10-22)
The heart is the hollow, muscular organ in the thoracic cavity (chest) that maintains the circulation of blood throughout the body.
The pericardium consists of a layer of fibrous connective tissue and a layer of thin, serous (i.e., produces a secretion) tissue and is attached to the vena cava, the aorta, the diaphragm, and the sternum.
The electrical impulse is conducted through the AV node and wire-like pathways (Purkinje fibers) to the ventricles, signaling the ventricles to contract and pump blood into the lungs and throughout the body.
www.cardiologychannel.com /anatomy.shtml   (667 words)

  
 Breast Anatomy
The breast is responsive to a complex interplay of hormones that cause the tissue to develop, enlarge and produce milk.
The three major hormones affecting the breast are estrogen, progesterone and prolactin, which cause glandular tissue in the breast and the uterus to change during the menstrual cycle.
Each lobe is comprised of many lobules, at the end of which are tiny bulb like glands, or sacs, where milk is produced in response to hormonal signals.
training.seer.cancer.gov /ss_module01_breast/unit02_sec01_anatomy.html   (209 words)

  
 Heart Anatomy
Because the heart is composed primarily of cardiac muscle tissue that continuously contracts and relaxes, it must have a constant supply of oxygen and nutrients.
When cholesterol plaque accumulates to the point of blocking the flow of blood through a coronary artery, the cardiac muscle tissue fed by the coronary artery beyond the point of the blockage is deprived of oxygen and nutrients.
The condition when a coronary artery becomes blocked causing damage to the cardiac muscle tissue it serves is called a myocardial infarction or heart attack.
www.cardioconsult.com /Anatomy   (1174 words)

  
 Plant Anatomy   (Site not responding. Last check: 2007-10-22)
Sections of living plant tissues would typically not have any color except yellow or green in the chloroplasts (chlorophyll is a green pigment, carotene is a yellow pigment) or red colors in the vacuole (anthocyanin pigments found typically only in flower or fruit tissues).
Between the vascular tissues and the cortex is a single layer of cells known as the endodermis.
Between the endodermis and the vascular tissues is the pericycle, the origin of branch roots and root bark.
koning.ecsu.ctstateu.edu /Plant_Physiology/anatomylab.html   (1716 words)

  
 Blue Histology - Nervous Tissue
Nervous tissue of the CNS does not contain connective tissue other than that in the meninges and in the walls of large blood vessels.
Components of the connective tissue elements, which accompany the nerve, should be visible and identifiable in both longitudinal and transverse sections.
Cranial nerve and dorsal root ganglia are surrounded by a connective tissue capsule, which is continuous with the dorsal root epi- and perineurium.
www.lab.anhb.uwa.edu.au /mb140/CorePages/Nervous/Nervous.htm   (2958 words)

  
 School of Anatomy - ANAT2200- Glossary
acetylcholine an ester of choline found in many tissue, synapses and neuromuscular junctions, where it is a neural transmitter.
Kiev anatomist; Betz cells are large pyramidal cells in 5th layer of motor cortex (1874), giving rise to a small number of fibres in the pyramidal tract.
Paris anatomist, a founder of histology; classification of 23 basic tissues; Bichat's tunica intima; B's internal elastic lamina; B's fat pad in cheek.
anatomy.med.unsw.edu.au /teach/anat2200/2000/appen4.htm   (8068 words)

  
 Category:Anatomy - Wikipedia, the free encyclopedia
Anatomy is the study of the structure and organization of the human body.
The main branches are gross anatomy, which deals with structures that can be seen with the naked eye, and histology, which deals with anatomy at the microscopic level.
For articles relating to the anatomy of animals, see Category:Zootomy.
en.wikipedia.org /wiki/Category:Anatomy   (167 words)

  
 Basic Anatomy - Organs & Organ Systems
There are 4 primary tissue types in the human body: epithelial tissue, connective tissue, muscle tissue and nerve tissue.
Some examples of epithelial tissue are the outer layer of the skin, the inside of the mouth and stomach, and the tissue surrounding the body's organs.
It consists of epithelial tissue in which the cells are tightly packed together providing a barrier between the inside of the body and the outside world.
web.jjay.cuny.edu /~acarpi/NSC/14-anatomy.htm   (1087 words)

  
 eMedicine - Scalp Anatomy : Article by M Abraham Kuriakose, MD, DDS   (Site not responding. Last check: 2007-10-22)
This loose areolar tissue provides a potential subaponeurotic space that allows fluids and blood to pass from the scalp to the upper eyelids.
Areolar tissue loosely connects the epicranial aponeurosis to the pericranium and allows the superficial 3 layers of the scalp to move over the pericranium.
The layer of loose areolar tissue is known as the dangerous area of the scalp.
www.emedicine.com /ent/topic1.htm   (1599 words)

  
 Graduate Catalog, 2001-2003. Fields of Study
Use of case studies to explore the physiology and biology of different tissues and organs of the body, including pathologies of tissue, current clinical treatments, and the role of engineers in developing new technologies to diagnose and treat these pathologies.
An overview of cellular biology, including functional cellular anatomy, DNA replication and the cell cycle, protein synthesis, membrane structure and function, energy metabolism, cellular homeostasis, and cell repair and death; and functional anatomy and physiology of the basic tissues.
Anatomy, physiology, pathophysiology, and dynamics of the cardiovascular system, with emphasis on the design and application of electrical and mechanical devices for cardiac intervention.
www.utexas.edu /student/registrar/catalogs/grad01-03/ch4/eng/bme.crs.html   (2094 words)

  
 The Anatomy of Scar Tissue - Associated Content
It forms to fix the continuity of the tissue, but it is approximately 20 per cent weaker than the original tissue.
Scar tissue is dependent on the individual, the nature and severity of the injury and complicating factors.
An adhesion is a cross-link of the collagen-based connective tissue in a random pattern.
www.associatedcontent.com /article/8577/the_anatomy_of_scar_tissue.html   (451 words)

  
 Yale: Cardiothoracic Imaging - Thoracic landmarks
The junction of the ribs with the sternum is usually composed of calcified cartilage and are shown as a segmental change as the rib approaches the sternum.
Note the small spaces between the ribs at the sternum which is the only allowable soft tissue window for ultrasound imaging of the heart.
The nipples are soft tissue and sometimes appear on chest x-rays as suspicious symmetric nodules in the lower lung fields.
info.med.yale.edu /intmed/cardio/imaging/anatomy/thoracic_landmarks/index.html   (116 words)

  
 [No title]
Furthermore, the detrimental effect of mobility of peri-implant soft tissues on the long-term prognosis of an osseointegrated implant was either ignored or greatly underestimated.
Although there was an evident lack of consensus in the implant literature regarding the need for attached tissues around implant restorations, experienced clinicians correlated the presence of attached (nonmobile) tissues with a decrease in soft tissue—related complications, facilitation of prosthetic procedures for the restorative dentist, and greater satisfaction by their patients.
Surgical instrumentation, criteria for optimal flap designs, general soft tissue management considerations, guidelines for the use of surgical maneuvers, and surgical techniques for management of peri-implant soft tissues in specific case types are all presented in detail.
www.quintpub.com /display_detail.php3?psku=B3547   (1229 words)

  
 Plant Structure
Dermal tissue is composed of epidermal cells, closely packed cells that secrete a waxy cuticle that aids in the prevention of water loss.
The ground tissue comprises the bulk of the primary plant body.
Parenchyma, collenchyma, and sclerenchyma cells are common in the ground tissue.
www.emc.maricopa.edu /faculty/farabee/BIOBK/BioBookPLANTANAT.html   (1047 words)

  
 The Pancreas: Anatomy and Functions
The endocrine tissue, which consists of the islets of Langerhans, secretes hormones into the bloodstream.
The exocrine tissue also secretes a bicarbonate to neutralize stomach acid in the duodenum.
The hormones secreted by the endocrine tissue in the pancreas are insulin and glucagon (which regulate the level of glucose in the blood), and somatostatin (which prevents the release of the other two hormones).
www.montefiore.org /healthlibrary/adult/liver/pancreas/print-page   (208 words)

  
 Home > Anatomy, Physiology > Histology
The Atlas of Microscopic Anatomy: A Functional Approach: Companion to Histology and Neuroanatomy, 2nd edition, is a complete textbook of histology provided by the Virtual Hospital at the University of Iowa.
It has sections on tissue processing, specimen accessioning, gross examination, fixation - types of fixatives, factors affecting fixation, general usage, tissue processing, sectioning, frozen sections, staining, coverslipping, decalcification, artefacts in histologic sections, problems in tissue processing, and safety in the lab.
Images include carbon in macrophages of lymph node, diffuse lymphatic tissue, lymph node cortex and medulla, lymphatic nodules, medullary sinuses and cords, nodule with germinal centre, palatine tonsil, pharyngeal tonsil, sinus and nodule reticular fibre, and subcapsular sinus.
bioresearch.ac.uk /nb/85f74a23fea37368f6c9df7c43c2ac8b.html   (3095 words)

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