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Topic: Vascular tissue

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vascular systems

vascular cambium

vascular surgery

water vascular system

peripheral vascular disease

Pulmonary vascular resistance

Vascular headache

Vascular purpura

peripheral vascular resistance

non vascular plant

vascular tube

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	Vascular tissue - Wikipedia, the free encyclopedia
		Vascular tissue is a complex tissue found in vascular plants.
		The primary components of vascular tissue are the xylem and phloem.
		The xylem is oriented toward the adaxial surface of the leaf (usually the upper side), and phloem is oriented toward the abaxial surface of the leaf.
	en.wikipedia.org /wiki/Vascular_tissue (486 words)

	Vascular bundles
		Vascular tissue is made up of different types of plant cells which transport water and organic and inorganic molecules from where they are manufactured or absorbed in the plant, to where they used or stored.
		The two main transport tissues in a vascular bundle are phloem and xylem and between these is a very important layer of cells, the cambium, which is able to divide.
		The xylem of the vascular bundles is orientated towards the middle of the stem and the phloem towards the outside.
	www.botany.uwc.ac.za /ecotree/trunk/VasBundle.htm (477 words)

	Botany online: Supporting Tissues - Conducting Tissues
		The preceding topic mentioned the high water-content of plant cells that lends a high tension to plant tissues and is caused by the turgor.
		The collenchyma is the typical supporting tissue of the primary plant body and growing plant parts, though it is kept with unaltered structure and function even in outgrown organs like stems, petioles, laminae or roots.
		Often either phloem or xylem of the vascular bundles is associated with collenchyma cells.
	www.biologie.uni-hamburg.de /b-online/e06/06.htm (1587 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.
		Vascular bundles typical of a woody monocot are clearly visible on the smooth cross section.
	waynesword.palomar.edu /trjune99.htm (2325 words)

	Introduction to Vascular Plants
		Different kinds of cells are arranged into tissues, and the tissues are further arranged into tissue systems, which are arranged into the organs (either roots, stems or leaves)
		The tissues that arise during primary growth are called primary tissues and the plant body composed of these tissues is called the primary plant body
		Siphonostele - consists of a central column of ground tissue called the pith, which is surrounded by the vascular tissue.
	arnica.csustan.edu /boty1050/Vascular/vascular_plants.htm (1005 words)

	Botany online: Supporting Tissues - Conducting Tissues - Vascular Tissues
		The occurring cell types and the arrangement of the vascular bundles within shoots and roots are reliable features for the characterization of individual classes of plants.
		Xylem and phloem are separated by a meristematic tissue, the vascular cambium.
		The vascular bundles of pteridophytes and the roots of flowering plants are located centrally.
	www.biologie.uni-hamburg.de /b-online/e06/06a.htm (278 words)

	vascular tissue - Search Results - MSN Encarta
		The adult human brain is a 1.3-kg (3-lb) mass of pinkish-gray jellylike tissue made up of approximately 100 billion nerve cells, or neurons;...
		Vascular tissue is internal conducting tissue for the movement of water,...
		- sap-conducting plant tissue: plant tissue that is specialized for conducting sap.
	encarta.msn.com /vascular+tissue.html (167 words)

	McGowan Institute for Regenerative Medicine
		The paper reviews those components that the authors feel are essential for vascular tissue engineering, focusing primarily on the molecular aspects involved in them.
		Current Issues in Vascular Tissue Engineering: The authors note that there are certain basic properties of the native vasculature that a successful TEVG must achieve and these can be categorized into mechanical and biological properties.
		The complexities of vascular tissue engineering, therefore, require multidisciplinary collaboration between engineers, molecular biologists, materials scientists, surgeons, and developmental biologists in order to address vascular tissue engineering from different perspectives, thus increasing the potential impact of the results.
	www.mirm.pitt.edu /news/article.asp?qEmpID=86 (1114 words)

	Sidney Kimmel Cancer Center
		A new addition to the vascular targeting strategy that has become apparent from our recent work, is the potential utility of a vesicular transport pathway (caveolae) discovered in endothelium for selectively overcoming this key cell barrier and permitting tissue-directed delivery to underlying tissue cells.
		In this project, we focus on molecular mapping of the vascular endothelium in vivo, with an emphasis on examining molecular diversity among organs by identifying differentially induced proteins on its cell surface and caveolae.
		The key advantage of vascular targeting is that the endothelial cell surface is freely accessible through the blood circulation, whereas the tumor cells are inaccessible.
	www.skcc.org /schnitzer.html (1969 words)

	Biology 2402 Notes - Plant Tissues
		Tissues are further arranged to form tissue systems, which are initiated during the development of the embryo by the ground meristem, procambium and protoderm.
		Xylem is a complex tissue and one of the major components of the vascular tissue system.
		It is the principle food conducting tissue in vascular plants and consists of elongated cells called sieve elements that join end-to-end to form sieve tubes.
	www.ualr.edu /botany/tissues.html (1328 words)

	E-Flora BC Vascular Plants Page
		The ‘core’ of a carrot is centrally located vascular tissue – characteristic of roots – with the water carrying tissue at the center immediately surrounded by the food carrying tissue.
		The ‘strings’ of celery are bundles of vascular tissue, in this case of a leaf stalk, but similar to the normal ‘circle of bundles’ construction in green stems.
		All living tissues must remain hydrated and it is important for plants to absorb water (usually through the roots from the soil) and retain that water.
	www.geog.ubc.ca /~brian/florae/vasculars.html (1075 words)

	eMedicine - Vascular Anomalies : Article by Orhan Konez, MD (Site not responding. Last check: 2007-10-11)
		For any vascular anomaly, the basic approach is, first, to evaluate fat-suppressed T2-weighted images to determine the extent of the anomaly and, second, to evaluate the GRE images to decide whether the anomaly is a high-flow lesion.
		KTS is a slow-flow combined vascular anomaly (capillary-lymphatic-venous malformation) that is typically associated with marked overgrowth of the leg and geographic capillary stains.
		In this entity, low-flow vascular malformations are associated with bony exostoses and enchondromas.
	www.emedicine.com /radio/topic896.htm (6036 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.
		Parenchyma, collenchyma, and sclerenchyma cells are common in the ground tissue.
		Vascular tissue transports food, water, hormones and minerals within the plant.
	www.emc.maricopa.edu /faculty/farabee/BIOBK/BioBookPLANTANAT.html (1047 words)

	ScienceDaily: University Of Missouri Physicist Creating Vascular Tissue; Could Lead To 'Natural' Human Organs
		Tissue engineering -- Tissue engineering can perhaps be best defined as the use of a combination of cells, engineering materials, and suitable biochemical factors to improve or replace biological functions in an effort to...
		The study of tissues is known as histology, or, in connection with disease,...
		Epithelium -- In zootomy, epithelium is a tissue composed of a layer of cells.
	www.sciencedaily.com /releases/2003/02/030207071910.htm (1923 words)

	GLOSSARY V
		cells in stems of plants descended from the procambium embryonic tissue layer.
		vascular cylinder A central column formed by the vascular tissue of a plant root; surrounded by parenchymal ground tissue.
		vascular system Specialized tissues for transporting þuids and nutrients in plants; also plays a role in supporting the plant; one of the four main tissue systems in plants.
	www.emc.maricopa.edu /faculty/farabee/BIOBK/BioBookglossV.html (673 words)

	Vascular tissue composition (US20020183857A1)
		A tissue composition includes the subendothelial layer, the elastica interna, and at least a portion of the tunica media of a blood vessel harvested from a mammal, with the endothelial cells removed from the blood vessel.
		The tissue composition can be formed into a graft, a patch, a connective tissue for surgical repair, an orthopedic graft, and a substrate for cell growth, among other applications.
		A tissue composition comprising the subendothelial layer, the elastica interna, and at least a portion of the tunica media of a blood vessel harvested from a mammal.
	www.delphion.com /details?pn=US22183857A1 (215 words)

	Biological tissue - Wikipedia, the free encyclopedia
		The study of tissue is known as histology, or, in connection with disease, histopathology.
		There are five basic types of tissue in the body of all animals, including the human body and lower multicellular organisms such as insects.
		Areolar connective tissue - A pliable, mesh-like tissue with a fluid matrix that functions to cushion and protect body organs.
	en.wikipedia.org /wiki/Biological_tissue (450 words)

	Facilitating Novel Arterial Therapies
		Vascular BioSciences endoarterial biopsy catheter provides the means for facilitating new arterial therapies that would be very difficult to perform otherwise.
		The endoarterial biopsy catheter provides a minimally invasive, non-surgical means for obtaining vascular tissue for the initiation of ex vivo vascular-based gene therapy and for culturing customized autologous vascular grafts for patients requiring surgical vascular conduits.
		Immunological challenges associated with using nonautologous cell sources or synthetics for vascular grafts are avoided through the use of the endoarterial biopsy catheter to obtain the patient’s autologous tissue
	www.vascularbiosciences.com /html/novel_arterial_therapies.html (416 words)

	Decreased VEGF concentration in lung tissue and vascular injury during ARDS -- Abadie et al. 25 (1): 139 -- European ...
		Vascular endothelial growth factor synthesis in the acute phase of experimental and clinical lung injury.
		Pulmonary vascular endothelial growth factor and Flt-1 in fetuses, in acute and chronic lung disease, and in persistent pulmonary hypertension of the newborn.
		Fas and fas ligand are up-regulated in pulmonary edema fluid and lung tissue of patients with acute lung injury and the acute respiratory distress syndrome.
	erj.ersjournals.com /cgi/content/full/25/1/139 (4180 words)

	Tissue Perfusion
		Vascular resistance depends on vessel length, blood viscosity and is inversely proportional to the fourth power of the vessel radius.
		Arteriolar vessel determines resistance to flow and vessel cross-sectional area is determined by vascular tone.
		Tissue edema may be further worsened by circulating toxins which enhances capillary permeability.
	www.pharmacology2000.com /Autonomics/Adrenergics/tissue1.htm (407 words)

	Tissue Types (Site not responding. Last check: 2007-10-11)
		Dermal tissues generally occupy the "skin" layer of all plant organs.
		This tissue occupies the space between the dermal tissues and the vascular tissues.
		The vascular tissues of higher plants (Kingdom Plantae) are divided into two sections: xylem and phloem.
	koning.ecsu.ctstateu.edu /Plant_Biology/tissuetypes.html (522 words)

	Chapter 38 eLearning Session (Site not responding. Last check: 2007-10-11)
		There are three basic types of tissues in plants arising from meristems or embryonic cells: ground tissue, epidermis, and vascular tissue.
		• The vascular cambium is a cylinder of dividing cells found in both roots and shoots of gymnosperms and dicots.
		Vascular tissue forms the venation patterns in the leaves, serving as the endpoint for water conduction and often the starting point for the transport of photosynthetically produced sugars.
	www.mhhe.com /biosci/genbio/elearning/raven6/resources38.mhtml (400 words)

	Vascular Biology Laboratory (Site not responding. Last check: 2007-10-11)
		Increased oxidative stress promotes cellular and molecular changes in vascular tissue and modulates the interactions between the immune and vascular systems, leading to the development and progression of atherosclerosis.
		The Vascular Biology Laboratory investigates the role of dietary components - in particular, antioxidants and lipids - and oxidative stress and other factors on age-associated changes in vascular function.
		Nutrient modification of vascular function is explored using cell-cell interactions, biochemical indices, and molecular markers of oxidative stress at the cellular and whole organism levels.
	hnrcwww.hnrc.tufts.edu /departments/labs/vascular.php (664 words)

	Morphology of the Lycophyta
		This is only one way in which the vascular tissue of lycophyte stems may be arranged.
		The leaves of the Lycophyta each have a single unbranched vein, or strand of vascular tissue, which supplies the leaf with water and distributes manufactured nutrients to other portions of the plant.
		Later, some of these began to extend the vascular tissue of their stems toward these enations, possibly in response to increased photosynthetic activity there.
	www.ucmp.berkeley.edu /plants/lycophyta/lycomm.html (742 words)

	Vascular Soft-Tissue Tumors in Infancy: Distinguishing Features on Doppler Sonography -- Dubois et al. 178 (6): 1541 -- ...
		vascular tumors or malformations, and a distinction between
		Thrombocytopenic coagulopathy (Kasabach-Merritt phenomenon) is associated with kaposiform hemangioendothelioma and not with common infantile hemangioma.
		Cutaneous hemangiomas, vascular stains and malformations, and associated syndromes.
	www.ajronline.org /cgi/content/full/178/6/1541 (2083 words)

	tissue. The Columbia Encyclopedia, Sixth Edition. 2001-05
		The fundamental tissues in animals are epithelial, nerve, connective, and muscle tissue; blood and lymph are commonly classed separately as vascular tissue.
		In many diseases there are apparent changes in tissue (see pathology).
		Histology is the study of the structure of tissues.
	www.bartleby.com /65/ti/tissue.html (115 words)

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