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Topics related to "node"

node
node in astronomy, point at which the orbit of a body crosses a reference plane. One reference plane that is often used is the plane of the earth's orbit around the sun ( ecliptic ). Since the moon's orbit has an inclination of 5°9′ to the plane of the ecliptic, there are two nodes in... Read more
tuber
tuber enlarged tip of a rhizome (underground stem) that stores food. Although much modified in structure, the tuber contains all the usual stem parts—bark, wood, pith, nodes, and internodes. The eyes of a potato tuber are nodes where sprouts appear, and they are arranged in the same spiral pa... Read more
corm
corm short, thickened underground stem, usually covered with papery leaves. A corm grows vertically, producing buds at the upper nodes and roots from the lower surface. Corms serve as organs of food storage and in some plants (e.g., crocus and gladiolus) of asexual reproduction; they are often mist... Read more
Hodgkin's disease
Hodgkin's disease a type of cancer of the lymphatic system . First identified in 1832 in England by Thomas Hodgkin, it is a type of malignant lymphoma. Incidence peaks in young adults and the elderly. There is some evidence that it is caused by an infection (the Epstein-Barr virus is sometimes p... Read more
runner
runner or stolon, slender, creeping stem capable of taking root where its nodes touch the ground and thereby producing new shoots. The runner itself usually dies at the end of the season, leaving independent new plants. Among the plants that propagate by means of runners are the strawberry, the... Read more
sarcoma
sarcoma , highly malignant tumor arising in connective- and muscle-cell tissue. It is the result of oncogenes (the cancer causing genes of some viruses) and proto-oncogenes (cancer causing genes in human cells). It may affect bone, cartilage, blood vessels, lymph nodes, and skin. See cancer ; neop... Read more
lymphatic system
lymphatic system , network of vessels carrying lymph, or tissue-cleansing fluid, from the tissues into the veins of the circulatory system. The lymphatic system functions along with the circulatory system in absorbing nutrients from the small intestines. A large portion of digested fats are absorbed... Read more
local area network
local area network (LAN), a computer network dedicated to sharing data among several single-user workstations or personal computers , each of which is called a node. A LAN can have from two to several hundred such nodes, each separated by distances of several feet to as much as a mile, and shoul... Read more
mastectomy
mastectomy , surgical removal of breast tissue, usually done as treatment for breast cancer . There are many types of mastectomy. In general, the farther the cancer has spread, the more tissue is taken. The radical mastectomies of the past (which removed not only the breast, but underlying chest mu... Read more
Kirchhoff's laws
Kirchhoff's laws [for Gustav R. Kirchhoff ], pair of laws stating general restrictions on the current and voltage in an electric circuit . The first of these states that at any given instant the sum of the voltages around any closed path, or loop, in the network is zero. The second states that at... Read more

Encyclopedia entries related to "node"

Sentinel Lymph Node Mapping
Encyclopedia entry from: Gale Encyclopedia of Cancer Sentinel lymph node mapping Definition Sentinel lymph node mapping is a method of determining whether cancer has metastasized...mapping procedure is used in conjunction with sentinel lymph node biopsy or dissection. Purpose The lymph system is the body...
Sentinel Lymph Node Biopsy
Encyclopedia entry from: Gale Encyclopedia of Surgery: A Guide for Patients and Caregivers Sentinel lymph node biopsy Definition Sentinel lymph node biopsy (SLNB) is a minimally invasive procedure in which a lymph node near the site of a cancerous tumor is first identified as a sentinel node and then removed for microscopic analysis...
Lymph Node Biopsy
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed. Lymph Node Biopsy Definition A lymph node biopsy is a procedure in which all or part of a lymph node is removed and examined to determine if there is cancer within the node. Purpose The lymph system is the body's primary defense against infection...
Lymph Node Dissection
Encyclopedia entry from: Gale Encyclopedia of Cancer Lymph node dissection Definition Lymph node dissection (lymphadenectomy) is the surgical removal of lymph...body, where secondary tumors are formed. The purpose of a lymph node dissection is to remove the lymph nodes that have trapped cancer...
Node, Stable
Encyclopedia entry from: International Encyclopedia of the Social Sciences Node, Stable If all the paths of equilibrium noncyclically converge to it, the equilibrium is a stable node . The conditions for the equilibrium to be a stable node are a function of the system being evaluated, in particular...
node
Book article from: The Columbia Encyclopedia, Sixth Edition node in astronomy, point at which the orbit of a body...ecliptic plane to north of it is called the ascending node, and the point where it crosses from north to south is called the descending node. A line connecting two nodes is called a line...
Axillary Dissection
Encyclopedia entry from: Gale Encyclopedia of Surgery: A Guide for Patients and Caregivers ...dissection is an accurate procedure for axillary node assessment (removal and pathological examination...only method to identify whether or not a lymph node has cancer cells, is to surgically remove the node and perform examination with a microscope to...
Heart, Rhythm Control and Impulse Conduction
Encyclopedia entry from: The Gale Encyclopedia of Science ...between ventricular contractions when the right and left ventricles relax and fill. The sino-atrial node (S-A node) and atrioventric-ular node (AV node) of the heart act as pacemakers of the cardiac cycle. The contractile systolic phase begins...
Lymphatic System
Encyclopedia entry from: The Gale Encyclopedia of Science ...connective tissue covers the lymphatic tissue inside the lymph node. Each node, also called a lymph gland, has both arterial blood...drainage. Lymphocytes drain out of the arteries into the node interior, usually through a high endothelial venule...
Sick Sinus Syndrome
Encyclopedia entry from: Gale Encyclopedia of Medicine, 3rd ed. ...sinus syndrome is a disorder of the sinus node of the heart, which regulates heartbeat. With sick sinus syndrome, the sinus node fails to signal properly, resulting in...the heart rate. Description The sinus node in the heart functions as the heart's...

Dictionary entries related to "node"

nonterminal node
Book article from: A Dictionary of Computing nonterminal node ( interior node ) of a tree. Any node that is not a terminal node (i.e. a leaf node) and hence has one or more children.
sinoatrial node
Book article from: A Dictionary of Nursing sinoatrial node ( SA node ) (sy-noh- ay -tri-ăl) n. the pacemaker of the heart...the right atrium near the entry of the vena cava. Fibres of the SA node contract at around 70 times per minute. Following each contraction...
leaf node
Book article from: A Dictionary of Computing leaf node ( terminal node , tip node , external node ) Any node of a tree with no descendants and hence of degree zero.
node
Book article from: A Dictionary of Nursing node (nohd) n. a small swelling or knot of tissue. See atrioventricular node , lymph (node) , sinoatrial node . n. of Ranvier one of the gaps that occur at regular intervals in the myelin sheath of medullated nerve fibres, between adjacent...
ascending node
Book article from: A Dictionary of Astronomy ascending node The point in an orbit at which a body moves from south to north across a reference plane, such as the plane of the ecliptic or of the celestial equator. The longitude of the ascending node is one of the elements of an object's orbit. See Elements, Orbital ; Node .
atrioventricular node
Book article from: A Dictionary of Nursing atrioventricular node ( AV node ) n. a mass of modified heart muscle situated in the lower middle part of the right atrium. It receives the impulse to contract from the sinoatrial node, via the atria, and transmits it through the atrioventricular bundle to the ventricles.
sentinel lymph node
Book article from: A Dictionary of Nursing sentinel lymph node ( sent -i-nĕl) n. the first lymph node to show evidence of metastasis of a malignant tumour...lymphatic system. Absence of cancer cells in the sentinel node indicates that more distal lymph nodes will also be...
tip node
Book article from: A Dictionary of Computing tip node Another name for leaf node .
external node
Book article from: A Dictionary of Computing external node Another name for leaf node .
descending node
Book article from: A Dictionary of Astronomy descending node The point in an orbit at which a body moves from north to south across a reference plane, such as the plane of the ecliptic or of the celestial equator. See also Node .

Thesaurus entries related to "node"

node
Book article from: The Oxford American Writers Thesaurus node • noun  the node of the branches synonyms : junction, intersection, interchange, fork, confluence, convergence, crossing.
knot
Book article from: The Oxford American Writers Thesaurus ...slip knot, overhand knot, granny knot; tangle, entanglement.   2. a knot in the wood synonyms : nodule, gnarl, node; lump, knob, swelling, gall, protuberance, bump, burl. • verb  a long blue scarf was knotted around...
hump
Book article from: The Oxford Pocket Thesaurus of Current English ...the tree synonyms : protuberance, protrusion, projection, bulge, swelling, lump, bump, knob, hunch, mass, nodule, node, intumescence, tumefaction. phrase: over the hump   we were doing badly but we're over the hump synonyms : over...
lump
Book article from: The Oxford Pocket Thesaurus of Current English ...mass, cake, nugget, ball, dab, pat, clod, gob, wad, clump, mound.   2. a lump on his head synonyms : bump, swelling, bruise, bulge, protuberance, protrusion, growth, carbuncle, hump, tumor, tumescence, node.
bump
Book article from: The Oxford Pocket Thesaurus of Current English ...thump, knock, rap, impact.   3. he has a bump on his head synonyms : lump, swelling, injury, contusion, nodule, node, tumescence, intumescence, protuberance.   4. a bump in the road | a strange fruit covered with bumps synonyms...
swelling
Book article from: The Oxford American Writers Thesaurus swelling • noun  use ice to reduce the swelling synonyms : bump, lump, bulge, protuberance, enlargement, distension, prominence, protrusion, node, nodule, tumescence; boil, blister, bunion, carbuncle.
knob
Book article from: The Oxford Pocket Thesaurus of Current English ...tree synonyms : knot, knar, knur, knurl, gnarl, excrescence, protuberance.   4. knobs on the horse's leg synonyms : bump, bulge, swelling, lump, knot, node, nodule, pustule, growth, tumor, protuberance, tumescence.

Related newspaper, magazine, and trade journal articles from HighBeam Research

Sentinel node biopsy
Magazine article from: Dermatology Times; 5/1/2004; ; 700+ words ; ...contributor to increase in regional lymph node staging New York - Patterns of care for...shifting, with an increased use of regional node staging for patients with thick melanoma...primarily to the increased use of sentinel node biopsy. The proportion of patients undergoing...
Sentinel lymph node biopsy
Magazine article from: Dermatology Times; 9/1/2004; ; 700+ words ; Is omitting complete lymph node dissection justifiable? New York - It...debated. Not surprisingly, sentinel lymph node dissection for melanoma proved to be...presenters who questioned using sentinel lymph node biopsy without a complete lymph node...
Sentinel node biopsy looks feasible for head and neck melanomas
Magazine article from: Dermatology Times; 3/1/2004; ; 700+ words ; ...training La Jolla, Calif. - A sentinel node biopsy of the head and neck is a very accurate method for staging negative node cases and it is a minimally invasive...makes differentiation of the sentinel node difficult. One problem is that the salivary...
Sentinel node imaging: A challenge for nuclear medicine and the radiographer
Magazine article from: Synergy; 5/1/2006; ; 700+ words ; ...procedure is used to track lymphatic flow from primary tumours. The first node or nodes that directly drain a tumour is defined as the sentinel node(s).1 If this node can be identified, it is possible to excise only the sentinel node leaving...
Node Splits: How, When and Whether.
Magazine article from: Communications Technology; 3/15/2007; 700+ words ; ...can't get too far into a discussion of node splits before hearing about alternatives...segmenting or splitting the fiber-optic node appeared soon after that device became...term trend looks strong. "A lot of node segmentation is going to be performed in...
Lymph node infarction: An immunohistochemical study of 11 cases
Magazine article from: Archives of Pathology & Laboratory Medicine; 1/1/2003; ; 700+ words ; * Context.-The etiology of lymph node infarction may be difficult or impossible...determine by histologic examination. Lymph node infarction is followed by malignant lymphoma...immunohistochemistry in the evaluation of lymph node infarction is not well defined. Although...
Sentinel Lymph Node Mapping of Breast Cancer: A Case-Control Study of Methylene Blue Tracer Compared to Isosulfan Blue
Magazine article from: The American Surgeon; 10/1/2004; ; 700+ words ; ...during identification of the sentinel lymph node. However, allergic reactions may be life...blue dye as a tracer for sentinel lymph node biopsy to isosulfan blue dye. In an analysis...difference in the success rate of sentinel node biopsy (P = 0.22), the number of blue...
Enthusiasm for sentinel node biopsy awaits necessary validation
Magazine article from: Dermatology Times; 5/1/2001; ; 700+ words ; SENTINEL LYMPH NODE BIOPSY Washington - Necessary studies have...completed to determine whether sentinel node biopsy in patients with malignant melanoma...American Academy of Dermatology. "Sentinel node biopsy has come on like a freight train...
Radioguided sentinel lymph node biopsy in breast cancer surgery
Magazine article from: The Journal of Nuclear Medicine; 8/1/2001; ; 700+ words ; ...CONTINUING EDUCATION Radioguided Sentinel Lymph Node Biopsy in Breast Cancer Surgery* The concept of sentinel lymph node biopsy in breast cancer surgery relates...upper levels. Therefore, the first lymph node met (the sentinel node) will most likely...
Sentinel lymph node biopsy in SCC of the head and neck: A major advance in staging the NO neck.(Brief Article)
Magazine article from: Ear, Nose and Throat Journal; 3/1/2002; ; 700+ words ; ...technique for staging patients by sentinel lymph node biopsy (SLNBX). We studied seven patients...blue dye. An open biopsy of the sentinel node was followed by neck dissection. We identified the sentinel node in four of the seven patients (57...