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nodes of Ranvier
(ran-veer)
The small gaps in the myelin sheath between successive glial cells along the axon of a neuron; also, the site of high concentration of voltage-gated ion channels.
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nodes. The leafbearing joints on plant stems.
nonpersistent virus. A virus that is carried on the mouthparts of its insect vector and is lost after the vector feeds once or a few times; styletborne virus.
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nodes of Ranvier
the small gaps in the myelin sheath between successive ganglia cells along the axon of a neuron; also, the site of high concentration of voltage-sensitive ion channels.
Nostoc
a blue-green algae.
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internodes The stem regions between nodes in plants.
interphase The period between cell divisions when growth and replacement occur in preparation for the next division; consists of gap 1 (G1), synthesis (S), and gap 2 (G2). PICTURE ...
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Lymph nodes, like any other tissue, receive a blood supply. When lymphocytes find themselves in a venule draining the capillaries of a lymph node (called a postcapillary venule), ...
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lymph nodes: capsule-like bodies that contain cells that filter the lymph and phagocytize foreign particles.
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cancer of the lymph nodes and spleen that causes excessive production of lymphocytes.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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A neural network consists of layers of processing units called nodes joined by directional links: one input layer, one output layer, and zero or more hidden layers in between.
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Genes can be viewed as nodes in a network, with input being proteins such as transcription factors, and outputs being the level of gene expression.
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With the widespread use of the microscope in the 18th century, it was discovered that the 'cancer poison' spread from the primary tumor through the lymph nodes to other sites ("metastasis").
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It could be a surface in the vagina, or the anal canal, or in lymph nodes if it's injected into the blood stream. The first line of defense-because you don't have time for specific responses-is the innate immune system.
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The term which Janssens (1909) introduced for the nodes (Gk. chiasma; cross) where the individual chromosomes making up each pair remain in contact during the diplotene and diakinetic stages of prophase 1 and during metaphase 1 of meiosis.
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To see why these properties guarantee this, it suffices to note that no path can have two red nodes in a row, due to property 3. The shortest possible path has all black nodes, and the longest possible path alternates between red and black nodes.
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Despite the project's announced termination, we received four requests and set up three new international nodes in Taiwan, Belgium and Canada.
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internode -- The region of a stem between two nodes, when there is no branching of the vascular tissue.
lamina -- Any broad and flattened region of a plant or alga, which allows for increased photosynthetic surface area.
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internode Region on a stem between nodes.
internuncial processes Cytoplasmic channels that connect one part of a cell to another, such as those linking the distal cytoplasm to the tegumental cytons in many flatworms.
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space between two successive joints or nodes on a plant stem
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
What Topic Is Your BIOLOGY Paper On?
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A human disease caused by failure of lymphocytes to die once they have finished doing their job. As a result, the spleen and lymph nodes grow large, and immune cells may attack the body's own tissues, a condition known as autoimmunity.
explained: ...
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