synapses
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æps, sɪˈnæps noun
1.
a region where nerve impulses are transmitted and received, encompassing the axon terminal of a neuron that releases neurotransmitters in response to an impulse, an extremely small gap across which the neurotransmitters travel, and the adjacent membrane of an axon, dendrite, or muscle or gland cell with the appropriate receptor molecules for picking up the neurotransmitters.
verb (used without object)
2.
Cell Biology, Physiology. to form a synapse or a synapsis.
Dictionary.com Unabridged
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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|
Link To synapses
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Synapses
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So is ort. Does it mean:
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a scrap or morsel of food left at a meal. |
Collins
World English Dictionary
synapse (ˈsaɪnæps) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| the point at which a nerve impulse is relayed from the terminal portion of an axon to the dendrites of an adjacent neuron | |
| synapsis (sɪˈnæpsɪs) | |
| —n , pl -ses | |
| 1. | cytology the association in pairs of homologous chromosomes at the start of meiosis |
| 2. | another word for synapse |
| [C19: from New Latin, from Greek sunapsis junction, from sunaptein to join together, from | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
synapse
"junction between two nerve cells," 1899, from Gk. synapsis "conjunction," from synaptein "to clasp," from syn- "together" + haptein "to fasten." Related to apse. Introduced by Eng. physiologist Sir Michael Foster (1836-1907) at the suggestion of Eng. classical scholar Arthur Woollgar Verral (1851-1912).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
synapsis syn·ap·sis (sĭ-nāp'sĭs)
n. pl. syn·ap·ses (-sēz)
The side-by-side association of homologous paternal and maternal chromosomes during early meiotic prophase.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
synapse  (sĭn'āps') Pronunciation Key
(click for larger image in new window) The small junction across which a nerve impulse passes from one nerve cell to another nerve cell, a muscle cell, or a gland cell. The synapse consists of the synaptic terminal, or presynaptic ending, of a sending neuron, a postsynaptic ending of the receiving cell that contains receptor sites, and the space between them (the synaptic cleft). The synaptic terminal contains neurotransmitters and cell organelles including mitochondria. An electrical impulse in the sending neuron triggers the migration of vesicles containing neurotransmitters toward the membrane of the synaptic terminal. The vesicle membrane fuses with the presynaptic membrane, and the neurotransmitters are released into the synaptic cleft and bind to receptors of the connecting cell where they excite or inhibit electrical impulses. See also neurotransmitter. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
synapse [(sin-aps, si-naps)]A gap between two nerve cells. Nerve signals are sent across the gap by neurotransmitters.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Example sentences from the web
It receives its synapses from the striatum in the same way as the pallidum.
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