nexus

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nexus

 [nek´sus]
1. a bond, as between members of a series or group.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

gap junc·tion

1. an intercellular junction formerly considered to be a tight, membrane-to-membrane junction (macula occludens) but now shown to have a 2-nm gap between apposed cell membranes; the gap is not void but contains subunits in the form of polygonal lattices, which are the intercellular aspects of the two connexons that fit together, forming a channel between the cytoplasms of the two cells; it occurs in epithelia, between certain nerve cells, and in smooth and cardiac muscle; it is believed to mediate electrotonic coupling, which allows ionic currents to pass from one cell to another.
See also: synapse.
See also: connexons.
2. areas of increased electrochemical communication between myometrial cells that aid in the propagation of the contractions of labor.
See also: connexons.
Farlex Partner Medical Dictionary © Farlex 2012

gap junc·tion

(gap jŭngk'shŭn)
1. An intercellular junction having a 2-nm gap between apposed cell membranes; the gap contains subunits in the form of polygonal lattices; it occurs in epithelia, between certain nerve cells, and in smooth and cardiac muscle.
See also: synapse
2. Areas of increased electrochemical communication between myometrial cells that aid in the propagation of the contractions of labor.
Synonym(s): nexus.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
System Director Appliance -- Increases Avid NEXIS scale and redundancy
Redundant Controller -- High-availability option for Avid NEXIS systems
where [Pop.sub.Building] denotes the population of each building, ([People.sub.DWSTR]/DWSTR) is the number of people per dwelling structure type in each CD, DWSTR is the number of dwellings by structure type in each CD, and [NEXIS.sub.DWSTR] is the NEXIS count of dwellings for each building.
Since the initial development of NEXIS, validation of population estimates has led to a number of improvements.
For its part, Nexis dismisses the Dow Jones mass-market maneuver as meaningless.
He noted that five years ago, Nexis experimented unsuccessfully with letting Internet users search for free and download articles for a fixed fee.
Nexis coo Tim Davies noted that "corporations continue to elevate the importance of managing intellectual property assets well.