(anatomy) The point at which the superior vena cava meets and melds into the cardiac right atrium.

(biology) A protein complex that occurs at cell-cell junctions in epithelial tissues

(biology) An intercellular junction between epithelial cells whose membranes join together to form a virtually impermeable barrier to fluid.

plural of junction diode

A complicated interchange with many intertwining roads. / Any complicated intertwining of paths, whether physical or metaphorical.

plural of junction detector

plural of junction transistor

An intersection of routes where one road terminates as it joins a (usually higher priority) road at approximately 90°. In most countries, a give way or stop road sign will be seen at a T-junction.

(railways) A location where two railroad tracks cross, without switches, as where different roads intersect.

(physics) A semiconductor rectifying device in which the barrier between the two regions of opposite conductivity (n-type and p-type) type produces the rectification. All solar cells are junction diodes.