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gap junction

American  

noun

Cell Biology.
  1. a linkage of two adjacent cells consisting of a system of channels extending across a gap from one cell to the other, allowing the passage of ions and small molecules.


Example Sentences

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How does the structure of a plasmodesma differ from that of a gap junction?

From Textbooks • Jun. 9, 2022

In addition to the ions that carry this current, other molecules, such as ATP, can diffuse through the large gap junction pores.

From Textbooks • Jun. 9, 2022

A gap junction forms channels between adjacent cardiac muscle fibers that allow the depolarizing current produced by cations to flow from one cardiac muscle cell to the next.

From Textbooks • Jun. 19, 2013

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