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transmembrane

American  
[trans-mem-breyn, tranz-] / trænsˈmɛm breɪn, trænz- /

adjective

Biology.
  1. occurring across a membrane, as an electric potential or the transport of ions or gases.


Etymology

Origin of transmembrane

First recorded in 1940–45; trans- + membrane

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Study results showed that PD-1 forms a dimer through interactions of its transmembrane segment.

From Science Daily • Mar. 8, 2024

Connecting the outside-of-the-cell portion of PD-1 with the inside portion is the transmembrane segment.

From Science Daily • Mar. 8, 2024

Among the study's other findings was that a single change in the amino acid structure of the transmembrane segment can act to either enhance or diminish the inhibitory function of PD-1 in immune responses.

From Science Daily • Mar. 8, 2024

A transmembrane protein receptor is a protein in the cell membrane that mediates a physiological change in a neuron, most often through the opening of ion channels or changes in the cell signaling processes.

From Textbooks • Jun. 19, 2013

Other transmembrane proteins, which are not accurately called receptors, are sensitive to mechanical or thermal changes.

From Textbooks • Jun. 19, 2013