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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.

Its simple name, which stands for transmembrane protein 175, reflects how little was initially known.

From Science Daily • Mar. 26, 2026

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

They have two very flexible transmembrane domains that span the cell wall.

From Science Daily • Jan. 8, 2024

Figure 21.15 Alpha-beta T Cell Receptor Notice the constant and variable regions of each chain, anchored by the transmembrane region.

From Textbooks • Jun. 19, 2013

This potential energy is harvested and stored as chemical energy in ATP through chemiosmosis, the movement of hydrogen ions down their electrochemical gradient through the transmembrane enzyme ATP synthase, just as in the mitochondrion.

From Textbooks • Apr. 25, 2013

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