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plasmalemma

Line breaks: plasma|lemma
Pronunciation: /ˈplazməˌlɛmə
 
/

Definition of plasmalemma in English:

noun

Biology
A plasma membrane which bounds a cell, especially one immediately within the wall of a plant cell.
Example sentences
  • It is, therefore, most unfortunate that little is known of them except that they appear to be gated by tension and link the cell wall to the plasmalemma and possibly the cytoskeleton.
  • A mechanosensitive Ca 2 + channel is shown linking the cell wall to the plasmalemma so that relative movement between them, or between the former and the cytoskeleton, could open the channel.
  • Folding of the plasmalemma and the formation of multiple small vesicles between the cell wall and the plasmalemma were observed.

Origin

1920s: from plasma + Greek lemma 'rind'.

Derivatives

plasmalemmal

1
adjective
Example sentences
  • Caveolins are the main structural proteins of glycolipid/cholesterol-rich plasmalemmal invaginations, termed caveolae.
  • The undulating plasmalemmal invaginations have been reported to be unique to brown adipose tissue and hibernomas.
  • Ultrastructural examination of the tumor in case 2 revealed pleomorphic mitochondria with dense matrices and transverse lamellar cristae, micropinocytotic vesicles, and periodic short plasmalemmal densities.

Definition of plasmalemma in:

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