sarcolemma


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Related to sarcolemma: myofibril

sarcolemma

 [sahr″ko-lem´ah]
the delicate elastic sheath covering every striated muscle fiber. adj., adj sarcolem´mic, sarcolem´mous.

sar·co·lem·ma

(sar'kō-lem'ă),
The plasma membrane of a muscle fiber; formerly, the delicate connective tissue of the endomysium was included under this term by some.
Synonym(s): myolemma
[sarco- + G. lemma, husk]

sarcolemma

/sar·co·lem·ma/ (sahr″ko-lem´ah) the membrane covering a striated muscle fiber.sarcolem´micsarcolem´mous

sarcolemma

(sär′kə-lĕm′ə)
n.
A thin membrane enclosing a striated muscle fiber.

sar′co·lem′mal adj.

sarcolemma

[-lem′ə]
Etymology: Gk, sarx, flesh, lemma, sheath
a membrane that covers smooth, striated, and cardiac muscle fibers.

sar·co·lem·ma

(sahr'kō-lem'ă)
The plasma membrane of a muscle fiber; formerly, the delicate connective tissue of the endomysium was included under this term by some.
[sarco- + G. lemma, husk]

sarcolemma

A delicate membrane surrounding a striped muscle fibre.
Saturated vapour pressureclick for a larger image
Fig. 274 Saturated vapour pressure. The effect of ambient temperature on the vapour pressure at the surface of a mesophyll.

sarcolemma

the outer membrane surrounding the muscle fibre (see MYOFIBRIL). It is similar in biochemical composition to the plasmalemma.

sarcolemma

cell membrane of skeletal muscle fibre, plus an extracellular layer of carbohydrate and collagenous macromolecules which imparts some mechanical strength and is contiguous at fibre ends with tendons or aponeuroses of origin and insertion.

sarcolemma

muscle fibre plasma membrane

sarcolemma

the delicate plasma membrane covering every striated muscle fiber.
References in periodicals archive ?
The Duchenne muscular dystrophy gene product is localized in sarcolemma of human skeletal muscle.
The most reliable way to establish muscular damage is to check serum levels of creatine kinase (CK), an enzyme located in the muscular sarcolemma and mitochondrial space.
Calcium uptake and release by the sarcoplasmic reticulum and potassium homeostasis across the sarcolemma are important aspects of skeletal muscle contractility and are linked to muscle fatigue in humans.
6,17) Exercise-induced muscle damage is characterised by a disruption of the sarcolemma, (2) sarcotubular system, (2,4) contractile components of the myofibril, the extracellular matrix and the cytoskeleton.
The fish oil diet in pigs resulted in increased incorporation of omega-3-PUFAs in the sarcolemma of the myocytes compared to the control diet and caused a reduced occurrence of E4031-induced EADs in pig myocytes.
The skeletal muscle is a multinucleate structure with an outer envelope known as the sarcolemma.
As stated by Ogata (1988), when a motor nerve fiber is triggered (nerve impulse), the axon terminal releases acetylcholine, which diffuses through the synaptic cleft and binds to specific receptors on the sarcolemma.
These have tubular mitochondria and a small number of sarcoplasmic reticula around the sarcolemma and some glycogen granules in the sarcoplasm (Fig.
11) They found that rhabdomyomas are characterized by the presence of a sarcolemma sheath, rodlike cytoplasmic bodies, and cross-striations on light microscopy.
The mechanism of dysrhythmias is also not known, but structural changes including myofibrillar necrosis, interstitial fibrosis, and dysfunction of myocyte sarcolemma and mitochondria alter the normal conduction system of the heart in chronic alcohol abuse.