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 ?
Such result of this study and distribution of thick filament, invagination of sarcolemma and arrangement of dense body, and sarcoplasmic reticula and mitochondria illustrated the same features as previous reports.
Structural abnormalities included loss of lateral alignment of myofibrils, perturbation of myofibril anchorage to the sarcolemma, abnormal mitochondrial number and organization, and loss of nuclear shape and positioning.
Any number of pores on the sarcolemma can develop, and eventually an identifiable cubic membrane forms.
That means the alteration of conduction of the action potential along the sarcolemma due to changed ionic gradients (McKenna et al.
Additional analysis of hypertrophied mouse and human heart tissue also detected elevated levels of CIB1 in the sarcolemma, the thin plasma membrane surrounding heart muscle fiber that is important to receiving and serving as a conductor of stimuli.
Thus, release of mitochondrial CK into the plasma would most likely reflect irreversible cellular injury because it would imply disruption of the mitochondria as well as the sarcolemma membrane.
1980) reported that the sarcolemma of pork muscle is more permeable to water than that of beef.
Since the motor neuron discharge is expected to increase with time in an incremental exercise, fatigue might be also be caused by the ionic disturbance in the close vicinity of the sarcolemma.
Modulating beta-catenin levels at the sarcolemma is critical for the organization of sarcomeres, the basic building units of muscle fibers, and, in turn, for the remodeling and the regeneration of skeletal and cardiac muscle," d'Azzo said.
During this process, gallbladder, sarcolemma and connective tissue were carefully removed.
Skeletal muscle satellite cells are located outside the sarcolemma and under the basal lamina of the muscle fiber (Mauro, 1961).
Expression of muscle-specific regulatory genes directs differentiation because satellite cell progeny contribute incremental increase of the transcriptional capacity of a myofibre by fusing to the fibre sarcolemma (Figure 1).