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Sarcolemma

Noun (Anatomy):

The sarcolemma is the plasma membrane surrounding a muscle fiber that enables the exchange of materials between the muscle cell and its external environment.

Example sentence: The sarcolemma regulates the movement of ions and nutrients in and out of the muscle fiber.

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Noun (Biology):

In biology, the sarcolemma refers to the membranous covering of a sarcosome, a cell-like structure present in some bacteria.

Example sentence: The sarcolemma of the sarcosome acts as a protective barrier for the internal cell components.

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Noun (Zoology):

The sarcolemma is the outer sheath of a siphon tubular structure found in certain marine animals, such as tunicates and some bivalve mollusks.

Example sentence: The sarcolemma of the tunicate serves as a conduit for water, enabling filter feeding.

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Noun (Botany):

In botany, the sarcolemma is an outer layer or membrane around the individual cells of certain plant tissues.

Example sentence: The sarcolemma of the leaf tissue provides structural support and protection.

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