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The Schwann cells wrap themselves tightly around the axon like a jellyroll. During the wrapping process, the cytoplasm is squeezed from between adjacent layers of the Schwann cell membranes, so that when the process is completed a tight core of plasma membrane material encompasses the axon. This wrapping is the myelin sheath. The Schwann cell nucleus and the bulk of its cytoplasm end up just beneath the outermost portion of its plasma membrane. This peripheral part of the Schwann cell and its exposed plasma membrane is the neurilemma.

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What is a neurolemma and why is it important?

A neurolemma is the outer membrane of a Schwann cell or nerve cell that plays a crucial role in the regeneration of damaged peripheral nerves. It provides structural support and guidance for regenerating axons, helping them reconnect and restore function after injury.


What is the function of neurolemma?

Neurolemma, also known as the Schwann cell sheath, is the outermost layer of the myelin sheath surrounding peripheral nerve fibers. Its primary function is to facilitate the regeneration of damaged nerve fibers by providing a supportive environment and guiding the growth of new axonal connections. Additionally, neurolemma plays a role in maintaining the health and integrity of peripheral nerves by insulating and protecting the axons.


Are neurons made up of neurolemma?

No. Neurons have a cover on a part called the axon. This is called a neurolemma. Not all axons have this covering. This cover acts like the cover on an electrical cord. It prevents it from short circuiting and increases the speed which the impulse travels.


What is necessary for regrowth of neuron processes?

Schwann cells


What were Theodore Schwann's greatest achivments?

Theodore Schwann's greatest achievements include discovering that all living organisms are composed of cells, and collaborating with Matthias Schleiden to formulate the cell theory. Schwann also made significant contributions to the understanding of digestion processes in animals.


Who was the first to describe the cell theory?

Two scientists came up with The Cell Theory. It was in 1839, Matthias Schleidan and Theodor Schwann, two German Biologists came up with this theory.


What is the sheath of the Schwann Cell also called?

Surrounding the myelin sheath, there is a thin membrane called neurilemmal sheath. This is also called neurilemma or sheath of Schwann. This contains Schwann cells, which have flattened and elongated nuclei. The cytoplasm is thin and modified to form the thin sheath of neurilemma enclosing the myelin sheath. One nucleus is present in each internode of the axon. The nucleus is situated between myelin sheath adn neurilemma. At the node of Ranvier (where myelin sheath is absent), the neurilemma invaginates and runs up to axolemma in the form of a finger like process. In nonmyelinated nerve fiber, the neurilemma continuously surrounds axolemma. Neurilemma is absent in central nervous system. Neurilemma is necessary for the formation of myelin sheath (myelinogeneis).


What invented theodor schwann?

Cellular life invented Theodor Schwann. Theodore Schwann then discovered cellular life.


Is their a place named after Theodor schwann?

interesting facts about thedor schwann


What is an interesting fact about theodor schwann?

Theodor Schwann was a German zoologist.


When was Theodor Schwann born?

Theodor Schwann was born on December 7, 1810.


What is another name for the sheath of schwann?

another name for the sheath of schwann is neurilemma.