0
Still curious? Ask our experts.
Chat with our AI personalities
Taiga
Lao
SteveThe myelin sheath is a protective covering that surrounds nerve fibers and helps in efficient transmission of nerve impulses. It acts as an insulator, speeding up the transmission of signals along the nerves. Damage to the myelin sheath can result in disruptions in nerve signal transmission and lead to conditions such as multiple sclerosis.
Add your answer:
Earn +20 pts
Do neurotransmitters form the myelin sheath?
No, neurotransmitters do not form the myelin sheath. Myelin is formed by specialized types of glial cells called oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system. Neurotransmitters are chemicals that are released by neurons to transmit signals across synapses.
What happens if the myelin sheath is damaged?
If the myelin sheath is damaged, nerve signals may slow down or be disrupted, leading to problems with movement, sensation, and coordination. This can result in various neurological symptoms, such as weakness, numbness, and tingling. In severe cases, it can lead to conditions like multiple sclerosis.
What are the colors of your nervous system?
Nervous tissue does not have a specific color as it is made up of cells, fibers, and blood vessels. However, nerve tissue can appear white due to the myelin sheath that surrounds certain nerve fibers.
What is the gap called that separates the myelin sheaths?
The gap between myelin sheaths is called the node of Ranvier. These nodes are important for enhancing the speed of nerve impulse transmission along the axon by allowing action potentials to "jump" between them in a process known as saltatory conduction.
What is role expectations role performances?
Role expectations refer to the societal or cultural norms that dictate how individuals are expected to behave in a specific role. Role performance refers to how individuals actually behave and carry out their responsibilities in that role. In other words, role expectations set the standard, while role performance indicates how well individuals meet those expectations.
