07/18/25

Administration of epinephrine with a local anesthetic may result in the reduction of arterial diastolic blood pressure due to stimulation of what receptor?
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Expert Answers •3

06/16/25

Can idiopathic hypersomnia eventually lead to narcolepsy?
I'm struggling with idiopathic hypersomnia and am very worried.
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Expert Answers •3

06/01/21

What is the white and gray matter in the brain really made of?
Hi, I'm really interested in neurology and neuroanatomy and I was confused about white and gray matter in the brain. White matter is myelinated axons and gray matter is somas, but doesn't each... more
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07/19/19

Why do neurones use chemical signalling at synaptic junctions?
When a neurone fires, it sends an electrical signal that jumps down the axon via the nodes of Ranvier very rapidly. At a synaptic junction, chemical Brownian diffusion signalling with receptor... more
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06/22/19

How does de-myelination occur in multiple sclerosis?
From what I understand, only the oligodendrocytes are affected in multiple sclerosis, and they are attacked by T cells which cross the blood-brain barrier. This leads me to two questions:1. How is... more
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