Clonidine acts on alpha-2 receptors - I have never read that it has activity on mu receptors.
Mu Receptors are also known as Morphine Receptors. Mu Receptors are located in the Brainstem and Medial Thalamus, they are responsible for supraspinal analgesia, respiratory depression, euphoria, sedation, decreased gastrointestinal motillity and physical dependance. The Subtypes are: Mu1 and Mu2 Mu receptors (as well as Delta and Kappa and even Nociceptin) all these receptors are linked to opiates binding to them. They are members of G-Protien Coupled Receptors. If your new to this sort of thing then i recommend you get onto Wikipedia and start with Mu receptors and learn the pharmacology of Opiates. With MU in particular though the G protein binds to the third intracellular loop of the opioid receptors in the CNS. You should also check out the other spots that opiate receptors are located in the body (i.e. Spinal cord) I hope that i helped you, like i said, i edit alot of articles on Wikipedia.org too so i reccommend you check up on that. Happy Hunting. ----Storm----
One of two pain-relieving pentapeptides produced in the body. Closely related to endorphins and dynorphins, enkaphalins bind to mu receptors in the brain where they mediate pain and act as an analgesiac.
dissolved odorants bind to the receptors in the cilium membranes.
Norepinephrine and epinephrine primarily bind to adrenergic receptors in the body, specifically alpha and beta adrenergic receptors. These receptors are part of the sympathetic nervous system and facilitate the body's "fight or flight" response.
Muscarinic receptors bind acetylcholine, which is a neurotransmitter in the parasympathetic nervous system. Activation of muscarinic receptors leads to various physiological responses in organs and tissues innervated by parasympathetic neurons.
The two types of receptors that bind acetylcholine are nicotinic receptors and muscarinic receptors. Nicotinic receptors are ionotropic receptors found at the neuromuscular junction and in the autonomic ganglia, while muscarinic receptors are G-protein coupled receptors found in various organs like the heart, lungs, and digestive system.
Sarcolema receptors
nicotinic and muscarinic
Yes, beta receptors are adrenergic receptors, meaning they bind to adrenaline (epinephrine) and norepinephrine. There are three subtypes of beta receptors: Beta-1, Beta-2, and Beta-3, each with different functions and tissue distributions.
Simple covalent molecules have a smell because they can bind to receptors in our nose, triggering a signal to the brain that we interpret as a smell. Different molecules bind to different receptors, leading to a variety of smells. The specific shape and chemical properties of the molecule determine which receptors it can bind to, creating the perception of smell.
Hormones bind to specific protein receptors on the surface or inside target cells. These receptors are typically found on the cell membrane or in the cytoplasm. Once the hormone binds to its receptor, it triggers a signaling cascade that leads to specific cellular responses.
steroid hormones are hydrophobic and bind to transport proteins which bind to receptors within the nucleus. hydrophillic hormones bind to plasma membrane receptors and act through second messenger systems