The signals from our sense of smell do not pass through the thalamus and instead go more directly to the limbic system.
The thalamus is a small structure located just above the brain stem with the function of relaying motor and sensory signals. The thalamus works in conjunction with the cerebral cortex, to whom it relays said signals, which explains its location in between the cerebral cortex and the midbrain. It is able to carry out these functions due to a network of nerves that connects it to its neighboring structures.
The limbic system is a group of neural structures that serve to:
- <u>Process and regulate emotions</u>
- <u>Form and store memories</u>
- <u>Control sexual urges</u>
- <u>Participate in the process of learning</u>
The signals from our sense of smell do not pass through the thalamus. They instead travel down their corresponding sensory nerve, the first cranial <u>nerve </u>known as the olfactory nerve, and go more directly to the limbic system.
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Answer:
Dobutamine is a catecholamine with β-1 and β-2 adrenergic agonist properties which help improve myocardial contractility.
In patients with cardiogenic shock due to decompensated heart failure, dobutamine decreases left ventricular end-diastolic pressure and raises blood pressure by increasing cardiac output.
Agonist: A substance that imitates the natural ligand for a receptor and activates it to cause a biological response is referred to as an agonist. Passive Diffusion is the most common way for pharmaceuticals to pass the cell membrane.
<h3>What medication induces membrane fluidity?</h3>
The most common NSAID, aspirin, increases the fluidity of lipid bilayers and causes structural and functional membrane disruption, including the suppression of raft formation by locally altering membrane organisation.
Polymyxin antibiotics, for example, have a typical structure consisting of a cyclic peptide with a long hydrophobic tail. By interacting with the phospholipids in the bacterial cell membrane, they disturb its structure.
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