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Reabsorption of excess neurotransmitter molecules refers to the process where neurotransmitters are taken back up from the synaptic cleft into the presynaptic neuron by transporters known as reuptake pumps. This process helps regulate neurotransmitter levels, preventing overstimulation of the postsynaptic neuron. Dysfunction in this reabsorption process can lead to neurological disorders such as depression and anxiety.
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What neurotransmitter does not go through the re-uptake process?
Acetylcholine is a neurotransmitter that does not go through the reuptake process. Instead, it is broken down by an enzyme called acetylcholinesterase in the synaptic cleft.
After the process of re-absorption takes place the left over liquid is called?
The leftover liquid after reabsorption is called urine. It contains waste products and excess water that were not reabsorbed by the kidneys during the filtration process.
What gland increases blood calcium level stimulates calcium re-absorption and activates vitamin D?
The parathyroid gland is responsible for increasing blood calcium levels by stimulating calcium re-absorption in the kidneys and activating vitamin D, which helps in calcium absorption in the intestines.
What substance has the lowest re-absorption rate?
Substances with a low re-absorption rate are usually those that are freely filtered by the kidneys and poorly reabsorbed in the renal tubules, such as inulin or mannitol. These substances are used in medical tests to measure renal function.
What are the six stages of gelatinisation?
Absorption of water: dry starch granules absorb water and swell. Disintegration of granules: starch granules break apart, releasing amylose and amylopectin. Hydration of amylose and amylopectin: water molecules bind to the exposed starch molecules. Gel formation: molecular entanglements between starch molecules form a gel network. Amylose leaching: some amylose molecules migrate out of the starch granules and contribute to gel formation. Retrogradation: re-arrangement of starch molecules leads to the formation of a firmer gel upon cooling.
What would happen if the re-uptake of a stimulatory neurotransmitter was blocked?
The action of the excitatory neurotransmitter will increase, since its concentration in the synapse will rise.
what occurs when there is leftover neurotransmitter in the synaptic gap?
process of re-uptake takes place
What neurotransmitter does not go through the re-uptake process?
Acetylcholine is a neurotransmitter that does not go through the reuptake process. Instead, it is broken down by an enzyme called acetylcholinesterase in the synaptic cleft.
Large intestine what does it do?
It is the main site of water re-absorption.
Which cells are involved in re absorption of osseous tissue?
Osteoclasts
What happens if re absorption of water does not takes place?
there will be no rains
After the process of re-absorption takes place the left over liquid is called?
The leftover liquid after reabsorption is called urine. It contains waste products and excess water that were not reabsorbed by the kidneys during the filtration process.
Why is the second process of urine formation called re-absorption and not absorption?
The term "re-absorption" is used in urine formation because it refers to the process of reclaiming useful substances (such as water, ions, and nutrients) from the filtrate back into the bloodstream. This process occurs in the renal tubules after the initial filtration of blood in the glomerulus. "Absorption" typically refers to the movement of substances from the external environment into the body, whereas "re-absorption" specifically involves reclaiming substances that were already present in the body.
What gland increases blood calcium level stimulates calcium re-absorption and activates vitamin D?
The parathyroid gland is responsible for increasing blood calcium levels by stimulating calcium re-absorption in the kidneys and activating vitamin D, which helps in calcium absorption in the intestines.
What substance has the lowest re-absorption rate?
Substances with a low re-absorption rate are usually those that are freely filtered by the kidneys and poorly reabsorbed in the renal tubules, such as inulin or mannitol. These substances are used in medical tests to measure renal function.
How does ADH hormone work and when does it get secreted?
Increase the re absorption of water. It is secreted when water intake is low
What conditions are treated by bone re-absorption inhibitors?
Bisphosponates acts directly to inhibit bone reabsorption
