acetylcholine

Acetyl ester of choline. Perhaps the best characterized neurotransmitter, particularly at neuromuscular junctions. ACh can be either excitatory or inhibitory, and its receptors are classified as nicotinic or muscarinic, according to their pharmacology. In chemical synapses ACh is rapidly broken down by acetylcholine esterases, thereby ensuring the transience of the signal. ...

Acetylcholine

A chemical messenger released by cholinergic nerves. Normally in many parts of the body, including the brain, and necessary to normal body functioning. There appears to be a reciprocal seesaw relationship between acetylcholine and dopamine and their respective nerve cell systems.

Acetylcholine

Acetylcholine (ACh, pron. ah-Seh-til-KO-leen) is an organic molecule that acts as a neurotransmitter in many organisms, including humans. It is an ester of acetic acid and choline, with chemical formula {chem|link=acetyl|CH|3|CO}O({chem|link=methylene bridge|CH|2})2{chem|link=Nitrogen|N|+}({chem|link=methyl|CH|3})3 and systematic name 2-acetoxy-`....
Found on http://en.wikipedia.org/wiki/Acetylcholine

acetylcholine

<chemical, neurology, physiology> A chemical found in vertebrate neurons that carries information across the synaptic cleft, the space between two nerve cells. ... (06 May 1997) ...
Found on http://www.encyclo.co.uk/local/20973

acetylcholine

(ACh) (as″ә-tәl- ) (as″ә-tēl-ko´lēn) the acetic acid ester of choline, normally present in many parts of the body and having important physiologic functions. It is a neurotransmitter at cholinergic synapses in the central, sympathetic, and parasym...
Found on http://www.encyclo.co.uk/local/21001

acetylcholine

(ACh), an ester of choline and acetic acid that is the transmitter substance at many neural, or nerve, synapses and at the motor end plate of ... [20 related articles]
Found on http://www.britannica.com/eb/a-z/a/11

acetylcholine

noun a neurotransmitter that is a derivative of choline; released at the ends of nerve fibers in the somatic and parasympathetic nervous systems
Found on https://www.encyclo.co.uk/local/20974

acetylcholine

(ACh) One of the main neurotransmitters in the vertebrate nervous system. Acetylcholine is released at some (cholinergic) nerve endings and may be excitatory or inhibitory. It passes on a nerve impulse to the next nerve or to initiate muscular contractions. The released ace...
Found on http://www.daviddarling.info/encyclopedia/A/acetylcholine.html

acetylcholine

(ACH, Ach) Type: Term Pronunciation: a-sē′til-kō′lēn Definitions: 1. The acetic ester of choline, the neurotransmitter substance at cholinergic synapses. It is hydrolyzed rapidly into choline and acetic acid by acetylcholinesterase in the tissues and by pseudocholinesterase in the blood.
Found on http://www.medilexicon.com/medicaldictionary.php?t=559

Acetylcholine

A chemical (neurohormone) released from presynaptic nerve endings, which diffuses across the synapse (gap between the neurones) and stimulates the initiation of an impulse in the post-synaptic membrane. Is rapidly broken down by the enzyme cholinesterase.
Found on http://www.felpress.co.uk/Exercise_Physiology_Glossary.24.0.html

Acetylcholine

A chemical in the brain (neurotransmitter) that appears to be involved in learning and memory – Acetylcholine is greatly diminished in the brains of people with Alzheimer’s disease.
Found on https://my.clevelandclinic.org/health/articles/9578-alzheimers-disease-glos

Acetylcholine

A chemical involved in the transmission of nerve impulses.
Found on http://www.superglossary.com/Glossary/Health/Vitamins/

acetylcholine

A chemical made by some types of nerve cells. It is used to send messages to other cells, including other nerve cells, muscle cells, and gland cells. It is released from the nerve ending and carries signals to cells on the other side of a synapse (space between nerve cells and other cells). Acetylcholine helps control memory and the action of certa...
Found on http://www.cancer.gov/dictionary?expand=A

Acetylcholine

A chemical released at neuromuscular junctions that binds to receptors on the surface of the plasma
Found on http://www.superglossary.com/Glossary/Science/Biology/

acetylcholine

A chemical released at neuromuscular junctions that binds to receptors on the surface of the plasma membrane of muscle cells, causing an electrical impulse to be transmitted. The impulse ultimately leads to muscle contraction.
Found on https://www.encyclo.co.uk/local/21571

Acetylcholine

A critical neurotransmitter that controls functions such as memory, attention, sleep, heart rate, and muscular activity.
Found on http://www.brainfacts.org/glossary

Acetylcholine

A neurotransmitter in both the brain, where it may help regulate memory, and in the peripheral nervous system, where it controls the actions of skeletal and smooth muscle.
Found on http://www.bbc.co.uk/radio4/reith2003/glossary.shtml

Acetylcholine

A neurotransmitter in the brain, which helps to regulate memory, and in the peripheral nervous syste
Found on http://www.encyclo.co.uk/local/22394

Acetylcholine

a neurotransmitter in the striatum area of the brain. It is involved in many brain functions, such as memory and control of motor activity. There appears to be a interplay between the actions of acetylcholine and dopamine.
Found on http://www.encyclo.co.uk/local/21811

Acetylcholine

A neurotransmitter which is derived from choline. It helps in transmitting signals from the nerves.
Found on http://www.buzzle.com/articles/medical-glossary-definitions-of-medical-term

Acetylcholine

A type of chemical (called a neurotransmitter) that transmits messages among nerve cells and muscle cells.
Found on https://www.texasheart.org/heart-health/heart-information-center/topics/a-z

acetylcholine

acetylcholine (usēt"ulkō'lēn) , a small organic molecule liberated at nerve endings as a neurotransmitter. It is particularly important in the stimulation of muscle tissue. The transmission of an impulse to the end of the nerve causes it to release neurotransmitter molecule...
Found on http://www.infoplease.com/ce6/sci/A0802298.html

acetylcholine

acetylcholine The acetic ester of choline, the neurotransmitter substance at cholinergic synapses, which causes cardiac inhibition.
Found on http://www.wordinfo.info/words/index/info/view_unit/14/

Acetylcholine

Acetylcholine: A key chemical in neurons (nerve cells) that acts as a neurotransmitter and carries information across the synaptic cleft, the space between two nerve cells. Abbreviated ACh.
Found on http://www.medterms.com/script/main/art.asp?articlekey=23278

acetylcholine

[n] - a neurotransmitter that is a derivative of choline
Found on http://www.webdictionary.co.uk/definition.php?query=acetylcholine
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