نتایج جستجو برای: taste buds
تعداد نتایج: 25951 فیلتر نتایج به سال:
The tachykinins substance P (SP) and neurokinin A (NKA) are present in nociceptive sensory fibers expressing transient receptor potential cation channel, subfamily V, member 1 (TRPV1). These fibers are found extensively in and around the taste buds of several species. Tachykinins are released from nociceptive fibers by irritants such as capsaicin, the active compound found in chili peppers comm...
In response to taste stimulation, taste buds release ATP, which activates ionotropic ATP receptors (P2X2/P2X3) on taste nerves as well as metabotropic (P2Y) purinergic receptors on taste bud cells. The action of the extracellular ATP is terminated by ectonucleotidases, ultimately generating adenosine, which itself can activate one or more G-protein coupled adenosine receptors: A1, A2A, A2B, and...
Activation of taste buds triggers the release of several neurotransmitters, including ATP and serotonin (5-hydroxytryptamine; 5-HT). Type III taste cells release 5-HT directly in response to acidic (sour) stimuli and indirectly in response to bitter and sweet tasting stimuli. Although ATP is necessary for activation of nerve fibers for all taste stimuli, the role of 5-HT is unclear. We investig...
Tichy, F.: The Morphogenesis of CircumtJallate PapiUae and the Differentiation of Taste Buds in the Pig at 41 to 64 Days of Prenatal DefJe/opment. Acta vet. Bmo, 60, 1991: 99-1()()' Samples of tongues collected from porcine foetuses at 41, 44, 50, 53, 57 and ~ days after fc:rtilization were examined for the appearance and development of surface lingual structures. At each of the stages studied,...
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