نتایج جستجو برای: stinging nettle
تعداد نتایج: 1288 فیلتر نتایج به سال:
In the stinging response of the worker honeybee (Apis mellifera), rhythmic movements of the lancets on the stylet are produced by alternating contractions of a set of stinging muscles (a protractor, M198, and a retractor, M199) on each side during co-contraction of the frucula muscles (M197s) on both sides. In this study, stinging movements were elicited by tactile stimulation to the sternum in...
Background and Objective: nettle is an herbaceous perennial plant, which has been used as a source of medicine since ancient times. It is reported that lignan, sterols, flavonoids, poly-saccharides, lectins, and fatty acids are responsible for pharmacological effects of nettle. The present study aimed to evaluate the effects of hydro alcoholic extract of nettle on folliculogenesis as well as es...
BACKGROUND AND AIMS Once human skin contacts stinging hairs of Urtica spp. (stinging nettles), the irritant is released and produces pain, wheals or a stinging sensation which may last for >12 h. However, the existence of pain-inducing toxins in the stinging hairs of Urtica thunbergiana has never been systematically demonstrated. Experiments were therefore conducted to identify the persistent p...
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