نتایج جستجو برای: needles
تعداد نتایج: 6613 فیلتر نتایج به سال:
One of the main characters used in acoel taxonomy is the male copulatory organ. Despite this, ultrastructural studies of this structure are scarce. We studied the ultrastructure of the copulatory organ in eight species of acoels belonging to the taxon Childia. Members of Childia possess a well-developed conical or cylindrical stylet-like structure composed of needles. Immunogold cytochemistry o...
Bluetongue virus (BTV) is an economically important arbovirus of ruminants that is transmitted by Culicoides spp. biting midges. BTV infection of ruminants results in a high viraemia, suggesting that repeated sharing of needles between animals could result in its iatrogenic transmission. Studies defining the risk of iatrogenic transmission of blood-borne pathogens by less invasive routes, such ...
STUDY DESIGN A prospective sonographic study. PURPOSE To verify the effectiveness of simultaneous application of two landmarks, Doppler image of the vertebral artery and shape of the transverse tubercle of the seventh cervical (C7) vertebra. OVERVIEW OF LITERATURE Counting upwards from the C7 vertebra which only has a posterior tubercle of the transverse process is a commonly used method fo...
IMPLICATIONS In this article we discuss the development of epidural needles and the historical factors leading to their invention. The most popular needles are described and their inventors acknowledged.
supplements, as in the case of vita min a. yet, other studies suggest that the main impact of poverty extends beyond diet and cannot be addressed through improved nutrition alone. Such is the expe rience from peru, where a study by the tuberculosis research group at imperial college (london, uK) has been evaluat ing whether dietary supplementation with vitamin a, vitamin D and zinc reduces t...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید