نتایج جستجو برای: needles

تعداد نتایج: 6613  

Journal: :Journal of morphology 2007
Yonas I Tekle Olga I Raikova Jean-Lou Justine Ulf Jondelius

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...

2016
Karin E. Darpel James Barber Andrew Hope Anthony J. Wilson Simon Gubbins Mark Henstock Lorraine Frost Carrie Batten Eva Veronesi Katy Moffat Simon Carpenter Chris Oura Philip S. Mellor Peter P. C. Mertens

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 ...

2015
Dong-Hyuk Choi Heun-Guyn Jung Jeong-Ho Lee Ji-Hoon Park Yong-Soo Choi

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...

Journal: :Anesthesia and analgesia 2001
M A Frölich D Caton

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.

Journal: :Gastroenterology 1978

Journal: :Canadian Medical Association Journal 2015

Journal: :Javnost - The Public 2008

Journal: :Symposium - International Astronomical Union 1987

2011
nathan Bott

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...

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