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download pdf El manejo de la rotura prematura de membranas a t??rmino con c??rvix desfavorable. Revisi??n sistem??tica = Management of premature rupture of membranes at term with unfavorable cervix. Systematic Review, دانلود El manejo de la rotura prematura de membranas a t??rmino con c??rvix desfavorable. Revisi??n sistem??tica = Management of premature rupture of membranes at term with unfavorable cervix. Systematic Review,Vanesa Barrientos Rodr??guez, کتاب های Vanesa Barrientos Rodr??guez,2017-01-10, لیست کتاب های 2017-01-10,WorldCat, کتاب های WorldCat

گت بلاگز Archival Placental thrombosis in acute phase abortions during experimental Toxoplasma gondii infection in sheep / دانلود فایل

مشخصات کلی Placental thrombosis in acute phase abortions during experimental Toxoplasma gondii infection in sheep

نویسنده کتاب (Author):

P Casta??o

انتشارات (Publisher):

2014

ویرایش و نوع فایل (Edition/Format):

 Archival material

منبع (Database):

WorldCat

موضوع (Subject):

Veterinaria      

توضیحات خلاصه (Summary):

After oral administration of ewes during mid gestation with 2000 freshly prepared sporulated oocysts of T. gondii isolate M4, abortions occurred between days 7 and 11 in 91.6% of pregnant and infected ewes. Afterwards, a further infection was carried out at late gestation in another group of sheep with 500 sporulated oocysts. Abortions happened again between days 9 and 11 post infection (pi) in 58.3% of the infected ewes. Classically, abortions in natural and experimental ovine toxoplasmosis usually occur one month after infection. Few experimental studies have reported the so-called acute phase abortions as early as 7 to 14 days after oral inoculation of oocysts, and pyrexia was proposed to be responsible for abortion, although the underline mechanism was not elucidated. In the present study, all placentas analysed from ewes suffering acute phase abortions showed infarcts and thrombosis in the caruncullar villi of the placentomes and ischemic lesions (periventricular leukomalacia) in the brain of some foetuses. The parasite was identified by PCR in samples from some placentomes of only one sheep, and no antigen was detected by immunohistochemical labelling. These findings suggest that the vascular lesions found in the placenta, and the consequent hypoxic damage to the foetus, could be associated to the occurrence of acute phase abortions. Although the pathogenesis of these lesions remains to be determined, the infectious dose or virulence of the isolate may play a role in their development  Read more…

ژانر / فرم:info:eu-repo/semantics/article

نوع منبع:Archival Material

تمام نویسندگان / همکاران: P Casta??o Find more information about: P Casta??o

شناسه OCLC:979265203

یادداشت:Sanidad Animal

Event notes:Veterinary Research, 2014, 29, 45

نویسنده : getblogs