منابع مشابه
Leeches
Real worms don't eat bacteria. Leeches are segmented, eucoelomate worms of the phylum Annelida, distinguished from other annelids by anterior and posterior suckers used for locomotion and feeding — on blood or soft body parts of other animals. They are not to be confused with nematodes, which lack these (and most other) features. Leeches are mainly aquatic, but the Asian land leeches are well k...
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تحقیق حاضر متون خبری روزنامه های نیویورک تایمز و تهران تایمز را به صورت تحلیل انتقادی کلامی مورد بررسی قرارمی دهدکه درمورد جنگ به رهبری آ مریکا در افغانستان است. هدف از این تحقیق نشان دادن تاثیر ایدیولوژی و نگرشهای نویسندگان متون خبری است که ممکن است پنهان باشد. برای انجام این تحقیق 20 متن خبری) از هر روزنامه 10 متن خبری) به صورت تصادفی از سایت اینترنتی روزنامه های نیویورک تایمز و تهران تایمز ا...
15 صفحه اولThe Dynamics of Group Formation Among Leeches
Leeches exploring a new environment continuously meet each other and merge in temporary groups. After 2-3 h, leeches become attracted to each other eventually forming a large and stable group. When their number is reduced, leeches remain solitary, behaving independently. Group formation is facilitated by body injection of serotonin (5-HT) and the level of endogenous 5-HT is elevated in leeches ...
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Phenytoin (PHT), a drug in clinical use for over fifty years as an anticonvulsant, has heen reported to promote the healing of skin and soft tissue wounds, ulcers and second degree burns. We treated 19 patients with war-related missile wounds and 6 with chronic, non-healing (previously treated at least for.') months with antibiotics and betadine or acetic acid dressing) civilian ulcers wit...
متن کاملThe Use of Leeches in Veterinary Medicine
The use of leeches as a highly efficient natural medicine treatment has experienced a resurgence in human therapy, particularly in German speaking countries and the US. The number of leech treatments in Germany has amounted to about 100.000 per year. In addition to the return of diverse applications of medicinal leeches for human treatment, the leech (Hirudo medicinalis/verbana/orientalis) has ...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1915
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(00)52948-1