منابع مشابه
Tale of the Tails, the Missing Postpartum IUCD Strings.
INTRODUCTION Using an intrauterine device (IUD) is many times safer than pregnancy and more effective in preventing pregnancy than oral contraceptives, condoms, spermicidal, any barrier method, or natural family planning. Benefits of healthy timing and spacing of pregnancy are many. Postpartum contraception is becoming popular after introduction of PPIUCD services. OBJECTIVE To study the inci...
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The kaleidoscopic structures in the electron micrographs above are the bundles of microtubules (axonemes) found in moth and fly sperm tail flagella, shown in cross-section. The axonemes above show the pattern typical of cilia and flagella in insects and other arthropods: nine doublet microtubules surround a central pair of singlet microtubules, and each doublet is associated with a singlet 'acc...
متن کاملFat Tails
This reprint is provided for personal and noncommercial use. For any other use, please send a request Brian Hayes by electronic mail to [email protected].
متن کاملTelling tails.
T N-methyl-D-aspartate (NMDA)type glutamate receptor is one of three major classes of receptors for glutamate, the principle excitatory neurotransmitter in the central nervous system. It plays a key role in learning and in the formation of memories by acting as a ‘‘coincidence detector’’ that initiates changes in synaptic strength that lead to the formation of new neural networks (1). It is als...
متن کاملTelling Tails
The diagnosis of curable, secondary causes of hypertension is a satisfying but challenging aspect, for both patient and doctor, of the clinical management of hypertension. They are probably under-recognized, and the enthusiasm to look for causes is blunted by low pickup rates in unselected patients. Young age encourages a search more because the alternative is many decades of drug treatment tha...
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ژورنال
عنوان ژورنال: BMJ
سال: 1977
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.6058.445-d