spinnbarkeit The stringy, elastic character of cervical mucus during the ovulatory period; in contrast to other times in the menstrual cycle, cervical secretions at midcycle are clear, abundant, and of low viscosity. Origin: Ger. Spinnbarkeit, visxosity, ability to form a thread..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..
Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..
