Apertura mediana ventriculi quarti median aperture of fourth ventricle: a deficiency in the lower portion of the roof of the fourth ventricle through which the ventricular cavity communicates with the subarachnoid space; called also foramen of Magendie...
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
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..
