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Red blood cells (RBCs), referred to as erythrocytes (from Ancient Greek erythros 'red' and kytos 'hollow vessel', with -cyte translated as 'cell' in modern usage) in academia and medical publishing, also known as red cells, [1] erythroid cells, and rarely haematids, are the most common type of blood cell and the vertebrate's principal means of delivering oxygen (O 2) to the body tissues—via ...
In 1753, Carl Linnaeus described foxtail millet as Panicum italicum.In 1812, Palisot de Beauvois grouped several taxa into Setaria italica. [7]The genus Pennisetum was divided by Otto Stapf in 1934 into the section penicillaria, with 32 species including all the cultivated ones, and four other sections.
Obesity is a complex public health and policy problem because of its prevalence, costs, and health effects. [193] As such, managing it requires changes in the wider societal context and effort by communities, local authorities, and governments. [ 185 ]
The mean age at childbearing indicates the age of a woman at their childbearing events, if women were subject throughout their lives to the age-specific fertility rates observed in that given year. [1] In countries with very high fertility rates women can have their first child at a much younger age than the mean age at childbearing.
The mean absolute difference is the average absolute difference of all pairs of items of the population, and the relative mean absolute difference is the mean absolute difference divided by the average, ¯, to normalize for scale.
An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged. Penile erection is the result of a complex interaction of psychological, neural, vascular, and endocrine factors, and is often associated with sexual arousal, sexual attraction or libido, although erections can also be spontaneous.
Through its widespread adoption, VGA has also come to mean either an analog computer display standard, the 15-pin D-subminiature VGA connector, or the 640 × 480 resolution itself. While the VGA resolution was superseded in the personal computer market in the 1990s and the SEGA Dreamcast in 1998, [ 86 ] it became a popular resolution on mobile ...
Copper is biostatic, meaning bacteria and many other forms of life will not grow on it. For this reason it has long been used to line parts of ships to protect against barnacles and mussels . It was originally used pure, but has since been superseded by Muntz metal and copper-based paint.