Browse Reference Articles
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Somatic cell
A somatic cell is generally taken to mean any cell forming the body of an organism. Somatic cells, by definition, are not germline cells. In mammals, germline cells are the sperm and ova (also known ... > more -
Organic farming methods
Organic farming methods combine scientific knowledge and modern technology with traditional farming practices based on thousands of years of agriculture. In general, organic methods rely on naturally ... > more -
Horse breeding
Horse breeding refers to reproduction in horses, and particularly the human-directed process of planned mating of animals. While feral and wild horses breed successfully without human assistance, it ... > more -
Dietary mineral
Dietary minerals are the chemical elements required by living organisms. Appropriate intake levels of each dietary mineral must be sustained to maintain physical ... > more -
Clydesdale (breed)
The Clydesdale is a breed of draft horse derived from the very hard-working farm horses of Clydesdale (now Lanarkshire), Scotland and named for that region. Thought to be over 300 years old, the ... > more -
Wood Bison
The Wood Bison is a distinct northern subspecies of the North American Bison. Reduced by hunting from a total population of about 168,000 to less than 250 individuals by 1900, the Wood Bison has ... > more -
Optic nerve
The optic nerve is the nerve that transmits visual information from the retina to the brain. The optic nerve is composed of retinal ganglion cell axons and support cells. It leaves the orbit (eye) ... > more
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