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68 Topic Pages Found in Biology and starting with the letter M
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Macadamia nut

Native to Australia, the macadamia tree is now cultivated in other countries including Hawaii and South Africa—a rare example of a native

Open macaque

( məkäk' ), name for Old World monkeys of the genus Macaca, related to mangabeys, mandrills, and baboons. All but one of the 19 species are found in


common name for members of the family Scombridae, open-sea fishes including the albacore, bonito, and tuna . They are characterized by deeply forked

Open macular degeneration
macular degeneration

eye disorder causing loss of central vision. The affected area, the macula, lies at the back of the retina and is the part that produces the sharpest

Open Malaria

A parasitic disease caused by four species of PLASMODIUM : P. falciparum, P. vivax, P. ovale , and P. malariae . It causes recurrent episodes of high

Open male reproductive system
male reproductive system

Full answer To understand the male reproductive system we need to look at: its structure how sperm are produced. Components of the male reproductive

Open Malnutrition

Condition resulting from a defective diet where certain important food nutrients (such as proteins, vitamins, or carbohydrates) are absent. It can

Malpighi, Marcello (1628 - 1694)

Place : Italy Subject : biography, biology Italian physician who discovered, among other things, blood capillaries, and pioneered the use of the

Open mammal

an animal of the highest class of vertebrates, the Mammalia. The female has mammary glands, which secrete milk for the nourishment of the young after

Open mammary gland
mammary gland

organ of the female mammal that produces and secretes milk for the nourishment of the young. A mammal may have from 1 to 11 pairs of mammary glands,