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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
DNA molecules replicate to form identical chromatids DNA molecules replicate to form identical chromatids
Identical twins (monozygotic twins) have the same sex and share a single genotype. Identical twins (monozygotic twins) have the same sex and share a single genotype.
Epigenetic modifications to the genome alter the spacing of nucleosomes Epigenetic modifications to the genome alter the spacing of nucleosomes
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