Discoveries

The discovery of aspartic acid.

definition Aspartic acid is a nonessential amino acid with the chemical formula C4H7NO4. It is widely distributed in proteins and found as an excitatory neurotransmitter in the central nervous system. It is found especially in young sugarcane and sugar-beet molasses[1]. DISCOVERY The French chemist Auguste-Arthur Plisson discovered[2] aspartic acid in 1827 when repeating an experiment …

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The discovery of the glandula parathyroidea.

definition The glandula parathyroidea (parathyroid gland) is one of two small paired endocrine glands, superior and inferior, usually found embedded in the connective tissue capsule of the posterior surface of the thyroid gland. They secrete parathyroid hormone which regulates the metabolism of calcium and phosphorus. Inadvertent removal of all parathyroid glands, as during thyroidectomy, produces …

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