Medical Definition of COMPLEX CARBOHYDRATE. : a polysaccharide (as starch or cellulose) consisting of usually hundreds or thousands of monosaccharide units; also: a food (as rice or pasta) composed primarily of such polysaccharides.ADVERTISEMENT.noun.efinition of COMPLEX CARBOHYDRATE. : a polysaccharide (as starch or cellulose) consisting of usually hundreds or thousands of monosaccharide units; also: a food (as rice or pasta) composed primarily of such polysaccharides. ADVERTISEMENT. noun.
Freebase (0.00 / 0 votes) Rate this definition: Pyridoxine. Pyridoxine is one of the compounds that can be called vitamin B6, along with pyridoxal and pyridoxamine. It differs from pyridoxamine by the substituent at the '4' position. Its hydrochloride salt pyridoxine hydrochloride is often used.
Thyroxine. (3,5,3â,5â,-tetraiodothyronine), the principal thyroid hormone in vertebrate animals and man, produced by the thyroid follicles. Thyroxine is synthesized by iodination of the amino acid tyrosine and the oxidative condensation of two diiodotyrosine molecules with the splitting off of alanine. hormone secreted by the thyroid gland. Thyroxine (structure 1) is quite similar chemically and in biological activity to triiodothyronine (2). Both are derivatives of the amino acid tyrosine and are unique in being the only iodine-containing compounds of importance in the economy of all higher forms of animal life.