Extracts from human menopausal urine containing FOLLICLE STIMULATING HORMONE and LH activity. They are used to treat infertility disorders.

The mechanical laws of fluid dynamics as they apply to urine transport.

An order of the Amphibia class which includes salamanders and newts. They are characterized by usually having slim bodies and tails, four limbs of about equal size (except in Sirenidae), and a reduction in skull bones.

A subphylum of chordates intermediate between the invertebrates and the true vertebrates. It includes the Ascidians.

A subphylum of chordates intermediate between the invertebrates and the true vertebrates. It includes the Ascidians.

An enzyme that catalyzes the conversion of 4,5-dihydro-4-oxo-5-imidazolepropanoate to urocanate and water. EC 4.2.1.49.

An enzyme that catalyzes the conversion of 4,5-dihydro-4-oxo-5-imidazolepropanoate to urocanate and water. EC 4.2.1.49.

A colorless compound formed in the intestines by the reduction of bilirubin. Some is excreted in the feces where it is oxidized to urobilin. Some is reabsorbed and re-excreted in the bile as bilirubin. At times, it is re-excreted in the urine, where it may be later oxidized to urobilin.

An enzyme that catalyzes the formation of hydroxymethylbilane from four molecules of porphobilinogen. EC 4.3.1.8.

A drug that has been used in various urinary syndromes and as an antispasmodic. Its therapeutic usefulness and its mechanism of action are not clear. It may have local anesthetic activity and direct relaxing effects on smooth muscle as well as some activity as a muscarinic antagonist.