Archive | Y RSS feed for this section

YEVPOV

nerve. A neurosis which as a functional disturbance causes an abnormal secretion of mucus. M. intestinalis membranacea, intestinal catarrh combined with secretion of mucus of nervous origin.

Comments are closed

YOHIMBE OR YOHIMBEHE BARK

The bark of Corynanthe yohimbe, K. Schumann, order Rubiacece, a tree of the Cameroon region.

Comments are closed

YOHIMBIN

A mixture of alkaloids from the bark of Corynanthe yohimbe, K. Schumann; used ai an aphrodisiac. Dose, gr. 3 times daily and as a local anesthetic in 1 % solution.

Comments are closed

YOLK

Y.-nucleus. See under Nucleus. Y.-platelets, bodies found in the eggs of certain fishes; they consist of albumins, lecithins, and mineral salts, and apparently possess a crystalline structure. Y.-stalk, the umbilical duct.

Comments are closed

YTTRIA

1 ttrium oxid.

Comments are closed

YTTRIFEROUS

Yielding yttrium.

Comments are closed

YOUNG FUSTIC

The heartwood of a sumac used in the leather industry.

Comments are closed

YOHIMBINE

A crystalline poisonous alkaloid, extracted from Coryn&nthe yohimbi, used in medicine.

Comments are closed

YTTERBIUM or NEOYTTERBIUM

Atomic weight, 1735. A very rare element found in the mineral gadolinite and associated with yttria. An oxide 3 is known, also a chloride and a sulphate 3.

Comments are closed

YLANG YLANG

A yellow essential oil distilled from the flowers of Cananga odorata of which varieties are known as “cananga” and “manila” oils. They contain methyl and benzyl acetates and benzoates, linalool, geraniol, eugenol, etc. The sp. gr. of ylangylang is given as 09 to 096, and its rotation 170 to 50 degrees, varying with the source of the oil, which is soluble in alcohol and ether, and is used in perfumery.

Comments are closed