See Also: Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
yolk(2)(dictionary)
yolk sac(medicine)
egg yolk(medicine)
yolk(medicine)
yolk(1)(dictionary)
yolk(dictionary)
yellow yolk(medicine)
yolk sac tumour(medicine)
yolk sac carcinoma(medicine)

yolk (medicine)


yolk


1. The yellow part of an egg; the vitellus.

2. <zoology> An oily secretion which naturally covers the wool of sheep.

<anatomy> Yolk cord, the umbilical vesicle. See Unbilical.

Origin: OE. Yolke, yelke, yolke, yelke, AS. Geoloca, geoleca, fr. Geolu yellow. See Yellow

Alternative forms: yelk.

Source: Websters Dictionary