Muscle Tear Definition. Pulled muscles, tearing of the muscle fiber and muscle strains are common injuries, usually occurring during a sporting activity. These three names designate one and the same clinical condition, but reflect different degrees of straining muscles.uscle Tear Definition. Pulled muscles, tearing of the muscle fiber and muscle strains are common injuries, usually occurring during a sporting activity. These three names designate one and the same clinical condition, but reflect different degrees of straining muscles.
Noun. 1. egg yolk-the yellow spherical part of an egg that is surrounded by the albumen. yolk. fixings, ingredient-food that is a component of a mixture in cooking; the recipe lists all the fixings for a salad. eggs, egg-oval reproductive body of a fowl (especially a hen) used as food.
The Formation of an Egg (inside a chicken): The Yolk: The chicken egg starts as an egg yolk inside a hen. A yolk (called an oocyte at this point) is produced by the hen's ovary in a process called ovulation. Fertilization: The yolk is released into the oviduct (a long, spiraling tube in the hen's reproductive system), where it can be fertilized internally (inside the hen) by a sperm.