Intramembraneous ossification starts in connective tissue from mesenchymal cells that become osteoblasts. These osteoblasts cluster togehter into an ossification center. Endochondral ossification starts with a hyaline cartilage template. Mesenchymal cells become osteoblasts and begin forming bone around the cartilage.
Noun. 1. farm bill-a statute that would regulate farm production and prices.oun. 1. farm bill-a statute that would regulate farm production and prices.
a tract of land, usually with a house, barn, silo, etc., on which crops and often livestock are raised for livelihood. 2. land or water devoted to the raising of animals, fish, plants, etc.: a pig farm; an oyster farm; a tree farm.