We examined the effect of recombinant human osteogenic protein-1 (OP-1, or bone morphogenetic protein-7), a member of the bone morphogenetic protein family, on growth and maturation of day 11, 15 and 17 chick sternal chondrocytes in high density monolayers, suspension and agarose cultures for up to 5 weeks.

Down in the bottoms the sycamore and cottonwood are casting off their yellowing leaves; but the white oak will cling to her gorgeous finery till the blizzard comes shrieking up the gulch to wrest it from her, or until the winking prairie-fire leaps among her branches, and mounting upward to the highest limbs, finally leaves the vain beauty a blackened skeleton.

She and Ricketts — that's his father — just disgraced the neighbourhood with their rowings and their sprees […]

I am resolved to share or avert the danger; which, that I may the better do, I would crave of thee the use of some palfrey whose pace may be softer than that of my destrier.