The extraembryonic vascular membranes of 3-day-18-day chick embryos were examined for the presence of mast cells. As early as 3.5 days mast cells were found on the area vasculosa. It is suggested that these cells have a role in angiogenesis of the chick extraembryonic vascular system.
A non-pressurised boot dressing keeps wounds moist, warm and humid, stimulating healing and providing a barrier against wound odour. Its use in the management of problematic neuroischaemic diabetic foot ulcers is reported.
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