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Full-thickness, dermal wounds were surgically created on the dorsa of fetal rats on the 17th day of gestation. The granulation tissue which developed after 2 days (19 days of gestation) was harvested from six to nine animals and pooled and the collagen was extracted with 0.5 M acetic acid and acetic acid plus pepsin. The ratio of type III:type I collagen(More)
Minimizing the morbidity of in utero surgery or, perhaps more important, capturing the unique characteristics of scarless remodeling, as is the fetal response to injury, demands better elucidation of the observed variations from adults in whom the normal progression of wound healing leads to fibrosis. Species-dependent fetal phlogistic responses and wound(More)
The absence of apparent scar formation following the creation of surgical wounds in utero appears to be a phenomenon peculiarly privileged as a sequela of fetal wound healing. Little information exists to explain this disparity from our knowledge of adult wound healing. Therefore, following creation of surgical wounds in fetal rats, at different intervals(More)
Four distinct spectrin alpha II domain polymorphisms are known to occur in several nonwhite populations. Type 1 is essentially the only form found in whites and is also the most common form in nonwhites. In contrast to most other spectrin mutations that are single-base substitutions, two of the alpha II domain polymorphisms, types 2 and 3, are particularly(More)
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