Histological Changes in Rat Fetal Skin Development Between Gestational days 8-14

Abstract

skin is formed by epidermis, dermis and hypodermis and this forma is indicated as embryological Perspective, Epidermis is derived from ectoderm, while dermis and hypodermis. Are originating from meso derma. The present study was designed to follow up the embryonic development of skin in bat at different stage of embryonic Period, (65) Sixty five Rats was included in this study. Twenty two(22)  adult male and fourth three  (43)adult female. The mating af animal was Performed and the whole females were put under observation to ensure its comes to pregnancy by showing the preserve of reginal plague at day one after meeting. From day eight to tenth of pregnancy. the skin of fetus were examined which indicated the presence of delicate Cells in the epidermis with farces of Keratin. The deeper layers were containing Newly formation of blood vessels  without blood, finny hairs, sweat ducts and nerve Connection were Still newly formed which continue to fourteenth day of Pregnancy, The next days of pregnancy indicated Progress growth of epidermal cells and Collagen fibers in the dermis associated with Primordial hair follicles. The conclusion / Between day 8 and 14 of pregnancy the fetus of Rats were developed its skin and continuous growth of the skin layers with its accessories.