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This concise overview discusses the natural and abrupt weaning processes in mammals, focusing on the histological changes in the mammary glands during involution stages I and II. The first stage of weaning is marked by acute inflammation, characterized by a significant influx of neutrophils into the alveoli. Following this phase, we examine the histology of both lactating and involuted glands to highlight the cellular dynamics involved in mammary gland transition during weaning.
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Natural weaning Abrupt weaning Involution stage II Involution stage I Histology of involuted gland Histology of lactating gland The first stage of weaning is characterized by acute inflammation.. The alveoli is packed with large number of neutrophils Involution stage I