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For more information about the ritual consumption of placenta see Placenta: Society and culture. Human and animal placentas are also used as a source of extracts for ingredients in various consumer products such as pharmaceuticals, cosmetics, hair care products, health tonics, and food products other than ritual consumption by the mother or family.
The placenta has high protein, rich iron and nutrient content, but there is inconclusive scientific evidence about any health benefit to its consumption. [5] The risks of human placentophagy are also still unclear, [ 6 ] but there has been one confirmed case of an infant needing hospitalization due to a group B strep blood infection tied to ...
A freemartin or free-martin (sometimes martin heifer) is an infertile cow with masculinized behavior and non-functioning ovaries. [1] Phenotypically, the animal appears female, but various aspects of female reproductive development are altered due to acquisition of anti-Müllerian hormone from the male twin . [ 2 ]
Dried human placenta as medicine (ziheche) (紫河车) Although the placenta is revered in many cultures, there is scarce evidence that any customarily eat the placenta after the newborn's birth. [10] Those who advocate placentophagy in humans believe that eating the placenta prevents postpartum depression and other pregnancy complications.
The form of the human placenta is generally classified as a discoid placenta. Within this, the cotyledons are the approximately 15-25 separations of the decidua basalis of the placenta, separated by placental septa. [3] Each cotyledon consists of a main stem of a chorionic villus as well as its branches and sub-branches. [3]
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Hippomanes arise from unconsumed and thickened nutrient fluid (histiotrophe) of the placenta, in concentric layers around the centre of allantoic calculi of tissue debris. [1] The chemical composition is different to amniotic fluid, which along with the insolubility suggests that it's not a result of a simple precipitation process, but a ...
There is a positive relationship between mass at birth and length of gestation in eutherian mammals. [31] Larger mammals are more likely to produce a well-developed neonate than small mammals.