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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.
[13] [14] Iron is needed for the healthy growth of the fetus and placenta, especially during the second and third trimesters. It is recommended that the first and third trimester retain concentrations greater than 11 grams/deciliter and that the second trimester has levels above 10.5 grams per deciliter. [ 15 ]
Sheep have a breeding season (tupping) in the autumn, though some can breed year-round. [1] As a result of the influence of humans on sheep breeding, ewes often produce multiple lambs. This increase in lamb births, both in number and birth weight, may cause problems with delivery and lamb survival, requiring the intervention of shepherds. [2]
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]
This is the mechanism by which milk is transported from the breast alveoli to the nipple. Suckling by the baby innervates slowly adapting [12] and rapidly-adapting [13] mechanoreceptors that are densely packed around the areolar region. The electrical impulse follows the spinothalamic tract, which begins by innervation of fourth intercostal nerves
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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 ...
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