How does food intake of protein enter the body?
In addition to the energy supplied, the protein in food is mainly used as raw material for body growth, renewal and repair.
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How do venous valves work?
Blood is pumped out of the heart by the arteries, delivered throughout the body and back through the veins to the heart. Therefore, in an upright human body, venous blood can overcome the effect of gravity and return from the lower limbs to the upper heart, which requires relying on the venous valve.
Five factors that are difficult to heal wounds
Whole body malnutrition with cancer, diabetes, tuberculosis and other chronic wasting disease, most of the body nutrition is poor, the body resistance is weak, thus affecting the wound healing.
The mechanics of bedsore
Normal capillary pressure is 2 ~ 4kpa, the external pressure exceeds 4kpa, pressure duration of more than 2-4h, it will affect the local tissue microcirculation, limiting blood flow, causing soft tissue ischemia, resulting in Pressure ulcers.
US human placenta program begins study on human placenta
The placenta carries nutrients and oxygen from the mother’s blood to infants and filters out unwanted substances; poor functioning can lead to many health problems, from premature birth to adult diabetes.
The role of macrophages in the process of wound repair
During wound healing, M1 and M2 macrophages have significant differences in glucose, amino acids, and iron metabolism when they perform their different functions.
Oxytocin promotes maternal behavior in mice or can treat depression
Oxytocin is likely also involved in the processing of the olfactory bulb and visual signals. And can promptly improve treatment of autism or postpartum depression and other diseases.
Fibroblast and wound repair
Fibroblasts proliferate largely through mitosis and synthesize and secrete large amounts of collagen fibers and matrix components from 4 to 5 days or 6 days to form granulation tissue together with nascent capillaries to fill wound tissue defects.
Care methods for stroke paralyzed elderly
Due to paralysis of limb movement and sensory disturbances, local vascular neurotrophic poor, if the oppression for a long time, prone to bedsores.
Mother’s voice plays an important role in infant brain development
The baby’s brain itself may depend on the mother’s voice and heartbeat for development.