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Vernix caseosa
Vernix caseosa This cheesy or waxy substance that coats the fetus in the uterus is believed to protect the skin from exposure to amniotic fluid. Premature babies will be covered with a lot of vernix caseosa, while post-term babies will have almost none.
RELATED TERMS--------------------------------------
Fetus
The stage of human development from 10 weeks' gestation until birth.
Uterus
The uterus is a hollow, pear-shaped organ located in a woman's lower abdomen, between the bladder and the rectum, that sheds its lining each month during menstruation and in which a fertilized egg (ovum) becomes implanted and the fetus develops.
Skin
Skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. Skin is used for insulation, vitamin D production, sensation, and excretion (through sweat).
Premature
The term used to describe babies born before 37 weeks of gestation. Fewer than 10 percent of babies arrive this early.
SIMILAR TERMS--------------------------------------
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Vasectomy
A surgical procedure in which a man's vas deferens is cut, preventing sperm from being ejaculated. While the procedure can sometimes be reversed, is generally considered a permanent form of birth control.
Vasography
A test done on a man to determine whether his vas deferens is blocked, preventing sperm from being ejaculated.
Vegan
More restrictive than a vegetarian diet, which excludes only meat, a vegan diet excludes dairy products as well. Pregnant women wishing to follow a vegan diet should seek the help of a dietitian to make sure their nutritional needs are met.
Vegetarian
A vegetarian diet excludes meats, such as beef, turkey, and pork, but includes dairy products.
Ventilator
A machine used to help a person breathe. Also called a respirator, a ventilator can assist with breathing or breathe entirely for a patient.
Vernix caseosa
Very low birth weight
A baby weighing less than 3.3 pounds at birth is considered very low birthweight, and has a much higher risk of illness.
Viable
Capable of living outside the womb.
Vitamins
Any of a number of complex organic substances found in foods that are essential for normal body functioning.
Ventral pathway
One of two theorized systems of visual information processing. Information though to progress toward the temporal cortex V1-> V2 -> V4 -> IT. Functions for analysis of object qualities such as pattern shapes, size and colors.
Vieth-Muller circle
When the foveal centers are pointed at an object, the range for which images of all other objects fall on corresponding points of zero horizontal disparity. This differs from the perceived range of zero disparity, the Horopter.
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