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With the brain, this process happens early in development, again during puberty, and pregnancy probably reflects another wave of cortical refinement.” Increase in brain white matter during pregnancy
Nine-week-old human embryo from an ectopic pregnancy. Organogenesis is the development of the organs that begins during the third to eighth week, and continues until birth. Sometimes full development, as in the lungs, continues after birth. Different organs take part in the development of the many organ systems of the body.
Researchers have created one of the most detailed maps of how pregnancy changes the brain, according to a new study. ... the menstrual cycle, menopause and now, in this paper, one of the largest ...
The development of the nervous system in humans, or neural development, or neurodevelopment involves the studies of embryology, developmental biology, and neuroscience.These describe the cellular and molecular mechanisms by which the complex nervous system forms in humans, develops during prenatal development, and continues to develop postnatally.
It is initiated by hormonal signals from the brain to the gonads: the ovaries in a girl, the testicles in a boy. In response to the signals, the gonads produce hormones that stimulate libido and the growth, function, and transformation of the brain, bones, muscle, blood, skin, hair, breasts, and sex organs.
Researchers said the findings, based on brain scans from one mother, may represent one of the first comprehensive maps of changes in the organ before, during and after human pregnancy.
Scans of the changes that occur in the brain of a pregnant woman. Researchers followed a 38-year-old woman three weeks before conception, and two years postpartum, tracking the changes to her ...
Generally speaking, fetal motility can be classified as either elicited or spontaneous, and spontaneous movements may be triggered by either the spine or the brain. Whether a movement is supraspinally determined can be inferred by comparison to movements of an anencephalic fetus. [2] This article primarily deals with voluntary and reflex movements.