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The development of the spinal cord before the arms during prenatal development is an example of?
Wiki User
∙ 14y ago
Embryogenesis is sequential. The axial skeleton, organs, limbs and nervous system develop from 13 embryonic fields. The second field to develop, is the neural tube, which will eventually produce the spinal cord. Limbs do not develop until after the cartilagenous axial skeleton is laid down. Look up Ethne Barnes. She has an in-depth outline of developmental fields.
Wiki User
∙ 14y ago
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What is the vulnerability or prenatal development?
During prenatal development, a particular organ or body part is most vulnerable to exposure to teratogens during its:
What is a teratogen example of radiation?
A teratogen is an environmental factor that causes birth defects during prenatal development. An example of a teratogen is ionizing radiation.
Prenatal Vitamins: For Pregnant Women?
Before, during pregnancy, and after birth, a woman needs to have the proper balanced diet. A prenatal vitamin is loaded with all of the essential nutrients that are important for proper development of the baby during pregnancy. Doctors also recommended taking these vitamins when a woman is trying to conceive. For example, prenatal supplements include Folic Acid, DHA, and Iron. Even after giving birth, a woman could benefit from prenatal vitamins when breastfeeding her baby.
What is the congenital condition of extreme hypothyroidism during prenatal development and childhood?
cretinism
What is evidence of an unused body structure?
The traditional example in humans is the appendix. In most modern mammals the pharyngeal gill slits are another example but only appear during prenatal development. TLDR ; you don't use the gills you develop or your appendix
The heart begins to beat during the period of prenatal development?
18-22 days 18-22 days
During prenatal development what is the correct order in which the internal systems begin to form?
brain,spinal cord,heart and respiration
What is the difference between prenatal natal postnatal antenatal baby infant and children?
Ante means in view of or during. Pre means before. Post means after. So antenatal would be during the pregnancy, prenatal would be before the delivery and postnatal would be after the delivery.
When does the development of female gametes begin?
The development of female gametes, known as oocytes, begins during fetal development. The process starts before a female is born, and reaches a peak number of oocytes around the fifth month of prenatal development. However, oocytes remain in an arrested state of development until a woman reaches puberty.
What do prenatal nurses do once a child is born?
What is a prenatal nurse? A prenatal nurse is a nurse who provides physical and physiological care before, during, and after a pregnancy. There are many different things that a prenatal nurse may do in their job. They can do things such as teaching natural childbirth techniques, monitoring pregnancy, providing physical and emotional support during and after labor and delivery, and promoting healthy mother-child bonding after birth.
What does prenatal mean?
Natal means birth and the prefix pre means before, so prenatal means before birth. If someone is prenatally diagnosed with something, their mother was still pregnant with the child during the diagnosis.
How cann toxins damage to prenatal that cause Mental Retardation?
Toxins can cause damage to the prenatal fetus that can result in mental retardation by interferring with brain development. It can occur at any time during the pregancy, that is what pregnant women have to be very careful about what they come in contact with and what they consume.
