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The development of the spinal cord before the arms during prenatal development is an example of?
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.
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During which stage of prenatal development does the fetal period of development occur?
The fetal period of development occurs during the third stage of prenatal development, which is the fetal stage.
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:
During which stage of prenatal development does the fetal period occur?
The fetal period occurs during the third stage of prenatal development.
Is it possible to determine the health and development of a live fetus during a prenatal ultrasound examination?
Yes, it is possible to determine the health and development of a live fetus during a prenatal ultrasound examination.
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.
When does a female fetus develop eggs during prenatal development?
A female fetus develops eggs during prenatal development while she is still in her mother's womb. This process begins around the 12th week of pregnancy.
What is the congenital condition of extreme hypothyroidism during prenatal development and childhood?
cretinism
What stage of prenatal development does implantation occur?
Implantation occurs during the blastocyst stage of prenatal development, typically around 6-10 days after fertilization. During this stage, the blastocyst embeds itself into the lining of the uterus in a process that is essential for pregnancy to continue.
Definition of prenatal?
Prenatal refers to the period occurring before the birth of a baby, specifically during the stages of pregnancy. It encompasses all aspects of care, development, and health considerations for the fetus and the expectant mother. Prenatal care often includes regular medical check-ups, screenings, and education to ensure a healthy pregnancy and prepare for childbirth.
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
During prenatal development what is the correct order in which the internal systems begin to form?
brain,spinal cord,heart and respiration
The heart begins to beat during the period of prenatal development?
18-22 days 18-22 days
