Treating Physician Law and Legal Definition. A treating physician is defined as âsomeone who provides you, or has provided you, with medical treatment or evaluation and who has, or has had, an ongoing treatment relationship with you.
In the first four weeks from conception, fetal growth of the ovum begins with development of the spinal cord, nervous system, gastrointestinal system, heart and lungs. By eight weeks, in the embryonic stage, the face is forming, arms and legs move, the baby's heart begins beating and the brain and other organs form.
All of the processes of embryo development are described by the term embryogenesis. The embryo is called a fetus after the completion of this stage of development. The stage of prenatal development that occurs from the end of the embryonic period until birth is called the fetal period.The most notable development during this stage is the dramatic change in size that takes place. This is the baby's final preparation for life outside the womb.hink of Steve and Jennifer's baby as spending the germinal period looking for a place to live. Now that she's found her place, she's ready to start organizing for the work she has ahead of her. This is the embryonic period of prenatal development.