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.
Many stages of prenatal development can be identified, especially in the early days and weeks of life when change takes place at an extremely rapid pace. The following are the primary stages: 1  Zygote âA single-celled human being from the moment of conception until the first cell division.