Medical knowledge | Embryology » Development of the vertebral column, the locomotor system and the skull

Development of the vertebral column, the locomotor system and the skull Dr. Miklós Réthelyi Sources: W.J Larsen, Human embryology, Churchil Livingstone K.L Moore, TVN Persaud, The developing human, Saunders J. Szentágothai, M Réthelyi, Funkcionális anatómia, Medicina Development of the vertebral column Mesoderm Somite Sclerotome body Ribs Vertebra arch Sternum Intervertebral disc Costal process Transverse process Costal process Transverse process Spina bifida Myeloschisis Differentiation of the myotome Inductive interactions between somites, neural tube, notochord and surface ectoderm Inductive mechanisms Inducing tissue Inducing substance Responding tissue somatic Development of the limbs Lateral plate mesoderm splanchnic Somites Upper and lower limbs + Skin Bones, joints Epithelium, glands of the skin: ectoderm Muscles Neurons and Schwann cells: neural tube and neural crest Vessels Nerves Somatopleura + + + + +

Origin of the limb musculature: somites Limb rotation Development of the skull Chondrocranium Prechordal cartilage Neurocranium Hypophyseal cartilage Parachordal cartilage Viscerocranium Pharyngeal arches (I-III.) Head mesoderm + occipital somites Mesoderm of the pharyngeal arches Desmocranium Calvaria Fontanelles Maxilla, mandibula etc. Scaphocephaly Turricephaly