(11) A state or local government employee is exempt from the requirements of this section if he or she receives a total of at least six hours of training in suicide assessment, treatment, and management from his or her employer every six years.
The endoderm is one of the germ layers formed during animal embryogenesis. Cells migrating inward along the archenteron form the inner layer of the gastrula, which develops into the endoderm. The endoderm consists at first of flattened cells, which subsequently become columnar.
1 Respiratory structures. 2  Urinary bladder and urethra. 3  Mesoderm: The mesoderm is formed during gastrulation from cells that migrate inward and stop between the inner layer (endoderm) and the outer layer (ectoderm). 4  The evolutionary significance of the mesoderm is that it led to the development of Coelom.