Explain the role of the hypothalamus in the synthesis, storage, and release of neurohormones from the posterior pituitary

Explain the role of the hypothalamus in the synthesis, storage, and release of neurohormones from the posterior pituitary. Heart: Describe the microscopic anatomy of the contractile myocardium, including the arrangement of contractile fibers and the location, structure, and function of the intercalated discs and gap junctions.