ЛЕКЦИЯ № 36. Oral cavity

The oral cavity forms in the embryo from an in-pocketing of the skin, stomodeum; it is, thus, lined by ectoderm. Functionally, the mouth forms the first [...]

ЛЕКЦИЯ № 35. Pharynx and related areas

The pharynx is a passageway shared by the digestive and respira tory systems. It has lateral, posterior, and medial walls through out, but is open interiorly [...]

ЛЕКЦИЯ № 34. Nasal cavities

The anatomical structures that play a central role in the res piratory system are located in the head and neck as well as the thorax. Nasal cavities are [...]

ЛЕКЦИЯ № 33. Pleura

Visceral pleura is a thin serous membrane that covers the outer surface of the lungs. A delicate connective tissue layer of collagen and elastin, containing [...]

ЛЕКЦИЯ № 29. The nose

The respiratory system permits the exchange of oxygen and carbon dioxide between air and blood by providing a thin cellular membrane deep in the lung that [...]