Lab 21, Station 5: Lungs, pleura, trachea, and bronchi

Lab 21 navigation External Anatomy of the Lungs Apex and base Lobes Left lungĀ = superior (upper) and inferior (lower) Right lung = superior (upper), middle, and inferior (lower) Surfaces = costal, mediastinal, and diaphragmatic Anterior and inferior borders In left lung: Cardiac notch and lingula Oblique fissure in both lungs; horizontal fissure in right lung […]

Lab 21, Station 1: Nose and nasal cavities

Lab 21 navigation The nose has two parts: The external nose is on the face. It functions to direct air (and odors) into the nasal cavities. Identify these parts of the external nose on the face: Apex (ā€œtipā€) Root Dorsum (“bridge”) Alae Nares (“nostrils”) Figure 1. Parts of the external nose. The ā€œskeletonā€ of the […]

Pterygopalatine fossa

Optional reading Moore, Clinically Oriented Anatomy, 9th ed., Pterygopalatine fossa section through The bottom line: Pterygopalatine fossa. The pterygopalatine fossa (PPF) is a small, bilateral bony space immediately behind the maxilla. Shaped like an inverted teardrop, it is about the size of a thumbnail. Bony borders Anterior: Posterior surface of maxilla. Posterior: Anterior surface of […]