A B Nasal cavities 口An oral cavity口腔is separated from the -Nasopharynx nasal cavity by the Pharynx palates. Oropharynx Laryngopharynx Unlike nasal cavity,the Oral cavity -Laryngeal inlet openings (oral fissure and Larynx oropharyngeal isthmus)can Trachea Esophagus be opened and closed
6 An oral cavity口腔 is separated from the nasal cavity by the palates. Unlike nasal cavity, the openings (oral fissure and oropharyngeal isthmus) can be opened and closed
The face面and Scalp:头皮 Scalp Orbicularis oculi Orbicularis oris Face Muscles of the facial expression adjust the contours of the face to relay non-verbal signals. 7
7 The face面 and Scalp头皮 Muscles of the facial expression adjust the contours of the face to relay non-verbal signals
Scalp Scalp 44共 Pericranium External table Diploe Dura Internal table Clinical note:abundant blood supply and serious bleeding. 8
8 Scalp Clinical note: abundant blood supply and serious bleeding
B Skull Coronal suture Sagittal suture Many bones of the head collectively form the skull. Most of them are interconnected by sutures, which are immovable fibrous joints. 9
9 Skull Many bones of the head collectively form the skull. Most of them are interconnected by sutures, which are immovable fibrous joints
Clinical note about the sutures (fontanelle Coronal suture In the fetus and newborn, Sagittal suture large membranous and un- ossified gaps (fontanelles) between the large flat bones Lambdoid suture that cover the top of the cranial cavity,allowing its passage through the birth canal and postnatal growth. Anterior fontanelle Bregma and Lambda in adulthood. Posterior fontanelle 10
10 Clinical note about the sutures (fontanelle 囟) In the fetus and newborn, large membranous and unossified gaps (fontanelles) between the large flat bones that cover the top of the cranial cavity, allowing its passage through the birth canal and postnatal growth. Bregma and Lambda in adulthood