Skull Yu-Qiang Ding,M.D.,Ph.D. 丁玉强 dingyuqiang@vip.163.com 1
1 Skull Yu-Qiang Ding, M.D., Ph.D. 丁玉强 dingyuqiang@vip.163.com
Head头 Conceptual view The head is composed of a series of compartments that are formed by bone and soft tissues. >The cranial cavity Two ears Two orbits Two nasal cavities >An oral cavity
2 Head 头 Conceptual view The head is composed of a series of compartments that are formed by bone and soft tissues. The cranial cavity Two ears Two orbits Two nasal cavities An oral cavity
▣The cranial cavity contains the brain脑 and associated Ears Cranial cavity membrane(meninges) ▣Two ears耳：external ears are visible,but internal ears are Orbits embedded in a bone. Nasal cavities and ▣Two orbits眶contain paranasal sinuses Choanae the eyes.The apex of cone-shaped chambers Nares. Oropharyngeal Oral fissure isthmus are directed posterio- medially. Oral cavity
3 The cranial cavity contains the brain 脑 and associated membrane (meninges) Two ears 耳：external ears are visible, but internal ears are embedded in a bone. Two orbits 眶 contain the eyes. The apex of cone-shaped chambers are directed posteriomedially
9 B ▣Two nasal cavities Nasal cavities 鼻腔are the upper part of the respiratory tract. -Nasopharynx The anterior openings are Pharynx nares(nostrils),and Oropharynx posterior one is choanae (post.nasal aperture). Laryngopharynx Oral cavity Laryngeal inlet Larynx Trachea Esophagus
4 Two nasal cavities 鼻腔 are the upper part of the respiratory tract. The anterior openings are nares (nostrils), and posterior one is choanae (post. nasal aperture)
▣Two nasal cavities 鼻腔are the upper part of the respiratory tract. Air-filled extensions are paranasal sinuses. 5
5 Two nasal cavities 鼻腔 are the upper part of the respiratory tract. Air-filled extensions are paranasal sinuses