6.The front view of skull 2) the orbits眶 ① orbital opening眶口 supraorbital foramen( notch)眶上孔 infraorbital foramen眶下孔 ② orbital apex: optic cana枧神 经管口 ③ superior wall: lacrimal foss泪腺窝 4 medial wall: lacrimal sac fossa E 囊窝, nasolacrimal cana鼻泪管 ⑤ inferior wal: infraorbital fissure眶下裂 ⑥ lateral wall: supraorbital fissure眶上裂 down6.The front view of skull Up (2) the orbits 眶 ① orbital opening 眶口 supraorbital foramen (notch)眶上孔 infraorbital foramen眶下孔 ② orbital apex: optic canal 视神 经管口 ③ superior wall:lacrimal fossa泪腺窝 ④ medial wall: lacrimal sac fossa泪 囊窝,nasolacrimal canal 鼻泪管 ⑤ inferior wall: infraorbital fissure 眶下裂 ⑥ lateral wall: supraorbital fissure 眶上裂 down