Orbit (anatomy)

（重定向自Bony orbit）

The seven bones that form the orbit:yellow = Frontal bonegreen = Lacrimal bonebrown = Ethmoid boneblue = Zygomatic bonepurple = Maxillary boneaqua = Palatine bonered = Sphenoid boneteal = Nasal bone (illustrated but not part of the orbit)

Tear system:a. tear gland / lacrimal gland,b. superior lacrimal punctum,c. superior lacrimal canal,d. tear sac / lacrimal sac,e. inferior lacrimal punctum,f. inferior lacrimal canal,g. nasolacrimal canal

In anatomy, the orbit is the cavity or socket of the skull in which the eye and its appendages are situated. "Orbit" can refer to the bony socket, or it can also be used to imply the contents. In the adult human, the volume of the orbit is 30 mL, of which the eye occupies 6.5 mL. The orbital contents comprise the eye, the orbital and retrobulbar fascia, extraocular muscles, cranial nerves II, III, IV, V, and VI, blood vessels, fat, the lacrimal gland with its sac and nasolacrimal duct, the eyelids, medial and lateral palpebral ligaments, check ligaments, the suspensory ligament, septum, ciliary ganglion and short ciliary nerves.

单词	Bony orbit
释义	Bony orbit 原声例句 Crash Course 解剖生理学篇 The rest of it is tucked into a pocket of protective fat, tethered down by six straplike extrinsic eye muscles, and jammed into the bony orbit of your skull. 它的其余部分被塞进一个保护脂肪的口袋，被六个带状的外在眼肌拴着，塞进你头骨的骨质轨道。英语百科 Orbit (anatomy) （重定向自Bony orbit） In anatomy, the orbit is the cavity or socket of the skull in which the eye and its appendages are situated. "Orbit" can refer to the bony socket, or it can also be used to imply the contents. In the adult human, the volume of the orbit is 30 mL, of which the eye occupies 6.5 mL. The orbital contents comprise the eye, the orbital and retrobulbar fascia, extraocular muscles, cranial nerves II, III, IV, V, and VI, blood vessels, fat, the lacrimal gland with its sac and nasolacrimal duct, the eyelids, medial and lateral palpebral ligaments, check ligaments, the suspensory ligament, septum, ciliary ganglion and short ciliary nerves.
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