泪骨是一对薄薄的骨，其大小及形状像一手指甲。是脸部最小的骨，这些骨在鼻骨的后外侧壁， 眼眶的内侧壁。泪腺窝（Lacrimal Fossa）内有泪囊位于其中。

• 泪腺
• 泪囊
• 鼻泪管
• 眼睑
• 结膜

The lacrimal bone is the smallest and most fragile bone of the face; roughly the size of the little fingernail. It is situated at the front part of the medial wall of the orbit. It has two surfaces and four borders. Several bony landmarks of the lacrimal bone function in the process of lacrimation or crying. Specifically, the lacrimal bone helps form the nasolacrimal canal necessary for tear translocation. A depression on the anterior inferior portion of the bone, the lacrimal fossa, houses the membranous lacrimal sac. Tears or lacrimal fluid, from the lacrimal glands, collect in this sac during excessive lacrimation. The fluid then flows through the nasolacrimal duct and into the nasopharynx. This drainage results in what is commonly referred to a runny nose during excessive crying or tear production. Injury or fracture of the lacrimal bone can result in posttraumatic obstruction of the lacrimal pathways.