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  2. Lacrimal apparatus - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_apparatus

    The lacrimal apparatus is the physiological system containing the orbital structures for tear production and drainage. [1]It consists of: The lacrimal gland, which secretes the tears, and its excretory ducts, which convey the fluid to the surface of the eye; it is a j-shaped serous gland located in lacrimal fossa.

  3. Accessory visual structures - Wikipedia

    en.wikipedia.org/wiki/Accessory_visual_structures

    The lacrimal apparatus is the physiological system containing the orbital structures for tear production and drainage. [3] It consists of: The lacrimal gland, which secretes the tears, and its excretory ducts, which convey the fluid to the surface of the human eye; it is a serous gland located in lacrimal fossa. It is a j-shaped gland;

  4. Lacrimal gland - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_gland

    The lacrimal gland is a compound tubuloacinar gland, it is made up of many lobules separated by connective tissue, each lobule contains many acini.The acini composed of large serous cells which, produce a watery serous secretion, serous cells are filled with lightly stained secretory granules and surrounded by well-developed myoepithelial cells and a sparse, vascular stroma.

  5. Nasolacrimal duct - Wikipedia

    en.wikipedia.org/wiki/Nasolacrimal_duct

    The canal containing the duct is called the nasolacrimal canal.It is formed by indentations in the inferior nasal conchae, maxilla and lacrimal bone.The canal drains into the nasal cavity through the anterior portion of the inferior meatus, which is between the inferior concha and the floor of the nasal cavity.

  6. Lacrimal canaliculi - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_canaliculi

    The lacrimal canaliculi (sg.: canaliculus) are the small channels in each eyelid that drain lacrimal fluid, from the lacrimal puncta to the lacrimal sac. This forms part of the lacrimal apparatus that drains lacrimal fluid from the surface of the eye to the nasal cavity.

  7. Tears - Wikipedia

    en.wikipedia.org/wiki/Tears

    The lacrimal papilla is an elevation in the inner side of the eyelid, at the edge of the lacrimal lake. [10] The lacrimal canaliculi open into the papilla. [10] The opening of each canaliculus is the lacrimal punctum. From the punctum, tears will enter the lacrimal sac, [2] then on to the nasolacrimal duct, and finally into the nasal cavity. [10]

  8. Lacrimal sac - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_sac

    The lacrimal sac or lachrymal sac [1] is the upper dilated end of the nasolacrimal duct, [2] and is lodged in a deep groove formed by the lacrimal bone and frontal process of the maxilla. It connects the lacrimal canaliculi , which drain tears from the eye's surface, and the nasolacrimal duct , which conveys this fluid into the nasal cavity. [ 3 ]

  9. Lacrimal bone - Wikipedia

    en.wikipedia.org/wiki/Lacrimal_bone

    The lacrimal bones are two small and fragile bones of the facial skeleton; they are roughly the size of the little fingernail and situated at the front part of the medial wall of the orbit. They each have two surfaces and four borders. Several bony landmarks of the lacrimal bones function in the process of lacrimation. Specifically, the ...