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.

Nov 2, 2022 · Lacrimal sacs: Lacrimal sacs in the inside corner of your eye collect tears that drain out of your eyes through your lacrimal puncta. They act like temporary reservoirs for tears that …

Mar 5, 2024 · The lacrimal sac refers to the closed, dilated upper portion of the nasolacrimal duct which drains lacrimal fluid ( tears) into the nasal cavity. It measures approximately 12 mm in …

Feb 13, 2025 · The lacrimal sac and its associated drainage system form an intricate network essential for tear flow and ocular surface health.

The lacrimal sac is an integral part of the lacrimal apparatus involved in tear drainage. It is a small, sac-like structure that collects tears from the eye's surface through the lacrimal …

Aug 8, 2023 · The lower system comprises the lacrimal sac and the lacrimal duct. The lacrimal sac is anterior to the orbital septum, nestled in its own fascia in the lacrimal fossa.

The lacrimal sac is part of the apparatus for draining tears from the medial angle of the eye. The lacrimal canaliculi transport tears to the lacrimal sac, and then onto the nasolacrimal duct …

The lacrimal sac is defined as a small, elongated structure, approximately 10 to 15 mm in length and 2 mm in width, that sits in the lacrimal sac fossa and collects tears before they drain into …

The lacrimal sac or lachrymal sac is the upper dilated end of the nasolacrimal duct, and is lodged in a deep groove formed by the lacrimal bone and frontal process of the maxilla.

Sep 23, 2025 · What is dacryocystitis? Dacryocystitis is an infection or inflammation of the tear sac (i.e., lacrimal sac), a small chamber into which tears drain as they leave the eye. The …