Problems in the upper lacrimal system have often been under-recognized as a cause of epiphora. In this review, we discuss the anatomy of the upper lacrimal system as well as the assessment of tear ...

Canaliculitis is an infection of the lacrimal drainage system, specifically affecting the canaliculi, which are small ducts that drain tears from the eye into the nasal cavity. This condition can ...

Congenital nasolacrimal duct obstruction (CNLDO) is a common condition in infants and young children, characterized by a blockage in the tear duct that can lead to excessive tearing and recurrent ...

it is actually a period within the natural history of the aging lacrimal system – both the production and drainage aspects – when the nasolacrimal duct is patent. During this period ...

Jan. 7, 2025 — A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large ...

National Institute of Diabetes and Digestive and Kidney Diseases. Acid reflux (GER & GERD) in adults. American Society of Gastrointestinal Endoscopy. Quick anatomy lesson: Human digestive system.

A healthy person can have some minor variations in the diaphragm's anatomy. For example, the left or right side may be slightly higher ... and is involved in other body processes like urination and ...

During daily treatment, imaging can be done by the radiotherapy unit (image-guided radiotherapy) to visualise anatomy, ensuring optimal accuracy and precision throughout ... which is now becoming an ...