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 …

It is the space between the eyelids and the eyeball to cover, lubricate and protect it. It has a thin and transparent tissue known as the conjunctiva, which allows the eye to be lubricated through …

2019年2月26日 · An important structure on the surface of the eye is one you can’t easily see — it’s called the conjunctiva. Conjunctiva definition. The conjunctiva is the clear, thin membrane …

The lacrimal sac is the bulbous, closed superior end of the nasolacrimal duct. The superior and inferior lacrimal canaliculi empty into it. The sac serves as a receptacle to collect tears before …

2023年9月21日 · The conjunctiva is a thin layer of clear tissue that lines the inside of the eyelid and covers the white of the eye (sclera). This mucous membrane makes fluids to keep the eye …

2025年1月22日 · The lacrimal sac plays a crucial role in the drainage of tears from the eye to the nasal cavity. It is a key component of the lacrimal apparatus, which helps maintain eye …

The conjunctival sac is the space bound between the palpebral and bulbar conjunctiva in to which the lacrimal fluid is secreted and opens interiorly between the eyelids. it ends at the superior …

2023年11月3日 · The main function of the eye is sight, and the nerve that enables sight is the optic nerve (CN II). Nerves that innervate the extraocular muscles are called bulbomotors and …

In human eye: The conjunctiva …upper and lower fornices, or conjunctival sacs; it is the looseness of the conjunctiva at these points that makes movements of lids and eyeball …

2021年4月2日 · Conjunctival sac: The conjunctiva while lining the structures like the posterior part of the lids and anterior part of the globe forms a sac that opens at the palpebral fissure.