Lacrimal gland: Anatomy, supply and function | Kenhub
2023年10月30日 · The lacrimal gland (tear gland) is an exocrine gland located above the eyeball, in the anterior part of the upper outer aspect of each orbit. It secretes lacrimal fluid (tear fluid), a watery fluid isotonic to plasma, onto the surface of the eyeball.
Lacrimal Glands and Apparatus - Vasculature - TeachMeAnatomy
2018年9月23日 · The lacrimal glands are serous type exocrine glands that secrete lacrimal fluid onto the surfaces of the conjunctiva and cornea of the eye. Lacrimal fluid acts to the clean, nourish and lubricate the eyes. It forms tears when produced in excess.
Anatomy, Head and Neck: Eye Lacrimal Gland - StatPearls - NCBI Bookshelf
2023年7月24日 · The lacrimal gland is a bilobed, tear-shaped gland with the primary function of secreting the aqueous portion of the tear film, thereby maintaining the ocular surface. It is primarily located in the anterior, superotemporal orbit within the lacrimal fossa of the frontal bone.
Lacrimal Gland: Anatomy, Function, and Tests - Verywell Health
2024年7月6日 · The lacrimal gland is a small, almond-shaped gland that sits in the upper, outer corner of the eye socket, just about parallel to the outer edge of your eyebrow. It produces the aqueous (watery) portion of tears. Tears have three layers—water, mucus, and oil layers.
Lacrimal gland - Wikipedia
The lacrimal gland produces tears which are secreted by the lacrimal ducts, and flow over the ocular surface, and then into canals that connect to the lacrimal sac. From that sac, the tears drain through the lacrimal duct into the nose.
Tear System (Lacrimal Apparatus): Function and Anatomy - Cleveland Clinic
2022年11月2日 · Your tear system (lacrimal apparatus) is a network of glands, sacs and ducts around your eyes. It makes new tears and drains old ones out of your eyes. Dry or watery eyes are the most common symptom of something interfering with your tear system.
Lacrimal Gland Anatomy and Functions - Vision Center
2024年10月9日 · The lacrimal gland, a small organ in the human eye, is located above the eyeball towards the upper outer corner of the eye socket. This gland secretes the watery part of tears (lacrimal fluid) that cleanses, lubricates, and nourishes the eyes, often causing tearing when produced excessively.
Lacrimal gland - Location, Structure, Function, Diagram
2024年9月28日 · The lacrimal gland is a tear-producing gland located in the orbit of the eye. It is responsible for secreting the aqueous layer of the tear film, which keeps the surface of the eye moist, nourished, and protected.
Lacrimal apparatus: Anatomy, parts & function | Kenhub
2023年7月12日 · The lacrimal gland is composed of cells that produce proteins and electrolytes, and cause water to follow by osmosis. The blood supply of the gland is from the lacrimal artery (a branch of the ophthalmic artery), with the venous drainage through the superior ophthalmic vein.
Lacrimal Gland | Complete Anatomy - Elsevier
The lacrimal gland is a lobulated exocrine gland. It is located in the superior lateral corner of the orbit (orbital part) extending out into the upper eyelid (palpebral part), continuous with each other posterolaterally around the levator palpebrae superioris muscle.
Lacrimal Gland | Complete Anatomy - Elsevier
Discover the structure, key features, and functions of the lacrimal gland, responsible for tear production and eye protection.
Lacrimal Gland - All About Vision
2021年4月21日 · Anatomy of the lacrimal gland Each lacrimal gland is shaped like an almond and is located above the outer corner of the eye. The lacrimal artery brings the blood supply, and nerve fibers as well as muscle cells help activate the gland and expel fluid.
Lacrimal Gland - American Academy of Ophthalmology
2016年3月28日 · Read an overview of general eye anatomy to learn how the parts of the eye work together. Located above the eye, this structure produces tears.
Lacrimal apparatus - Structure, Function, Location, Diagram
2024年9月28日 · Below is a detailed description of each part of the lacrimal apparatus. The lacrimal gland is the primary structure responsible for tear production and consists of two parts: the orbital and palpebral lobes.
Anatomy and Physiology of the Lacrimal System | SpringerLink
The complete system is divided into two different parts: the secretory apparatus that produces and secrete the tear film onto the ocular surface (the lacrimal glands, the accessory lacrimal glands, the Meibomian glands, and the conjunctival goblet cells); the lacrimal drainage system that facilitates the flow of tears into the nasal cavity.
Anatomy of Lacrimal Apparatus made insanely easy
The lacrimal gland is of the size of an almond measuring approximately 2 x 1.2 x 0.5 cm. It is situated in a depression present in the superolateral aspect of the orbit known as the lacrimal fossa.
Eye anatomy: Muscles, arteries, nerves and lacrimal gland - Kenhub
2023年11月3日 · The lacrimal gland is a part of the lacrimal apparatus, which besides the gland consists of its numerous ducts, the lacrimal canaliculi, lacrimal sac and nasolacrimal duct.
Lacrimal gland - e-Anatomy - IMAIOS
The lacrimal gland is lodged in the lacrimal fossa, on the medial side of the zygomatic process of the frontal bone. It is of an oval form, about the size and shape of an almond, and consists of two portions:
The Eyelids - Conjunctiva - Muscles - Lacrimal Glands
2020年10月25日 · There are also sebaceous glands located in this layer, known as the glands of Zeis. The orbicularis oculi muscle has three distinct parts – palpebral, lacrimal and orbital. Attachments – Originates from the medial orbital margin, the medial palpebral ligament, and the …
Lacrimal Gland - an overview | ScienceDirect Topics
The lacrimal gland is a compound tubuloalveolar serous gland composed primarily of acinar, ductal, and myoepithelial cells (Figure 1). Acinar cells account for over 80% of the cell type present in the lacrimal gland and form the site for synthesis, storage, and secretion of proteins.