They drain out of the eyes through two ducts called punctum or lacrimal ducts, one on each of the upper and lower lids. |
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The first step is to cannulate each canaliculus using a lacrimal duct probe. |
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Finally a naso-orbital lesion would emerge through a defect between the frontal and the lacrimal bones. |
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The lacrimal bone is a small and fragile bone at the inner orbit of the eye through which the lacrimal duct runs. |
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The lacrimal bones are thin bones that form the anterior portion of the medial walls of the individual orbits. |
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The maxilla and lacrimal meet on the dorsal rim of this fenestra in a tight, complex suture. |
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In severe cases, occlusion of the lacrimal drainage puncta or tarsorrhaphy will be necessary. |
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A simple and easy-to-perform test assessing the function of the lacrimal glands is the Schirmer's test. |
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From the lacrimal sacs, tears move down through the nasolacrimal duct and drain into the back of the nose. |
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This will consequently elevate the lacrimal punctum into a more favourable position so that the tear film will drain into it more readily. |
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This serves to elevate the lower lid and reposition the lacrimal punctum with significant improvement in tear drainage and distribution. |
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This incision is made on the medial aspect of the puncta and anterior to the lacrimal duct probes. |
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The combination of a paralytic and a senile ectropion leads to a defect of eyelid closure in association with a disorder of lacrimal function. |
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Cutaneous glands include the sebaceous, sweat, lacrimal, and mammary glands. |
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We present the case of a 25 year old male who was admitted for the treatment of a swelling in the right lacrimal area with complaints of epiphora. |
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This chronic condition gradually destroys the exocrine glands function, most commonly the salivary and lacrimal glands, eventually leading to hypo salivation and ocular dryness. |
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Dacryocystitis, inflammation and infection of the lacrimal sac, usually stemming from obstruction of the flow of tears into the nose. |
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The lacrimal bones are the smallest and most fragile of the cranial bones. |
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A surgery consult may be necessary for lacrimal probing, which may be repeated once or twice. |
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These nerve fibres stimulate the lacrimal glands of the orbit, causing the outpouring of tears. |
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Oculoplastic surgery, the eye of science eyelids, lacrimal and orbital disease, which deals with the road is a branch. |
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The lacrimal drainage apparatus consists of the puncta on the upper lid and the lower lid, the canaliculi, the common canaliculus, the lacrimal sac, and the nasolacrimal duct. |
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Sjogren syndrome is characterized by lymphocytic infiltration of exocrine glands, particularly the salivary and lacrimal glands, and by involvement of other organs. |
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Examine the bony orbit, lids, lacrimal apparatus, conjunctiva, sclera, cornea, iris, pupil, lens and fundi. |
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A lacrimal sac tissue biopsy specimen was acquired intraoperatively from the inferior posterior lacrimal sac near the sac-duct junction. |
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The PRTT provides measurements of the residual tear volume in the lacrimal lake and of basal tearing. |
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Medially, the canthal ligament splits and surrounds the lacrimal apparatus. |
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The most commonly infiltrated structures are found within the superior-lateral quadrant, such as the superior rectus muscle, lateral rectus muscle, lacrimal gland and eyelid. |
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A congenital disorder of the lacrimal system characterized by blockage of the nasolacrimal duct and resulting in excessive tearing and mucopurulent discharge from the affected eye. |
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We examined the bacterial flora within the lacrimal sac at the sac-duct junction to explore the possibility of a primary bacteriologic etiology of the inflammatory response. |
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Scintigraphy today is used in functional imaging of tumors, circulatory system, digestive system, urogenital system infections, thyroid, parathyroid, lacrimal glands, skeletal system and respiratory system. |
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Lateral ethmoid with cartilaginous condyle for articulation with lacrimal, supported dorsally and ventrally by osseous laminae. |
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Tears leave the eye through small openings called puncta in the inner corner of the eye and flow into the lacrimal, or tear, sac, from which they drain through a duct the nasolacrimal duct into the nasal cavity. |
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Background: In patients with nasolacrimal duct obstruction, the inflammation and fibrosis may be secondary to coexisting infectious colonization within the lumen of the lacrimal sac. |
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Definition: Chronic inflammatory and autoimmune disease in which the salivary and lacrimal glands undergo progressive destruction by lymphocytes and plasma cells resulting in decreased production of saliva and tears. |
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Another reflex involving the eye is known as the lacrimal reflex. |
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Oral medications may help promote secretion from the lacrimal gland. |
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We found just under the brow of tears secreted by the lacrimal glands, eye-skelter on the surface lubricity, provides protection and clear two holes at the root of the nose and nose are transmitted through thin channels. |
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As of 1990, up to 16 subspecies are recognised, which are divided into four regional groupings based on skull height and lacrimal bone length. |
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Vasoactive intestinal polypeptide stimulation of protein secretion from rat lacrimal gland acini. |
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Next, moving outward, is the watery layer, which consists of water and salt, and is produced by the lacrimal glands. |
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On MRI, the mass showed intense enhancement and involved the right lateral rectus, superior rectus and the right lacrimal gland. |
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This debris runs into the lacrimal drainage system at the inner corner of the eye and into the nose. |
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The tears of the of eye come from the tear gland, called the lacrimal gland, which is located above the outer eye. |
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The preferred location for the ostium created by DCR is through the lacrimal bone in the anterosuperior part of the lateral nasal wall. |
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Lacrimal fluid drains through the puncta into the lacrimal canaliculi and then into the lacrimal sac behind the medial canthal tendon. |
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Evaluation of lacrimal fluid as an alternative for monitoring glucose in critically ill patients. |
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The lacrimal gland is in the ventrotemporal part of the orbit and secretes directly beneath the lower lid via single or multiple ducts. |
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Dryness of the mouth and eyes results from involvement of the salivary and lacrimal glands. |
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Radiography indicates absence of left lacrimal, left 1st, 2nd, 3rd subocular, dentary, premaxillary, and maxillary bones. |
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Epiphora is a sign of lacrimal drainage obstruction or congenital glaucoma. |
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There is often notable conjunctival hyperaemia and might also be associated with oedema of the conjunctiva and eyelids as well as enlargement of the lacrimal gland. |
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The lacrimal glands secrete lacrimal fluid, which is drained by the lacrimal canaliculi into the lacrimal sac and then into the nasal cavity via the nasolacrimal duct. |
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The convex anterior margin ascends to the lacrimal bone and in some patients to the skull base or the lamina papyracea, remaining in contact with the bony lateral nasal wall. |
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They are extramural cells and extend anteriorly into the lacrimal bone. |
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Mucins and TFF peptides of the tear film and lacrimal apparatus. |
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Maki developed a mathematical model to simulate the direction tear film travels when entering the eye from the lacrimal glands above the upper eyelid. |
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While primarily a nasal neoplasm, cases of an inverted papilloma involving the temporal bone, pharynx, nasopharynx, and lacrimal sac have been reported. |
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Characterization of mucins in human lacrimal sac and nasolacrimal duct. |
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The maxillary segment contains its anterior articulation with the prenasal, dorsal articulation with the lacrimal, and ventral articulation with the premaxilla. |
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In aqueous tear deficient dry eye, lacrimal glands do not produce enough tears, whereas meibomian gland dysfunction results in evaporative dry eye. |
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While causes of dry eye disease vary, it is frequently associated with inflammation of the surface of the eye, the lacrimal gland, or the conjunctiva. |
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