download pdf. ANATOMY OF LACRIMAL APPARATUS DR.SIDDHARTH GAUTAM 2. Mulay K(1), Rasmussen PK(2), Aggarwal E(3), Honavar SG(4)(5), Heegaard S(2)(6). Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. a short summary of this paper. Lacrimal Apparatus • Lacrimal Apparatus –Lacrimal gland ‐located under the frontal bone at upper‐outer angle of the orbit –Lacrimal canals/ducts (6‐12) –Conjunctival sac Description. These glands are structurally and histologically similar to the main lacrimal gland. Accessory Structures of the Eye Lacrimal apparatus Lacrimal gland- produces lacrimal fluid Lacrimal canals- drains lacrimal fluid from eyes Lacrimal sac- provides passage of lacrimal fluid toward nasal cavity Nasolacrimal duct- empties lacrimal fluid into nasal cavity 1. The liver, gallbladder and pancreas are all accessory organs of digestion. lacrimal glands, into the . Inferior palpebral part Ducts : 10-12 ducts open into superior fornics 1-2 ducts open into inferior fornics You can change your ad preferences anytime. download full pdf package. Ajeeshkumar4u 07:09, 26 May 2020 (UTC) . Looks like you’ve clipped this slide to already. The accessory organs of the abdomen include the liver, gallbladder, pancreas, spleen, adrenal glands, kidneys and the mesentery. 45 terms. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Now customize the name of a clipboard to store your clips. See our Privacy Policy and User Agreement for details. Popov's glands. download free ppt. DEVELOPMENT: Secretory Apparatus Lacrimal gland begins to develop between 6-7th wks. Clark #2 ppt. About 40-42 in upper lid, 6-8 in lower lids. Superior orbital part 2. The lacrimal apparatus comprises the structures concerned with formation of tears i.e the main lacrimal gland and accessory lacrimal glands and its transport Components of lacrimal apparatus Lacrimal gland Lacrimal puncta Lacrimal cannaliculi Lacrimal sac Naso lacrimal duct In humans, they are situated in the upper lateral region of each orbit, in the lacrimal fossa of the orbit formed by the frontal bone. No public clipboards found for this slide. Anatomy and diseases of lacrimal apparatus The lacrimal apparatus consists of -lacrimal gland-lacrimal passages Lacrimal gland consists of 2 parts – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 5829b8-OTFkM conjunctiva, accessory lacrimal glands 7µm thick. The lacrimal functional unit (LFU) includes the lacrimal glands, ocular surface (cornea and conjunctiva), eyelids, meibomian glands, and associated sensory and motor nerves. The accessory lacrimal glands (Krause's glands) are small, mucous accessory lacrimal glands that are found underneath the eyelid where the upper and lower conjuctivae meet.. Their ducts unite into a rather long sinus which open into the fornix conjunctiva. Andrew #2 ppt. Krause's glands, Wolfring's glands (or Ciaccio's glands) and Popov's gland are the accessory lacrimal glands of the lacrimal system of human eye. download free pdf-anatomy.ppt. Instead, atrophy of the occluded … 57 terms. There are chronic irritative symptoms.The cornea shows superficial punctate or a filamentary keratitis. See our Privacy Policy and User Agreement for details. excretory lacrimal ducts, onto the surface of the . If you continue browsing the site, you agree to the use of cookies on this website. Accessory lacrimal glands 4. Ani… Lacrimal gland (Glandula lacrimalis) 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. -about 42 in the upper fornix and 6-8 in the lower fornix. Anatomy of the lacrimal apparatus sivateja, No public clipboards found for this slide, anatomy and physiology of lacrimal apparatus ppt. ACCESSORY LACRIMAL GLANDS 1.Glands of Krause -lying beneath the palpebral conjunctiva between fornix and edge of tarsus. Angel Das. Eye Pathophysiology ppt. Lacrimal gland produce aqueous layer. Accessory Eye Structures. The . ANATOMY OF LACRIMAL Nevertheless, clinicians should include them in the differential diagnosis of eyelid and caruncular lesions. Clipping is a handy way to collect important slides you want to go back to later. These glands are oval and display numerous acini. Accessory lacrimal gland tumours of the eye region. Accessory Lacrimal gland Glands of Krause: In the subconj. Glands of Wolfring are accessory lacrimal glands that secrete antibacterial agents and watery and proteinaceous components of the tear film. lacrimal glands . 6 to 12 excretory lacrimal ducts. Without the lubrication , the shearing forces produced on blinking will cause accumulative ocular surface damage. are each about the size an almond, situated superolateral to the eyeball. If you continue browsing the site, you agree to the use of cookies on this website. accessory glands (focus particularly on their secretory products): apocrine glands (of Moll) tarsal glands (of Meibohm) lacrimal glands (of Wolfring and of Krause , don't worry so much about which lacrimal gland is which, but you should be able to identify lacrimal glands in general and know what they secrete) Ocular Diagnostic Tests ppt. lacrimal gland characteristics-located in lacrimal fossa-bi-lobed, divided by levator aponeurosis (orbital and palpebral)-supported in place with collagen trabeculae. Glands of Krause are located in the stroma of the conjunctival fornix, and the glands of Wolfring are located along the orbital border of the tarsal plate. Glands of wolfring: Situated near upper border of superior tarsus plate, 2-5 in upper lid. 2.Glands of Wolfring -present near the upper border of the superior tarsal plate and the lower border of inferior tarsus. this paper. See our User Agreement and Privacy Policy. Supply aqueous phase of basal tear film. Accessory Structures of Eye • Eyebrows – Prevent running perspiration into eyes – Shade • Eyelids or palpebrae – Consist of 5 tissue layers – Protect eye and lubricate it • Conjunctiva is a thin, transparent mucous membrane – Covers inner eyelid and anterior part of eye • Lacrimal … The main lacrimal gland secretes the middle aqueous layer with an additional minor contribution from the accessory lacrimal glands (the glands of Kraus and Wolfring). Although these lesions have been known to medical science for quite some time, disagreement persists regarding their etiology. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Accessory lacrimal gland (ALG) tumours of the eye region are a rarity. accessory lacrimal glands: [TA] small, compound, branched, tubular glands located sometimes in the middle part of the lid (Wolfring glands, 1872, or Ciaccio glands, 1874) or along the superior and inferior fornices of the conjunctival sac (Krause glands, 1854). Experiments performed around the turn of the last century demonstrated that occlusion of lacrimal system does not result in formation of dacryops. This lacrimal fossa is one of two in each orbit, the other is a more obvious but smaller oval depression on the anterior nasal orbital wall in which the lacrimal sac is located. The liver is the largest organ in the abdominal cavity, and the largest gland in the human body. Author information: (1)Ocular Pathology Service, Centre For Sight, LV Prasad Eye Institute and National Reporting Centre … You can change your ad preferences anytime. main lacrimal gland, accessory lacrimal glands, meibomian glands, and goblet cells. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. apparatus Anatomy of lacrimal apparatus 1. – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 5fbbb0-ZDVkZ If you continue browsing the site, you agree to the use of cookies on this website. If you continue browsing the site, you agree to the use of cookies on this website. Leading from the lacrimal glands are . In the books Endoscopic Surgery of the Lacrimal Drainage System (publisher=Springer |isbn=978-3-319-20632-5), in chapter Anatomy of the lacrimal drainage system a third type of accessory lacrimal gland is mentioned as Popov's glands. Anatomical Consideration Main lacrimal gland : Non-capsulated,multilobular secetory structure Situated in the fossa for lacrimal gland Devided into 2 parts: 1. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Other ocular surface epithelia also contribute to the aqueous layer, eg. The main lacrimal gland is an almond-shaped gland of 20 × 12 × 5 mm in size, situated in the lacrimal fossa in the upper outer portion of the orbital cavity. tissue near fornices. The lacrimal gland is about 15mm wide, 20mm deep and 5mm thick and is located in the upper temporal (nearest the temple) region of the orbit, between the eyeball and the wall of the orbit. See our User Agreement and Privacy Policy. Tears are produced by main and accessory lacrimal glands. 39 terms. ivan chandra. • Accessory glands • Lacrimal Apparatus What is the opening between the upper and lower lid called? 5.5 Tears and the Lacrimal Apparatus The lacrimal apparatus consists of the lacrimal gland, the accessory lacrimal glands and the lacrimal drainage structures. Benign ductal cysts of the accessory lacrimal glands are uncommon lesions of the orbit, arising from the glands of Wolfring and Krause. Now customize the name of a clipboard to store your clips. 38. Inflammation of the lacrimal glands is called dacryoadenitis. More numerous laterally. The acini are surrounded, sometimes incompletely, by a row of myoepithelial cells. Tears (lacrimal fluid) run from the . The lacrimal glands are paired exocrine glands, one for each eye, found in most terrestrial vertebrates and some marine mammals, that secrete the aqueous layer of the tear film. Given the overlapping clinical features of these tumours, the present study highlights the importance of a histopathological assessment in such lesions. Meibomian glands are sebaceous glands that secrete an oily substance with a critical lipid component into the tear film in order to decrease evaporation. Lacrimal Devices Market Growth Analysis & Forecast Report | 2020-2026 - The increasing adoption of secure lacrimal treatment, in order to get better patient outcomes, would greatly shape the lacrimal devices market growth over the forthcoming time period. anatomy and physiology of lacrimal apparatus. Looks like you’ve clipped this slide to already. LACRIMAL SYSTEM SECRETORY APPARATUS: ∙Lacrimal gland & Ducts ∙Accessory glands of Krause and Wolfring EXCRETORY APPARATUS: ∙Puncta ∙Lacrimal canaliculi ∙ Lacrimal sac ∙ Nasolacrimal duct 3. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Clipping is a handy way to collect important slides you want to go back to later.
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