Chapter 15

Chapter 15 - Chapter 15 Special Senses: Vision 1 Accessory...

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Chapter 15 Special Senses: Vision 1
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l Lacrimal apparatus ¡ Lacrimal glands l Superior and lateral in each eye l Produces tears l Several small ducts liberate the tear continually ¡ Excretory ducts Accessory structures of the eye 2
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Lacrimal Apparatus ¡ Lacrimal canal l Medial in each eye ¡ Lacrimal sac ¡ Nasolacrimal duct ¡ Tears l Salt solution l Contains lysozyme and antibodies l Cleanse, protect, moisten and lubricate the eye ball 3
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Accessory structures of the eye l Palpebrae ¡ Lateral canthus ¡ Medial canthus ¡ Caruncle – contains sweat and sebaceous glands 4
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Accessory structures of the eye ¡ Eyelashes ¡ Ciliary glands l Modified sweat glands between the eyelashes ¡ Meibomian or tarsal glands l Posterior to the eyelashes. Secrete oil 5
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Accessory structures of the eye ¡ Sty l Acute inflammation of the ciliary or meibomian gland ¡ Chalazio l Chronic inflammation of the meibomian gland 6
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Accessory structures of the eye l Conjunctiva ¡ Palpebral ¡ Ocular or bulbar ¡ It is a mucosa that secretes mucus ¡ Conjunctivites l Inflamation of the conjunctiva l Extrinsic muscles of the eye ¡ Control eye movement 7
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Chapter 15 - Chapter 15 Special Senses: Vision 1 Accessory...

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