welcome to a&p unit 8 by vesna gvozdenovic, rn. 1. general ( distributed throughout the body) ...
TRANSCRIPT
![Page 1: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/1.jpg)
WELCOME TO A&P UNIT 8
By
Vesna Gvozdenovic, RN
![Page 2: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/2.jpg)
1. GENERAL ( distributed throughout the body)
2. SPECIAL ( special receptors in localized areas) Eye ( rods and cones) Ear ( organ of Corti and cristae
ampullares Nose ( olfactory cells) Taste buds ( gustatory cells)
![Page 3: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/3.jpg)
Free nerve endings ( skin and mucosa ) Encapsulated nerve endings • Meissner’s corpuscles• Ruffini’s corpuscles• Pacinian corpuscles• Krause’s end-bulbs• Golgi tendon receptors• Muscle spindlesQuestion: where are photoreceptors located?
![Page 4: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/4.jpg)
![Page 5: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/5.jpg)
What is conjunctiva?
What eye structure is involved in a cataract?
Please answer both questions
![Page 6: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/6.jpg)
Myopia ( nearsightedness )
Hyperopia ( farsightedness )
Presbyopia
Astigmatism
Question: do you know what are orthokeratology and vision therapy?
![Page 7: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/7.jpg)
WHAT NUMBER DO YOU SEE?
WHAT NUMBER DO YOU SEE?
![Page 8: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/8.jpg)
![Page 9: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/9.jpg)
1.External ear- Auricle- External auditory canal (tympanic membrane)2.Middle ear- Ear ossicles ( malleus, incus, stapes)- Oval window- Auditory ( Eustachian tube)3.Inner ear- Vestibule, semicircular canals, cochlea
![Page 10: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/10.jpg)
1.CONDUCTION IMPAIRMENTS( blockage of the external or middle ear )• Otitis• Otosclerosis2.NERVE IMPAIRMENT• Chronic exposure to loud noise• Presbycusis• Meniere’s diseaseQuestion: what is another name for the
eardrum?
![Page 11: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/11.jpg)
![Page 12: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/12.jpg)
Chemoreceptors = taste buds Located on special tongue areas (papillae) Gustatory cells = specialized cells in taste
buds
Question: If we eat something very spicy, why do we
instinctively reach for ice cubes?
![Page 13: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/13.jpg)
Olfactory receptors = chemoreceptors
Located in the upper part of the nasal cavity
Very sensitive and easily fatigued
![Page 14: WELCOME TO A&P UNIT 8 By Vesna Gvozdenovic, RN. 1. GENERAL ( distributed throughout the body) 2. SPECIAL ( special receptors in localized areas)](https://reader035.vdocuments.us/reader035/viewer/2022070403/56649f325503460f94c4dbb4/html5/thumbnails/14.jpg)