Kuliah 7 organ olfactory
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Transcript of Kuliah 7 organ olfactory
![Page 1: Kuliah 7 organ olfactory](https://reader031.fdocument.pub/reader031/viewer/2022021813/58cec0901a28ab09548b4d4b/html5/thumbnails/1.jpg)
Anatomi Organ Olfactorius (Pembau)
Bagian Anatomi, Histologi, dan EmbriologiDepartemen Anatomi, Fisiologi dan Farmakologi
FKH-IPB
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What is the Nose ?
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N. olfactorius : Sensor Bau
Movie: smell
N. olfactorius Mukosa hidung
Rongga hidung
Sel basal
Sel penunjang
Sel reseptor
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Hidung permukaan internal
Sinus frontalis
N. ethmoidal anterior
Bulbus olfactorius
N. olfactorius
Cabang nasalis interna dari
N. ethmoidal anterior
Ganglion pterygopalatinum
(dlm canalis pterygoideus)
Septum nasi
N. nasopalatinus
N. Palatinus major
N. Palatinus minor
Bulbus olfactorius
Sel reseptor
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Epitel Pembau
Terletak di dalam rongga hidun, terdiri dari:
1. Sel-sel reseptor olfactori dilengkapi dengan silia yang menjulur dari dendrit (kemoreseptor)2. Sel-sel Supporting3. Sel-sel basal yang selalu memperbarui
diri
Epitel terjaga kelembabannya oleh sekresi kelenjar olfactorius(Bowman’s). Cairan mukus ini juga berfungsi menetralisir bau
Sel basal
Sel penunjang
Sel reseptor
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Epitel Olfactorius (Pembau)
Axon sel
reseptor
dari
bulbus
olfactorius
Sel
penunjang
Sel
olfactorius
Lapisan
mukus
Silia
olfactorius
Sel basal
Sel reseptor
Sel reseptor
Os cribrosa
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Axon sel
reseptor
(ke bulbus
olfactorius)
Sel
penunjang
Sel
olfactoriusLapisan
mukusSilia
olfactorius
Sel basal
sedang
membelahSel reseptor
Sel reseptor
baru
Os cribrosa
Kelenjar
Bowmans
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Tujuh Macam Molekul Dasar Bau
Floral
Pepperminty
Musky
Pungent (seperti bumbu)
Camphoraceous (seperti kamper atau balsem)
Ethereal (seperti cairan pencuci/pembersih)
Putrid (seperti telur busuk)
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Hyposmia
Penurunan kemampuan membau
1. Umur tua (pada manusia umur 65 tahun: 50%, umur 80 tahun :75%)
2. Merokok
3. Gangguan syaraf : cedera kepala, Alzheimer, Parkinson
4. Obat-obat tertentu : antihistamin, analgesik, steroid
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Fungsi lain organ pembau
Perilaku sexual, perilaku makan dan fungsi interaksi sosial lain
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Flehmenmembaui feromon
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Menandai wilayah
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Lobus olfactorius
Hypothalamus
Mukosa olfactorius
Rongga hidung
Organ vomeronasal
Mulut
Lidah
Organ Vomeronasal (VNO)Organ Jacobsoni
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VNO
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Terima Kasih