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100665
Swallowing
Description
bacalaureat Oral Physiology Mind Map on Swallowing, created by Caroline Oxford on 21/05/2013.
No tags specified
oral physiology
oral physiology
bacalaureat
Mind Map by
Caroline Oxford
, updated more than 1 year ago
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Created by
Caroline Oxford
over 11 years ago
59
0
0
Resource summary
Swallowing
Preparatory Phase Oral
Preparatory
Open Mouth
Sub atmospheric pressure
Mastication
Open Oralpharyngeal
Transfer
Swallow bits at a time
Seal off food from vestible
Pressure wave towards pharynx
Brace yourself
Pressure sucks down bolus
Transport Phase Pharyngeal
Between Oropharyngeal sphincter AND
Upper Oesophageal sphincter
4 exits
upper airway
Lower airway
These 3 seal off
entrance and exit through pharynx in 1 sec
40cm/sec down to 4cm/sec so to breath
with food or on own accord with saliva build up
Soft palate elevated to shut nose
Larynx pulled up and forward to meet food
Intrinsic Muscles of larynx abduct
This allows eppiglotis to close over larynx
Pharyngo-oesopageal sphincter opens to allow bolus
Oral pharyngeal
Dysplasia (Difficulty swallowing
Stroke
MS
Bells Palsy
Parkinsons
Oral cavity
Oseophagael Transport Phase
Peristalsis
Waves in Oesophagus
Vagus innervation
Pressure higher in stomach
unctional sphincter to stop regurg
Oesophageal
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