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18 Cards in this Set
- Front
- Back
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Which stucture separates the naopharynx and oropharynx? |
Soft palate |
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Which cranial nerves innervate the pharynx? |
Mandibular branch of trigeminal Pharyngeal branch of the vagus Hypoglossal |
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What are the cartilages of the larynx? |
Paired arytenoid Cricoid Epiglottis Thyroid |
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Whoch muscles are responsible for the abduction of the larynx? |
Cricoarytenoideus dorsalis |
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Which muscles are responsible for the adductor muscles? |
Cricoarytenoideus lateralis |
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What are some of the clinical signs of pharyngeal and laryngeal disease? |
Poor performance Resp noise Dysphagia Nasal discharge Coughing Dyspnoea |
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Persistent DDSP can often be due to? |
Epiglottic entrapment Sub-epiglottic ulcer Sub-epiglottic cyst |
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Intermittent DDSP can be due to dysfunction of which nerves? |
Pharyngeal branch of the vagus Hypoglossal |
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How could you confirm a differential dx of DDSP? |
Endoscopy at exercise and rest |
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Nasopharyngeal collapse in sports horses can be exacerbated by what? |
Neck flexion |
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Nasopharygeal displacemeny in foals causes what clinical sign? |
Dysphagia |
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Describe Pharyngeal lymphoid hyperplasia |
many small foci or follicles of lymphoid tissue spread diffusely over the roof and lateral walls of the pharynx |
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Why is it usually the left arytenoid cartilage that suffers from paresis? |
Because of the long path of the left recurrent laryngeal nerve - runs alongside the trachea and loops under the aortic arch |
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Where does the right recurrent laryngeal nerve run? |
Along the trachea and around the subclavian artery |
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Whiich muscle undergoes neurogenic atrophy due to neuropathies of the left recurret laryngeal nerve? |
Cricoarytenoideus dorsalis |
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What sort of poisoning can cause recurrent laryngeal neuropathies? |
Organophosphate |
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Name some differential diagnosise for bilateral recurrent laryngeal paralysis |
Hepatic disease Organophosphate/lead poisoning Post anaesthesia Equine protozoal myeloencephalitis |
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What is axial deviation of the aryepiglottic folds? |
Deviation inwards during inspiration |
