Larynx and Pharynx Flashcards
The clinical signs most attributed to laryngeal issue?
Stridor
Voice changes
Gagging or coughing.
What phase of respiration is prolonged and labored in laryngeal disease?
Inspiration - as the larynx and surrounding soft tissue get sucked into the area.
Narrowing of the extrathoracic trachea and pharyngeal disease commonly causes what clinical sound which is different from laryngeal disease?
Stertor - thoracic esophagus and pharynx
Laryngeal diseases?
Lar PAr Neoplasia Obstructive laryngitis--- Reflux can cause this Web formation Trauma Foerign body Laryngeal collapse
What is the most common pharyngeal disease in cats?
Lymphomoa and nasopharyngeal polyps
What is a laryngocele and where is it seen>
Paraepiglottic space…usually unilateral
What is the definition of laryngeal paralysis?
Failure of the arytenoid cartilages to abduct during inspiration creating an extrathoracic obstruction.
What nerve innervates the abductor muscles of the larynx?
right and left recurrent laryngeal nerves
The neuromuscular disorder of laryngeal paralysis can be in what three forms?
Congential
Polyneuropathy Complex
Geratric
Masses and trauma where can cause Lar Par?
Anterior thorax
Brachycephalic airway syndrome is common in what breed of cat?
Himalayans
Most common laryngeal tumor of cats?
Lymphoma
What muscle does the recurrent laryngeal nerve innervates?
cricoartenoideus dorsalis
Abductor of the arytenoid cartilage.
The recurrent larygneal nerve is a branch of the?
Vegas
Most common tumor in the larynx?
Tumors originating from outside the larygnx
