What is the vallecula in the throat?
The valleculae are essentially potential spaces, seen as depressions anterior to the epiglottis, forming the floor of the oropharynx and serve to collect the saliva. The median glossoepiglottic fold separates the two, and laterally, the valleculae are bound by the lateral glossoepiglottic folds.
What’s the vallecula?
Vallecula is a term that means depression in something. The epiglottic vallecula consists of a small mucosa-lined depression (vallecula) located at the base of the tongue just between the folds of the throat on either side of the median glossoepiglottic fold.
Where is the vallecula Epiglottica located?
Anatomical terminology The epiglottic vallecula is a depression (vallecula) just behind the root of the tongue between the folds in the throat. These depressions serve as “spit traps”; saliva is temporarily held in the valleculae to prevent initiation of the swallowing reflex.
Is the vallecula part of the epiglottis?
Anatomical Parts The epiglottic vallecula is a depression just behind the root of the tongue between the medial and lateral glosso-epiglottic folds in the throat. These depressions serve as “spit traps”; saliva is temporarily held in the valleculae to prevent initiation of the swallowing reflex.
How does the upper respiratory tract work in horses?
In horses, breathing issues can be caused by a number of issues. Air enters the upper respiratory tract through the nose, passes through the nasal cavity where it is filtered and adjusts to body temperature. It then carries on into the nasopharynx, over the epiglottis, and through the larynx into the trachea.
What are the capillaries in a horse’s lung called?
There are millions of alveoli in the equine lung, and each is wrapped within a bed of tiny, thin-walled blood vessels called capillaries.
What are the functions of the upper airway?
Upper Airway Anatomy. Functions. warm, filter, and humidify air. Nasal cavity and nasopharynx. Formed by union of facial bones Nasal floor towards ear not eye Lined with mucous membranes, cilia Tissues are delicate, vascular Adenoids. Lymph tissue – filters bacteria Commonly infected.
Where is the maxillary sinus located in a horse?
In horses less than 5 years of age, the reserve crown of the 3rd-6th cheek teeth (Tridan 108, 208, 109-111, 209-211) almost fills the maxillary sinus. The rostral maxillary sinus opens via the nasomaxillary opening into the middle nasal meatus.