Where Do Horse Sinuses Drain?

In a healthy horse, mucus flows through the sinuses, ending with the maxillary sinuses, where it then drains into the nasal passages through a narrow opening and out through the nostrils.

How do secretions drain from the paranasal sinuses in a horse?

Fluids from the caudal sinus system can flow through the caudal sinonasal channel into the common sinonasal channel. It is the authors’ assumption that from here fluids can drain either via the nasomaxillary aperture into the nasal cavity or via the rostral sinonasal channel into the rostral sinus system.

Where are a horses sinus located?

Sinus cavities are located on each side of the horse’s head, above, below and between the eyes, and extending down the face to a point level with the end of the very obvious facial crest.

How do you clear a horse’s sinuses?

One surgical option is to do a trephination into the infected sinus. This involves drilling a hole that is approximately ¾ inch in diameter, with the horse sedated and standing. The puss within the sinus can be flushed through the trephine hole.

What are the sinuses of the horse?

The sinuses are air-filled cavities within the head of the horse. The sinuses also accommodate some of the maxillary premolar and molar tooth roots (upper cheek teeth), facilitate passage of facial nerves, and extend around (above and below) the horse’s eyes and end around the facial crest.

Where does the caudal maxillary sinus drain?

Drainage takes place through the fronto-maxillary foramen into the caudal maxillary sinus (CMS). The ethmoidal and sphenopalatine sinuses also drain via the CMS into the middle nasal meatus. The rostral maxillary sinus (RMS) has an independent drainage ostium, again into the middle nasal meatus.

What causes nasal discharge in horses?

The common causes of nasal discharge include strangles, sinus infections, tooth problems, and guttural pouch infections. Bilateral (both nostrils) occurs when the source of the mucus is distal to the nasal openings. This would include strangles and guttural pouch infections.

Why does my horse have yellow snot in one nostril?

a thick white or yellow discharge is often a sign of a bacterial infection. However, this may also indicate fungal infection in some cases, or even african Horse sickness which is viral but can cause white frothy discharge.

Where does snot drain from?

Nose and throat glands produce about a quart or two of mucus a day, and most of the time it’s able to drain normally. It drips down the back of your nose into the back of your throat, mixes with saliva, and is swallowed without you noticing it.

Where are the 4 sinuses located?

Your cheekbones hold your maxillary sinuses (the largest). The low-center of your forehead is where your frontal sinuses are located. Between your eyes are your ethmoid sinuses. In bones behind your nose are your sphenoid sinuses.

What does green snot in a horse mean?

In this instance, a green (purulent) discharge would, most likely, indicate the presence of a viral infection, which are often highly contagious to other horses. The most common viral respiratory infections are equine influenza, herpes virus and rhinotracheitis.

Can you touch a horses nose?

Horses prefer to be rubbed and stroked over being tickled or slapped, and they often don’t want rubbing on sensitive areas like the flank, girth, belly, nose, ears, and legs.

Is nasal discharge normal in horses?

A nasal discharge can vary from a slight, clear drip, to a profuse, foul smelling heavy discharge, perhaps containing blood or food material. It is normal in a lot of horses to have a slight clear discharge after exercise.

How do I get rid of trapped sinus mucus?

Ways to Get Excessive Mucus Under Control
Try using a saline (not medicated) nasal spray a few times a day. Consider using a neti pot to rinse your sinuses (make sure you only utilize sterile, pre-boiled & cooled, or distilled water in it). Drink plenty of water and other fluids each day.

How do I get rid of Cannon crud on my horse?

Regular grooming with a gentle rubber curry comb can help remove the build-up of excess skin debris. Periodic cleansing and removal of the crusty scales and debris with keratolytic (anti-dandruff) shampoos can be helpful in managing the condition too.

What is the largest sinus in the horse?

The maxillary sinus
The maxillary sinus is the largest paranasal sinus and is divided by a thin septum into caudal and rostral parts.

What are the 4 types of sinuses?

Paranasal sinuses are named after the bones that contain them: frontal (the lower forehead), maxillary (cheekbones), ethmoid (beside the upper nose), and sphenoid (behind the nose).

What is lymphatic drainage in horses?

Lymphatic drainage removes the blocks and restores the natural flow. Poor lymphatic drainage in the legs can result in a horse stocking up when confined to a stall. Opening the lymph vessels in the area can help prevent the swelling of the legs.

Why are maxillary sinuses hardest to drain?

The ostia for drainage are located high on the medial wall and open into the semilunar hiatus of the lateral nasal cavity; because of the position of the ostia, gravity cannot drain the maxillary sinus contents when the head is erect (see pathology).

Which meatus does the maxillary sinus drain into?

The middle meatus drains the frontal, anterior ethmoid, and maxillary sinuses.

How do you manually drain your maxillary sinuses?

Maxillary Sinus Massage
Place each of your index and middle fingers on either side of your nose, just between your cheekbones and upper jaw. Try using your thumbs instead of your index fingers for stronger pressure. Gently massage this area using a circular motion. Repeat for around 30 seconds to a minute.