Suprapharyngeal lymph node are situated close together on the median line of the dorsal wall of the pharynx medial to the great cornu of hyoid bone.Afferents: Cheek, tongue, hard plate, gums, sublingual salivary gland, muscles of head and bones of the skull.Mandibular lymph node is situated superficially on the lower part of the mandibular salivary gland below the external maxillary vein and is covered by the tendon of insertion of sterno mandibularis.Afferents : Muscles of the head, eye, eyelids, external ear, parotid salivary glands, lips, cheeks, anterior part of turbinates, frontal, nasal, malar and premaxillary bones.Protid lymph node is situated superficially on the lateral face of the posterior portion of the masseter muscle partly under cover of the parotid salivary gland.Pterygoid lymph node is a very small gland (absent in horse and dog) situated on the upper part of the lateral face of the pterygoid near the maxillary tuberosity.
Lymph drainage of the head region in cattle Pterygoid lymph node
