Where is the pterygomandibular raphe located?
Where is the pterygomandibular raphe located?
The pterygomandibular raphe lies between the anterior tonsillar pillar and the retromolar trigone 2. The pterygomandibular fold overlies the raphe within the mouth, and serves as an important landmark for an inferior alveolar nerve block 3.
Where is the pharyngeal raphe located?
The pharyngeal raphe extends inferiorly from the skull base through all three sets of pharyngeal constrictor muscles beginning at the pharyngeal tubercle on the occipital bone and ending in the lower part of the inferior constrictor muscles (Fig. I).
Why is the pterygomandibular raphe important?
The pterygomandibular raphe is an important conduit in the spread of head and neck malignancy. Recognition of this structure and its associated anatomy is necessary for image interpretation and subsequent treatment of oral cavity cancers.
What is raphe anatomy?
Definition of raphe 1 : the seamlike union of the two lateral halves of a part or organ (such as the tongue) having externally a ridge or furrow. 2a : the part of the stalk of an anatropous ovary that is united in growth to the outside covering and forms a ridge along the body of the ovule.
What is raphe made of?
In animal anatomy it is used to describe a ridged union of continuous biological tissue. There are several different significant anatomical raphes: The raphe nucleus is a moderate-size cluster of nuclei found in the brain stem that releases serotonin to the rest of the brain.
What Innervates the larynx?
The vagus nerve is the large nerve that supplies the many branches of nerves that innervate the larynx. The superior laryngeal nerve, its external and internal branches, and the recurrent laryngeal nerve all have very distinct roles in motor and sensory innervation of the larynx.
What muscles make up the Pterygomandibular raphe?
Posteriorly, parotid glandular tissue curves medially around the back of the mandibular ramus to form a posterior border, while anteriorly the buccinator and superior constrictor muscles come together to form a fibrous junction, the pterygomandibular raphe.
What is a Gow Gates injection?
The Gow-Gates technique requires the patient’s mouth to be open wide, and the dentist aims to administer local anesthetic just anterior to the neck of the condyle in proximity to the mandibular branch of the trigeminal nerve after its exit from the foramen ovale.
