What is parapharyngeal region?
The parapharyngeal space (or lateral pharyngeal or pharyngomaxillary space) is in the upper neck above the hyoid bone. It is an inverted cone-shaped potential space that extends from the hyoid bone to the base of the skull.
What does pharyngeal mean in medical terms?
Medical Definition of pharyngeal 1 : relating to or located in the region of the pharynx. 2a : innervating the pharynx especially by contributing to the formation of the pharyngeal plexus the pharyngeal branch of the vagus nerve. b : supplying or draining the pharynx the pharyngeal branch of the maxillary artery.
Where is parapharyngeal space?
The parapharyngeal space (PPS) is a potential space lateral to the upper pharynx. The PPS is shaped like an inverted pyramid, extending from the skull base superiorly to the greater cornu of the hyoid bone inferiorly.
What is parapharyngeal fat?
A distinctive fat tissue called the parapharyngeal fat pad exists in the upper lateral pharyngeal airway. Several studies have reported that collapsibility of the upper airway is related to localized fat tissue in the lateral pharyngeal wall (2–4).
What is the area between the chin and neck called?
Submental space
The submental space is a fascial space of the head and neck (sometimes also termed fascial spaces or tissue spaces). It is a potential space located between the mylohyoid muscle superiorly, the platysma muscle inferiorly, under the chin in the midline….
| Submental space | |
|---|---|
| Latin | Spatium submentale |
| Anatomical terminology |
Is pharynx the throat?
The throat (pharynx and larynx) is a ring-like muscular tube that acts as the passageway for air, food and liquid. It is located behind the nose and mouth and connects the mouth (oral cavity) and nose to the breathing passages (trachea [windpipe] and lungs) and the esophagus (eating tube).
What is the uppermost part of the pharynx?
The nasopharynx is the most superior, or uppermost, part of the pharynx that works with the nasal cavity during breathing. It provides a passageway for air moving from the nose. The pharyngeal tonsils, or adenoids, are located on the posterior wall of the nasopharynx.
What divides the parapharyngeal space?
Divisions. The parapharyngeal space is divided into 2 parts by the fascial condensation called the aponeurosis of Zuckerkandl and Testut (stylopharyngeal fascia – see diagram), joining the styloid process to the tensor veli palatini.
What causes Frey’s syndrome?
Frey’s Syndrome is a syndrome that includes sweating while eating (gustatory sweating) and facial flushing. It is caused by injury to a nerve, called the auriculotemporal nerve, typically after surgical trauma to the parotid gland.
What is great auricular nerve?
The great auricular nerve is a sensory branch from the cervical plexus that crosses the anterior border of the sternocleidomastoid muscle to supply sensation to the skin inferior to the external auditory meatus.
What are the names of the parapharyngeal spaces?
Other terms for the parapharyngeal space include the lateral pharyngeal space , pharyngomaxillary space, and even less commonly pterygomaxillary space , pterygopharyngeal space , peripharyngeal space , and pharyngomasticatory space 1.
Can a malignant tumor break into the parapharyngeal space?
As a consequence of this anatomic arrangement, it is possible for an infection or a malignant tumor that breaks into the parapharyngeal space to present inferiorly as an angle of mandible mass. Jonas T. Johnson, in Operative Otolaryngology: Head and Neck Surgery (Second Edition), 2008
What causes large diving ranula in parapharyngeal space?
Congenital: Atypical 2nd branchial cleft cyst, lymphatic malformation, venous malformation Inflammatory: Large diving ranula spreading from submandibular space into PPS Infection: Spreading from PMS, MS, PS or RPS; most commonly peritonsillar abscess from palatine tonsil (PMS) involves parapharyngeal space
Is the lateral pharyngeal space shaped like an inverted cone?
Parapharyngeal space. The lateral pharyngeal space (pharyngomaxillary space) is a lateral neck space shaped like an inverted cone, with its base at the skull and its apex at the hyoid bone.