Is sphenopalatine fossa and pterygopalatine fossa same?
In human anatomy, the pterygopalatine fossa (sphenopalatine fossa) is a fossa in the skull. A human skull contains two pterygopalatine fossae—one on the left side, and another on the right side….Passages.
| Direction | Passage | Connection |
|---|---|---|
| Anteriorly | inferior orbital fissure | orbit |
| Medially | sphenopalatine foramen | nasal cavity |
What is pterygopalatine fossa in anatomy?
The pterygopalatine fossa (PPF) is a small, clinically inaccessible, fat-filled space located in the deep face that serves as a major neurovascular crossroad between the oral cavity, nasal cavity, nasopharynx, orbit, masticator space, and the middle cranial fossa.
What comes out of pterygopalatine fossa?
The pterygopalatine fossa contains fat and the following neurovascular structures: pterygopalatine ganglion. maxillary artery (terminal portion), and its branches including the descending palatine artery. emissary veins.
What are the boundaries of pterygopalatine fossa?
The boundaries of the pterygopalatine fossa are the: pterygomaxillary fissure (lateral) perpendicular plate of palatine bone (medial)
What nerves run through the Pterygopalatine fossa?
The maxillary division of the trigeminal nerve and the vidian nerve enter from the posterior wall of the PPF. The maxillary division of the trigeminal nerve moves through the foramen rotundum. The vidian nerve traverses through the pterygoid canal.
What is the sphenopalatine foramen?
The sphenopalatine foramen (SPF) represents an opening on the lateral nasal wall that is present at the articulation between the superior aspect of the vertical portion of the palatine bone and the inferior projection of the sphenoid bone.
How does pterygopalatine fossa communicate with Orbit?
At its most cranial aspect (base of pyramid), the PPF communicates with the orbit via the inferior orbital fissure (IOF) (Fig. 2d and f). The IOF transmits the zygomatic branch of V2, ascending branches from the PPG and the ION. At the same level, the foramen rotundum (Fig.
What is in the sphenopalatine fossa?
The neural contents of the sphenopalatine foramen include the posterior superior lateral nasal nerve and the nasopalatine nerve. The posterior superior lateral nasal nerve represents a branch of the nasopalatine nerve and provides sensory information to the lateral wall of the nasal cavity.
What is medial wall of Pterygopalatine fossa formed by?
palatine bone
The round foramen, crossed by the maxillary nerve, is located where the pterygoid process continues with the vault, and immediately below it is located the pterygoid canal, or Vidian nerve, for the transit of the homonymous nerve and artery. The medial wall is formed by the vertical plate of the palatine bone.
Which opening communicates pterygopalatine fossa with infratemporal fossa?
Laterally, the PPF communicates with the infratemporal fossa (ITF) via the pterygomaxillary fissure (PMF) (Fig. 2c and d). The roof of the PPF is formed by the sphenoid bone. The PPF communicates with the foramen lacerum via the Vidian canal (Fig.
How is the pterygopalatine fossa used in surgery?
Pterygopalatine Fossa Anatomy for a Surgical Approach to Sphenopalatine Ganglion The sphenopalatine ganglion is an extracranial neural structure within the pterygopalatine fossa. Modulation of this region via implantation of a neuromodulatory device presents a novel therapy for the treatment of facial and head pain.
Where does the sphenoid bone meet the pterygopalatine fossa?
The sphenopalatine incisure, meeting the body of the sphenoid bone, becomes the sphenopalatine foramen, which connects the pterygopalatine fossa with the corresponding nasal cavity, allowing the passage of sphenopalatine vessels and nerves.
Where is the sphenopalatine notch located on the palatine bone?
It is formed by the sphenopalatine notch at the superior aspect of the perpendicular plate of the palatine bone and the body of the sphenoid. The sphenopalatine foramen transmits the sphenopalatine artery and vein, as well as the nasopalatine nerve (a large branch of the pterygopalatine ganglion – CNV 2 ).
How does the maxillary nerve communicate with the pterygopalatine?
The maxillary nerve also communicates with the pterygopalatine ganglion (discussed below) via two small trunks, the pterygopalatine nerves (figure 2.1). These nerves suspend the ganglion within the pterygopalatine fossa.