
Paired vault bones superior to the squamous temporal bone. Meet at the sagittal suture. Meet frontal and occipital bones at coronal and lambdoid sutures.
Study this structure →Zoom in, then drag to inspect. Keyboard: + / − to zoom, arrows to pan, 0 to reset. Tap the numbered markers to explore parts.
Skull: views & sutures: labelled teaching diagram. Original labels and colours retained.
Image: OpenStax College / university open textbook · Source / original · CC BY 4.0Numbered markers and focused views are Mediveerse learning overlays; the original reference is linked above.
Pterygopalatine fossa
Understand what you see.
A neurovascular crossroads between orbit, nose, palate, cranial cavity and infratemporal fossa.
Zoom into the original labels. Practise pointing out each structure, then explain it aloud. Diagrams are teaching references; specimen appearance and slide staining vary.
How to recognise it.
- Small pyramidal space behind maxilla
- Medial to pterygomaxillary fissure
- Contains V2 and pterygopalatine ganglion
Point them out.
Tap a number to open its reference, zoom in and locate the structure. Numbers stay the same across views. This key follows landmarks visible in the reference images.
Think first. Then reveal.
Say your answer aloud before opening the suggested response.
Examiner-style prompts: identify the structure, explain its relations, then answer the applied follow-up. These are revision questions, not authenticated past papers.
01Identify pterygopalatine fossa and give its main role.+
Small pyramidal space behind maxilla. Medial to pterygomaxillary fissure. Contains V2 and pterygopalatine ganglion. A neurovascular crossroads between orbit, nose, palate, cranial cavity and infratemporal fossa.
02Match its main communications.+
Foramen rotundum reaches the middle cranial fossa; inferior orbital fissure reaches orbit; sphenopalatine foramen reaches nose; palatine canals reach palate; pterygomaxillary fissure reaches infratemporal fossa.
03Which parasympathetic fibres synapse here?+
Preganglionic fibres from VII arrive through greater petrosal nerve and nerve of the pterygoid canal. Sympathetic fibres pass through without synapsing.
04Point out three important relations and explain their significance.+
Anterior: posterior maxilla; Posterior: pterygoid process region; Medial: perpendicular plate of palatine. A neurovascular crossroads between orbit, nose, palate, cranial cavity and infratemporal fossa. Use the reference plate to locate the region; the relationship map organises the associations and is not drawn to scale.
Read the references.
Credited anatomical plates, microscopy and university teaching references. Individual image credits appear below the viewer. Historical plates can use older terminology; use the lesson text for current names.