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ANATOMY / REFERENCE GALLERY1 / 3 references
Mastoid process: magnified reference view with a numbered learning marker. The complete original plate is available in the next view.
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Mastoid process

A projection posterior and inferior to external acoustic meatus. Part of the temporal bone. Contains mastoid air cells in the developed bone.

Zoom in, then drag to inspect. Keyboard: + / − to zoom, arrows to pan, 0 to reset. Tap the numbered markers to explore parts.

Mastoid process: magnified reference view with a numbered learning marker. The complete original plate is available in the next view.

Image: OpenStax College / university open textbook · Source / original · CC BY 4.0

Numbered markers and focused views are Mediveerse learning overlays; the original reference is linked above.

Mastoid process

Temporal bone landmarks

Mastoid process

STRUCTURE & FUNCTION

Understand what you see.

A projection posterior and inferior to external acoustic meatus.

Zoom into the original labels. Practise pointing out each structure, then explain it aloud. Diagrams are teaching references; specimen appearance and slide staining vary.

01 / IDENTIFICATION

How to recognise it.

  1. A projection posterior and inferior to external acoustic meatus
  2. Part of the temporal bone
  3. Contains mastoid air cells in the developed bone
02 / KEY STRUCTURES

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.

Related features & study points (2)

Additional relations, attachments or microscopic details to revise alongside this plate. These are separate from its numbered image landmarks.

03 / VIVA PRACTICE

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 mastoid process and justify your identification.
SUGGESTED ANSWER

A projection posterior and inferior to external acoustic meatus. Part of the temporal bone. Contains mastoid air cells in the developed bone.

02Name a major muscle attached here.
SUGGESTED ANSWER

Sternocleidomastoid inserts on the mastoid process and adjacent superior nuchal line.

03How are mastoid air cells related to the middle ear?
SUGGESTED ANSWER

They communicate with the middle-ear system through the mastoid antrum and aditus.

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.