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Zygomatic Bone Anatomy

Introduction to Temporal Bone Anatomy:

  • image descriptionThe zygomatic bones (Gr., zygoma – yoke) are two facial bones that form the cheeks and the lateral walls of the orbits.
  • They are also commonly referred to a as the cheekbones or malar bones (L., mala – the cheek). Each zygomatic bone articulates with the temporal bone, frontal bone, maxilla, and sphenoid bones.
Zygomatic Bone - Overview
Zygomatic Bone - Overview - Labeled
Zygomatic Bone - Overview - Colored

Markings of the Zygomatic bone:

Anterior view:

  1. Frontal process (or frontosphenoidal process) – projection that articulates with frontal and sphenoid bones.
Zygomatic Bone - Anterior View
Frontal process - Zygomatic Bone - Anterior-View
Frontal process - Zygomatic Bone - Anterior-View - Colored
  1. Orbital process – projection that forms lateral wall (and part of floor) of orbit.
Zygomatic Bone - Anterior View
Orbital process - Zygomatic Bone - Anterior-View
Orbital process - Zygomatic Bone - Anterior-View - Colored
  1. Maxillary process – projection that articulates with maxilla bone.
Zygomatic Bone - Anterior View
Maxillary process - Zygomatic Bone - Anterior-View
Maxillary process - Zygomatic Bone - Anterior-View - Colored

Lateral view:

  1. Frontal process (or frontosphenoidal process) – projection that articulates with frontal and sphenoid bones.
Zygomatic Bone - Lateral View
Frontal process - Zygomatic Bone - Lateral View
Frontal process - Zygomatic Bone - Lateral View - Colored
  1. Temporal process – projection that articulates with zygomatic process of temporal bone to form zygomatic arch.
Zygomatic Bone - Lateral View
Temporal process - Zygomatic Bone - Lateral-View
Temporal process - Zygomatic Bone - Lateral-View - Colored
  1. Maxillary process – projection that articulates with maxilla bone.
Zygomatic Bone - Lateral View
Maxillary process - Zygomatic Bone - Lateral-View
Maxillary process - Zygomatic Bone - Lateral-View - Colored

Test yourself:

Anterior view: [Show/Hide answers]

Zygomatic Bone - Anterior View - Test yourself
Zygomatic Bone - Anterior View - Test yourself - Answers

Lateral view: [Show/Hide answers]

Zygomatic Bone - Lateral View - Test yourself
Zygomatic Bone - Lateral View - Test yourself - Answers