Paranasal Sinuses
Paranasal Sinuses Axial 1 Normal Anatomy The paranasal sinuses are composed of the frontal sinuses, the ethmoid sinuses or ethmoid air cells, the maxillary sinuses or maxillary antra, and the…
Temporal Bone (Middle Ear, Cochlea, Vestibular System)
Temporal Bone Axial 1 Normal Anatomy The temporal bone initially may seem a daunting area for magnetic resonance imaging because of the apparent structural complexity. To understand the temporal region…
Overview of Spine
Vertebral Column Cervical Vertebrae: C1 (Atlas) and C2 (Axis) Cervical Vertebrae: C3, C4, and C7 External Craniocervical Ligaments Related posts: Thalamus and Basal Ganglia Mandible and Muscles of Mastication Ventricles…
Ventricles and Cerebrospinal Fluid Cisterns
Ventricles and CSF Cisterns Axial 1 Normal Anatomy The ventricular system is located deep within the brain and is filled with cerebrospinal fluid (CSF). The normal appearance of CSF on…
Mandible and Muscles of Mastication
Mandible and Muscles of Mastication Axial 1 Normal Anatomy Four paired muscles—temporalis, masseter, medial pterygoid, and lateral pterygoid—are the primary muscles of mastication, responsible for adduction and lateral motion. In…
Overview of Head and Neck
Skull: Anterior Aspect Skull: Lateral Aspect Base of Skull: External Aspect Base of Skull: Bones, Markings, and Orifices Nose and Paranasal Sinuses: Cross Section Related posts: Thalamus and Basal Ganglia…
Sella turcica
Sella Turcica Coronal 1 Technical Note The upper MR image is a coronal T1-weighted pre-contrast sequence and the lower is a coronal T1-weighted post-contrast sequence. Sella Turcica Coronal 1 Sella…
Peritoneal Cavity
Peritoneal Cavity–Abdomen Axial 1 Normal anatomy The abdominal peritoneal cavity can be divided by the transverse mesocolon into the supramesocolic and inframesocolic compartments. The supramesocolic compartment can be subdivided into…