Anatomical Planes
Cavities & Regions
Skeletal Anatomy
Imaging & CT
Brain
100

Divides the body into right and left portions.

What is the sagittal plane?

100

The cavity that houses the brain.

What is the cranial cavity?

100

This cranial bone forms the forehead.

What is the frontal bone?

100

The vertebral level where you would find the pulmonary trunk dividing into the right and left pulmonary vessels is?

T4/T5

100

On CT, this tissue appears white.

What is bone?

200

Divides the body into anterior (front) and posterior (back).

What is the coronal plane?

200

The largest body cavity that includes the thoracic and abdominopelvic cavities.

What is the ventral body cavity?

200

This bony landmark houses the pituitary gland.

What is the sella turcica?

200

The white matter structure connecting the two cerebral hemispheres.

What is the corpus callosum?

200

On CT, this tissue appears black.

What is air?

300

Divides the body into superior (top) and inferior (bottom).

What is the transverse (axial) plane?

300

This cavity contains the heart and lungs.

What is the thoracic cavity?

300

: Cervical vertebrae C1 and C2 are called these, with C2 containing the odontoid process.

What are Atlas (C1) and Axis (C2)?

300

This layer of meninges is closest to the brain.

What is the pia mater?

300

Hounsfield units of water are this value.

What is 0?

400

This plane splits the body into equal halves.

What is the midsagittal plane?

400

Dividing the abdomen into nine regions, this region is located at the top center

What is the epigastric region?

400

These openings in cervical vertebrae allow passage of vertebral arteries.

What are transverse foramina?

400

The divisions of the pharynx, from superior to inferior.

What are nasopharynx, oropharynx, laryngopharynx?

400

Key landmark for whole brain radiation therapy; must include this cranial structure.

What is the cribriform plate?

500

In axial images (supine), this side of the patient appears on the left of the image.

What is the patient’s right side?

500

The region of the abdominopelvic model located at the lower right, often clinically important in appendicitis.

What is the right iliac region?

500

The large opening in the occipital bone through which the spinal cord passes.

What is the foramen magnum?

500

The bone landmark that corresponds to vertebral level C3 and is relevant for head & neck imaging.

What is the hyoid bone?

500

The posterior border of the nasopharynx corresponds to this surface landmark.

What is the tragus?