Posterior Longitudinal Ligament

A long fibrous band extending along the vertebral canal from C2 to the sacrum that interconnects the posterior surface of the vertebrae. The ligament narrows as it passes between the pedicle and widens at the intervertebral disc space to blend with the intervertebral fibrocartilage. (NCI Thesaurus)

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Posterior Lobe of the Prostate

The prostate gland lobe that is located on the posterior side of the organ.

Posterior Lobe of the Pituitary Gland

The neural or post-neural lobe of the pituitary gland which stores and releases vasopressin, oxytocin, and neurophysins.

Posterior Infratentorial Cistern

A posterior infratentorial subarachnoid cistern.

Posterior Inferior Cerebellar Artery

An artery arising from the vertebral artery that supplies the cerebellum, choroid plexus and the lateral medulla.

Posterior Horn Cell

Neurons in the posterior (dorsal) horn of the spinal cord whose cell bodies and processes are confined entirely to the central nervous…

Posterior Foramen Magnum Meningioma

A meningioma that affects the posterior foramen magnum.