The human skull has numerous openings (foramina), through which cranial nerves, arteries, veins, and other structures pass. These foramina vary in size and number, with age. [1][2]

Foraminal stenosis is like what happens to an electrical cord when you shut a door on it, wedging it between the door and frame. Eventually, the pressure on the cord can damage it, affecting how it …

The spinal canal houses your spinal cord. There are other openings on the stacked vertebrae called the foramina (singular foramen), where the nerve roots branch out of the spinal cord. At every level of …

Understand foramina, the crucial anatomical openings that facilitate vital connections and are fundamental to the body’s healthy operation.

Jun 18, 2025 · Foraminal narrowing, also called foraminal stenosis, refers to the narrowing of the small openings (foramina) between your vertebrae. These openings are passageways where nerves exit …

May 5, 2025 · When these openings, called neural foramina, get narrow or blocked, they can press on your nerves. This is called neural foraminal stenosis.

Apr 25, 2025 · Foraminal stenosis is a medical condition that affects the spinal column, specifically the foramina—small openings through which spinal nerves exit the vertebral column. This narrowing can …

Each of the 33 bones of the spine has a large central opening for the spinal cord. Additional openings called foramen allow the nerves branching from the spinal cord to travel to the arms, legs and other …

Dec 10, 2025 · A foramen (pl. foramina) is an opening that allows the passage of structures from one region to another. In the skull base, there are numerous foramina that transmit cranial nerves, blood …

The skull bones that contain foramina include the frontal, ethmoid, sphenoid, maxilla, palatine, temporal, and occipital. There are 21 foramina in the human skull.