foramen

A patent foramen ovale - or PFO - which is a small hole between the top two chambers of the heart.

From BBC ● Jan. 1, 2025

It had a prominent pineal foramen -- a hole in the top of its head that many lizard species use to sense sunlight and judge the length of daylight hours.

From Science Daily ● Nov. 29, 2023

The shape of the opening at the base of its skull—the foramen magnum—suggested Sahelanthropus balanced its head on top of a vertical neck, similar to upright walkers such as today’s humans.

From Science Magazine ● Aug. 24, 2022

The sphenoid has multiple openings for the passage of nerves and blood vessels, including the optic canal, superior orbital fissure, foramen rotundum, foramen ovale, and foramen spinosum.

From Textbooks ● Jun. 19, 2013

In long-standing cases acutely tender points are developed in one or more of these situations; not unfrequently the most decided of these spots is where it gets overlooked, namely, opposite the intervertebral foramen.

From Neuralgia and the Diseases that Resemble it by Francis E. Anstie

Lizards and iguanas, however, sport a single row of large holes above their teeth, called foramina, where blood vessels and nerves pass through.

From Science Magazine ● Mar. 29, 2023

Openings here include the large foramen magnum, plus the internal acoustic meatus, jugular foramina, and hypoglossal canals.

From Textbooks ● Jun. 19, 2013

The sacral nerves emerge from the sacral foramina along the length of that unique vertebra.

From Textbooks ● Jun. 19, 2013

These ventricles are connected to the third ventricle by two openings called the interventricular foramina.

From Textbooks ● Jun. 19, 2013

In congenital hydrocephalus, as there is no blocking of the passages at the fourth ventricle, the foramina being as a rule much larger than normal, no form of drainage is beneficial.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Alexander Miles