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 large opening between the vertebral arch and body is the vertebral foramen, which contains the spinal cord.

From Textbooks ● Jun. 19, 2013

They resemble moorei in the shape and size of the tympanic bullae, and are intermediate in the size and shape of the foramen magnum.

From The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. by Stephen D. Durrant

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

The interventricular foramina connect the frontal region of the lateral ventricles with the third ventricle.

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

These veins arise from the base of the brain and the cervical region of the spinal cord, and flow largely through the intervertebral foramina in the cervical vertebrae.

From Textbooks ● Jun. 19, 2013

Diseases of bones are extraordinarily frequently the cause of neuralgias in consequence of compression or secondary disease, which affects the branches of nerves passing through canals, foramina, fissures, or over processes of bone.

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