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

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

From Textbooks ● Jun. 19, 2013

Near the common suture of the dentary and the splenial is the large inferior alveolar foramen; completely within the splenial and ventral to the inferior alveolar foramen is the anterior mylohyoid foramen.

From A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) by John Wellman

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 name of a spinal cord region corresponds to the level at which spinal nerves pass through the intervertebral foramina.

From Textbooks ● Jun. 19, 2013

The sacrospinous and sacrotuberous ligaments contribute to the formation of the greater and lesser sciatic foramina.

From Textbooks ● Jun. 19, 2013

Blood vessels and nerves enter the bone through the nutrient foramina to nourish and innervate bones.

From Textbooks ● Jun. 19, 2013

The length of the incisive foramina in meridionalis, expressed as a percentage of the total length of the skull, is usually greater than in chiapensis.

From Records of Harvest Mice, Reithrodontomys, from Central America, with Description of a New Subspecies from Nicaragua by Sydney Anderson