median plane

American  

noun

Anatomy.

1. a vertical plane that divides an organism into symmetrical halves.

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Example Sentences

If this vertical plane runs directly down the middle of the body, it is called the midsagittal or median plane.

From Textbooks • Jun. 19, 2013

Lying between the anterior end of the duodenum and the posterior end of the stomach, and extending caudad for 10 to 15 mm., in the median plane of the animal is the pancreas, pan.

From Development of the Digestive Canal of the American Alligator by Reese, C. M.

In the median plane the floor of the pharynx is pushed down, as a solid tongue of cells, gs, the anterior edge of the glottis.

From Development of the Digestive Canal of the American Alligator by Reese, C. M.

The two posterior cardinals—with their continuations forwards, the anterior cardinals—approach the median plane and undergo fusion in the region of their opening into the two ductus Cuvieri.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" by Various

Piece of Nummulitic Limestone from the Pyrenees, showing Nummulites laid open by fracture through the median plane; 2, vertical section of Nummulite; 3, Orbitoides.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 6 "Foraminifera" to "Fox, Edward" by Various