median plane

American  

noun

Anatomy.

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

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Example Sentences

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 Project Gutenberg

Median, mē′di-an, adj. being in the middle, running through the middle: situated in the median plane, that dividing the body longitudinally into symmetrical halves.—adv.

From Project Gutenberg

In the horse, the corresponding tendon is attached to a tubercle which is situated on the anterior surface of the base of the principal metacarpal, a little internal to the median plane of the latter.

From Project Gutenberg

Gynoecium.—The pistil consists of a single carpel, opposite the pale in the median plane of the spikelet.

From Project Gutenberg

In a dextral Gastropod the shell is coiled in a right-handed spiral from apex to mouth, and the spiral also projects to the right of the median plane of the animal.

From Project Gutenberg