The only one that doesn't contain full-frontal nudity offers full dorsal nudity.
From the guardian.co.uk
The frontal lobe is considered the hub for cognition and behaviour in the brain.
From the sciencedaily.com
The frontal cortex helps put the brakes on unhealthy behaviors, Volkow explains.
From the dailyherald.com
The frontal cortex in his brain didn't sort out all the input for Jeff to focus.
From the ocregister.com
There was only episodic monitoring of feeling and impulse by the frontal cortex.
From the blogs.psychcentral.com
However, frontal cloudbands also bring quite significant rainfall in the winter.
From the en.wikipedia.org
Basic flash lighting produces a hard, frontal light unless modified in some way.
From the en.wikipedia.org
These functions are largely carried out by prefrontal areas of the frontal lobe.
From the en.wikipedia.org
The only source of light for cella and cult statue was the cella's frontal door.
From the en.wikipedia.org
More examples
Belonging to the front part; "a frontal appendage"
Frontlet: an adornment worn on the forehead
A drapery that covers the front of an altar
Facade: the face or front of a building
Meeting front to front; "a frontal attack"; "a head-on collision"
(frontally) in, at, or toward the front
Standard anatomical terms of location are employed in science which deal with the anatomy of animals to avoid ambiguities which might otherwise arise. They are not language-specific, and thus require no translation. ...
An adjective describing an object that faces the viewer directly, rather than being set at an angle or foreshortened.
Adjective, Latin frontis = of the forehead, or coronal.