mouth-opening

Their effect on my four fellow travellers was a spine-straightening mouth-opening state of shock.

Forfeit Francis, Dick 1968

Their effect on my four fellow travellers was a spine-straightening mouth-opening state of shock.

Forfeit Francis, Dick 1968

I think sometimes that people -- whole families of 'em -- literally perish for want of a good, hearty, whole-souled, mouth-opening, throat-stretching, side-aching laugh.

The Friendly Road: New Adventures in Contentment David Grayson 1908

I was unable to see such a membrane in this form, but in its place there are 2 flagella-like cirri extending from the margin of the mouth-opening into the peristome, and these vibrate slowly.

Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 1906

The shell is thin and turned inwards at the mouth-opening, forming a tube (seen in optical section in fig. 4) through which the protoplasm passes to the outside.

Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 1906

The protoplasm becomes massed outside of the mouth-opening and from here

Marine Protozoa from Woods Hole Bulletin of the United States Fish Commission 21:415-468, 1901 1906

These creatures have also discovered the possibilities of organs and parts, to a still greater degree than have their cousins the amoebae, and have evolved something like a mouth-opening (very rudimentary) and also a short gullet through which they pass their food and oxygen -- _they have developed the first signs of a throat, wind-pipe and food-passage_.

A Series of Lessons in Gnani Yoga William Walker Atkinson 1897

On the other hand, if all these processes of nutrition and absorption are proceeding as they should, they are accompanied by mild sensations of comfort which, although they no longer reach our consciousness, reveal themselves in the mouth-opening muscles, and they gently contract upward and outward, in pleasurable anticipation of the next intake, and we get the grin or the smile.

Preventable Diseases Woods Hutchinson 1896

The lower jaw is joined to the skull very far back on the latter, and the mouth-opening thus comes to be singularly wide; whilst, when the mouth opens, the skull and upper jaw are apparently observed to move.

Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky Various 1880

This takes no direct part in the building of the germinal layers, and completely fills the primitive gut-cavity of the gastrula, even protruding at the mouth-opening.

The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876