noun, plural pul·vi·ni [puhl-vahy-nahy] /pʌlˈvaɪ naɪ/.
- pumice country,
- pumice stone
Origin of pulvinus
Examples from the Web for pulvinus
Examples of this are furnished by the cardiac muscle of the animal, the pulvinus of Mimosa, and the stamen of Berberis.
This is seen in the response of the pulvinus of Mimosa to light acting from above.
The intensity was increased to a suitable value by focussing light on the upper half of the pulvinus by means of a lens.
The result is seen in the above record (Fig. 19), where water was applied on the pulvinus after the second response.
I was thus able to secure specimens which were far more sensitive to the action of electric waves than the pulvinus of Mimosa.