This retractor-muscle, indeed, serves to pull back with great rapidity the extruded proboscis, and is aided in its action by the musculature of the head.
The two branched tentacles (TB) are seen partially extruded from their sheaths (TS); when fully extended they exceed the diameter of the animal five or six times.
During this time of comparative rest, rhyolites were extruded locally in county Antrim; and there is very strong evidence that the granite of the Mourne Mountains, and that which cuts the Carlingford gabbro, were added at the same time to the crust.
The sheriff, the original president of the shire court, was gradually extruded by them from all important business.
In many of the Fungi the non-motile male cell or nucleus is carried by means of a fertilizing tube actually into the interior of the egg-cell, and is extruded through the apex in close proximity to the egg nucleus.
The latter play was 1 Some doubt has been expressed as to whether the eggs are extruded or hatched within the body.
Enclosed within the sporocarp they can endure a period of drought, but on the return of moist conditions are extruded from the sporocarp by the swelling of a special mucilaginous tissue and the spores become free.
Complications with the Turk were avoided by the adroit diplomacy of the king, while the superior discipline and efficiency of the Polish armies under the great Tarnowski (q.v.) and his pupils overawed the Tatars and extruded the Muscovites, neither of whom were so troublesome as they had been during the last reign.
These are likely to have been produced by the ripe genital glands, which may have extruded their products directly through the membranous integument of the under side.
The two nuclei are successively divided from the egg nucleus in the usual way, but they frequently become absorbed in the peripheral protoplasm instead of being extruded from the egg-cell altogether.