sucking action

The clue is in the way they perform the sucking action.

Rather than requiring a sucking action, the discharge of milk is powered by maternal muscles.

Some models also contain compressed air devices that create a vacuum and powerful sucking action on flushing.

Food is ingested by a muscular sucking action of the proboscis and a rasping of the radula.

Even Torricelli's teacher, the famous Galileo Galilei had previously been unable to adequately explain the sucking action of a pump.

The sucking action of the machine, similar to the device used by dentists to remove excess saliva during dental procedures, removes the contents of the uterus.

The enclosed pocket of air is rarefied by a sucking action of the tongue (in technical terminology, clicks have a lingual ingressive airstream mechanism).

Inverted nipples can make breastfeeding more difficult at first, although with a bit of patience, your baby can learn to draw out the nipple with his sucking action.

A starfish has little feelers, or "fingers," arranged parallel rows on the inner side of its armsÄthousands of little feelers, and these exert a sort of sucking action.

Women who want to breast-feed are often discouraged from giving their babies pacifiers on the theory that the sucking action needed to use a pacifier, or even a bottle, is different from that required to breast-feed.

When the sucking stomach's powerful muscles contract, the stomach is increased in cross-section, creating a strong sucking action that permits the tarantula to suck its liquefied prey up through the mouth and into the intestines.

Lloyd concluded that the sucking action produced by the excretion of water from the bladder was sufficient to draw larger soft-bodied prey into the trap without the need for a second or further touch to the trigger levers.

Her mouth enclosed him, tightened as her tongue flickered over the sensitive head and she began a smooth, firm, sucking action that had a harsh groan ripping from his throat as his fingers tightened further in her hair.

Currents 'Like a Rapids' Even good swimmers can be pulled away from the shore out to sea by the strong currents, which create a sucking action that one lifeguard compared to the draw after a plug is pulled in a bathtub.

In 1921-23, engineer and chess master Edward Lasker produced a mechanical breast pump that imitated an infant's sucking action and was regarded by physicians as a marked improvement on existing hand-operated breast pumps, which failed to remove all the milk from the breast.

Lone Starr, with Yogurt's help in repairing his ship and training in the Schwartz, races to the planet Spaceball to rescue Vespa, and then returns to Druidia, using the Schwartz to reverse the robot's sucking action and returning the air to the planet.

The name alludes to the well-developed electrogenic properties of this ray and to the "vigorous sucking action displayed on the videotape of the feeding ray that...may rival a well-known electrical device used to suck the detritus from carpets, furniture, and other dust-gathering surfaces in modern home."