Sentences with phrase «venom glands»

He adds, «Contrary to a common belief Harvestman do not have venom glands and are absolutely harmless.

The new genetic maps even suggest spiders may use silk in more ways than we yet fully know: some spidroins are made in the venom glands rather than the silk glands.

When that didn't work, the researchers sometimes resorted to mild electric shock, using a nine - volt battery to make the venom glands contract and prompt the release of a droplet or two.

As venom glands don't fossilise, Benoit and his colleagues from at Wits University, in association with the Natural History Museum of London used cutting edge CT scanning and 3D imagery techniques to analyse the only two fossilised skulls of the Euchambersia ever found, and discovered stunning anatomical adaptions that are compatible with venom production.

Spitting spiders spew silky glue from their venom glands to pin down other, larger spiders for a killing bite to the leg.

The venom glands simply expressed the genes much more abundantly and steadily.

Most spiders kill with venom, but the uloborid spiders (such as Philoponella vicina) have lost their venom glands entirely.

If the bombardier could evolve so complex a defense, it's not much of a stretch to imagine a dragon with venom glands filled with a gas that could ignite when released with just a bit of friction.

The venom gland «is not a trivial structure, [but] a big bulge» on the lower jaw, says Fry, who compares previous ignorance of the Komodo dragon's venomous capabilities as akin to «missing the teeth on great white sharks and saying they are plankton eaters».

Laita gave the example of the blue coral snake, which has an incredibly long venom gland, running nearly half the length of its body.

One of the orb weaver's silk genes is even expressed in the spider's venom gland.

Instead, Werren likened the functionality of these single - copy genes to «moonlighting» for extra cash, with the genes taking on a «night job» in the venom gland in addition to their «day job» elsewhere in the body.

The search focused on the submaxillary salivary gland of rodents, which is similar in certain respects to the venom gland of snakes.

Seeking to understand how the cone snail springs its slow - motion trap, the Utah researchers searched the gene sequences of all of the proteins expressed in the venom gland of Conus geographus.

The insulin genes were more highly expressed in the venom gland than genes for some of the established venom toxins.

Not exact matches

Moreover, they found glands in the center of the remipede body that manufacture venom and are connected to the reservoirs.

The accessory gland's role may be to activate the venom somehow, but «we really don't know» what lectins do exactly, Casewell says.

Indeed, Cohen isolated an NGF from mouse salivary glands that was about 10,000 times more active than that purified from mouse sarcoma 180 and about 10 times more active than that purified from snake venom.

One genus of gastropods, Conus, contains venom in its salivary gland that is toxic to humans, but only those of the Pacific pose any severe threat to man.

But now scientists at the University of Melbourne have found that dragons actually use venom from a gland in their mouth to down their prey.