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Senin, 14 November 2011

Know More About Leeches

Leeches are commonly called a sort of animals that suck blood, and there's recent water, terrestrial and marine leeches. Scientifically it's categorized as annelids, that is segmented worms comprising the subclass Hirudinea. it's closely associated with earthworms, and it's hermaphrodites that have each male and feminine reproductive organs.
Bodies of all leeches are divided into constant variety of segments, with thirty four altogether. they need powerful clinging sucker at every finish. The mouth is within the anterior sucker and also the anus is on the dorsal surface that's simply in front of the rear sucker. The mouth of leech has three jaws, therefore the bite by the leeches can show a Y-shape mark.

When leeches bite and feeding with blood, there's a sort of secretion from the body of leech referred to as hirudin can forestall the blood from clotting. Hirudin could be a substance that offers valuable usage in drugs. It breathes through the skin by exchange of oxygen from the dissolved gases within the water. It tends to maneuver to the surface when the oxygen content within the water is low.
The head and body surface of leech has the sensory organ to detect modification in light-weight intensity, vibration and temperature. It conjointly has the chemical receptors on the pinnacle to detect smell. It might have one or a lot of pairs of eyes.

Even though leeches have each male and feminine sex organs, they still ought to mate for copy purpose. This involves intertwining of bodies where every deposits sperm within the others' clitellar space. The clitellum secretes a tricky gelatinous cocoon that contains nutrients, and this is often where the eggs are deposited.

Most leeches are sanguivorous, they suck the blood of the host as food. they'll ingest the quantity of blood that's many times of their body weight. they'll take advantage of the blood of mammals, frogs, fish and different parasitize. after they bite the host, their saliva contains anti-coagulant can keep the blood continue flowing. The wound can continue bleeding for a number of hours even when the leeches detached. the most effective thanks to dispose of the leech when it bites us is by applying some salt or vinegar on to it, this may build it detach immediately. Some folks use tobacco leaves to attain constant purpose.

Leech possesses plenty of medical usage be it in pharmaceutical or ancient drugs. Since its population is obtaining lesser as a result of the utilization of insecticide and herbicide, some folks begin to rear leech to produce to the factories. they're such a large amount of edges that will|we will|we are able to} get from it and a lot of study is required to seek out out how it can facilitate us to enhance our health.

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