Leech Anatomy Diagram

3 the biology of leeches.
Leech anatomy diagram. Anatomy of bloodfeeding the images on this page can be enlarged by clicking on them. Few people ever take a good close look at a leech when its feeding and even fewer have stopped to ponder the complexity of this behaviour. It is divisible into the following parts. The first leech fossils are found in the jurassic period around 150 million years ago but an annulate fossil found in wisconsin in the 1980s that appears to have a large sucker likely extended the groups evolutionary history back to the silurian circa 437 million years ago.
The alimentary canal of leech starts with mouth and ends with anus. Quite a few methods all equally good are used for killing leeches. Quizlet flashcards activities and games help you improve your grades. The saliva of leech contains about 100 pharmacologically active substances like hirudin hyaluronnidase vasodilators anesthetics antibacterial and collagenase lone ahmad anwar habib and iman 131 35.
Kristan jra ronald l. Anatomy of the medicinal leech and its nervous system. The alimentary system 2. Malmo mike strikes again.
It just does not better than that one. Inferior quality in which are found other leech species haemopis nephelis aulastomes anatomy. Wash the specimens with clear water and place them in a container partly filled with water. These substances are injected into human body while sucking of the blood.
Also learn about 1. Digestive system of hirudinaria and its adaptations. Anatomy leeches study guide by sarahsocha includes 225 questions covering vocabulary terms and more. Dissection of nervous system.
Leeches classified as medicinal leeches in the narrower sense have been used to treat patients around the world especially in europe and the united states for centuries. No wonder you are a licensed captain. Its ventral surface is yellowish green and smooth to the touch with a straight black stripe. Another important part of the anterior sucker is the leech saliva.
The camargue leech has a yellowish green longitudinal median band demarcated on each site by a black line on its dorsal surface. Roughly 600 leech species have been identified to date but only about 15 are used in medicine. Leeches are best known for their bloodfeeding habits and for their use in the art of phlebotomy or bloodletting. A sche matic diagram of the leech showing the major features of its nervous system.
Seriously good leech ct scan and diagram. In this article we will discuss about the dissection of leech.