--%>

Vascular lesions

Vascular lesions caused by the leeches on the blood vessels of their host cause blood naturally to coagulate. How does the leech resolve this trouble as it could be predicted that the ingested blood would coagulate within its body?

E

Expert

Verified

Ingested blood doesn’t coagulate within the leech (that is, Hirudo medicinalis) as in its saliva there is a potent anticoagulant substance, a protein termed as hirudin.

In past, leeches were largely employed as medical treatment. These days hirudotherapy is being employed in patients with extensive and chronic inflammation of skin, in prevention against tissue necrosis subsequent to some surgeries and in some others fields of Medicine.

   Related Questions in Biology

  • Q : Structures which form external ear

    Write down the structures which form external ear? And also write down its function?

  • Q : Principles of Organizing Principles of

    Principles of Organizing In order to develop a sound and efficient organization structure there is need to follow certain principles.

  • Q : Needs and Goals - Motivation -

    Both are interdependent; neither exists without the other. However, people are often not as aware of their needs as they are of their goals. For example, a teenager may not consciously be aware of his social needs but may join a photography club to meet new friends. A loc

  • Q : Media | Modes of Communication -

    For communication to be effective, the communicator has to be very careful and judicious in the choice of media, which will depend on various factors like the urgency of the message, the time available, the expenditure involved and the intellectual and emotional level of the receivers. All the me

  • Q : Gametes through meiosis Explain

    Explain whether, the gametes are always formed through the meiosis?

  • Q : Tracheal respiration Which animals do

    Which animals do the tracheal respiration? Is there a blood-like fluid which participates in this process?

  • Q : What is branchiae What do you mean by

    What do you mean by branchiae? State few  examples of animals which ‘breath’ through the branchiae?

  • Q : Neurotransmitters in synaptic process

    As neurotransmitters are not consumed in synaptic process, name the mechanisms to decrease their concentrations in the synaptic cleft subsequent to they have been utilized?

  • Q : Difference between cerebrum and brain

    Write down the difference between cerebrum and brain? And also write down the main parts of these structures?

  • Q : Effects of somatostatin on the

    Explain about the effects of somatostatin on the pancreatic hormonal secretion?