Classification of hirudo medicinalis
What is the classification of Hirudo?
The Clitellata are a class of annelid worms, characterized by having a clitellum – the ‘collar’ that forms a reproductive cocoon during part of their life cycles. The clitellates comprise around 8,000 species. Unlike the class of Polychaeta, they do not have parapodia and their heads are less developed.
What is the classification of Hirudinaria?
Hirudinaria (annelid)
| Hirudinaria | |
|---|---|
| Scientific classification | |
| Phylum: | Annelida |
| Class: | Clitellata |
| Subclass: | Hirudinea |
What is the common name of Hirudo medicinalis?
European medicinal leech
Hirudo medicinalis, the European medicinal leech, is one of several species of leeches used as “medicinal leeches”. Other species of Hirudo sometimes also used as medicinal leeches include H. orientalis, H. troctina, and H.
What are the characteristics of Hirudo?
The medicinal leech has a cylindrical, dorsoventrally flattened body divided into thirty-three or thirty-four segments. The dorsal side is dark brown to black, bearing six longitudinal, reddish or brown stripes, and the ventral surface is speckled. All members bear a posterior and anterior disk-shaped sucker.
What is the common name of Hirudinaria?
Indian cattle leech
Solution : Indian cattle leech is the common name of Hirudinaria granulosa.
What is the scientific name of blood-sucking leech?
The best-known species, such as the medicinal leech, Hirudo medicinalis, are hematophagous, attaching themselves to a host with a sucker and feeding on blood, having first secreted the peptide hirudin to prevent the blood from clotting.
What are 3 interesting facts about leeches?
5 Amazing Leeches Facts!
They have 10 eyes, but they have poor eyesight. They can go 6 months without feeding. Leeches live in every continent except Antarctica. Some people use them as fishing bait.
How many types of leeches are there?
In fact, there are between 700 and 1000 species of leeches worldwide and they can be found in a variety of different habitats including marine, estuarine, moist terrestrial (particularly in Australia and Southeast Asia) and freshwater ecosystems.
What is genus and species of leeches?
Genus. Hirudo Linnaeus, 1758. Species. Hirudo medicinalis Linnaeus, 1758.
What is the meaning of Hirudinaria?
Hirudinaria is the scientific name of two genera of organisms and may refer to: Hirudinaria (annelid), a genus of leeches in the family Cylicobdellidae. Hirudinaria (fungus), a genus of fungi.
What is the respiratory organ of Hirudinaria?
The skin forms a large respiratory surface. The cutaneous respiration is facilitated by the secredon of mucus which keeps the skin in a moist slate. The skin is profusely supplied with capillaries which penetrate between the epidermal cells.
Which class of annelids are ectoparasites?
As external parasites of humans and domesticated and wild animals, leeches are members of the phylum Annelida and the class Hirudinea. While leeches are considered ectoparasites, one species is used for medicinal purposes.
What is mean by Hirudinaria granulosa?
Hirudinaria granulosa is a common Indian leech found in freshwater tanks, ponds, lakes, swamps, and slow streams. It prefers shallow water and remains concealed under weeds, logs and stones. Leeches show a great diversity in their habits and habitat.
How many somites are present in Hirudinaria?
It is the largest region of the body and consists of eleven complete somites (XII to XXII).
What is the order of Hirudinaria granulosa?
(i) Mouth: It is located in the middle of anterior sucker. (ii) Anus: Anus is a small aperture that opens on the mid-dorsal side of 26th segment. (iii) Nephridiopores: Nephridia open to the exterior by 17 pairs of nephridiopores. They lie ventrally on the last annulus of each segment from 6 to 22.
Is setae present in Hirudinaria?
Pheretima (earthworm) uses setae for locomotion. Hirudinaria (leech) uses its suckers for attachment to the host, but has no parapodia or setae.
What are the derivatives of somites?
Somites give rise to the cells that form the vertebrae and ribs, the dermis of the dorsal skin, the skeletal muscles of the back, and the skeletal muscles of the body wall and limbs.
What are the differences between dermatome Myotome and Sclerotome?
These cells differentiate into the following 3 regions: (1) myotome, which forms some of the skeletal muscle; (2) dermatome, which forms the connective tissues, including the dermis; and (3) sclerotome, which gives rise to the vertebrae.
Is the only food material of Hirudinaria *?
Hirudinaria it is sanguivorous (blood-sucking) sucking the blood of fishes and frogs, and also of cattle or human beings when they enter the pond. Thus, the correct answer is option ‘D’ i.e, ‘Sanguivorous’. Note:Leech feeds by sucking blood of animals such as cattle, frogs and humans.
What are the importance of somites?
Somites are literally the building blocks of the vertebrate body plan; they are essential for segmentation, bone and musculature development, as well as creating a template for the nervous system.
How many somites are there?
In the chick embryo, a pair of somite forms every 90 min at 37 °C and a total of 52 somites pairs are formed during the somitogenesis process which lasts from day 1 to day 5 of development.