Cyclostomes - regeneration in vertebrates, Biology

Assignment Help:

Cyclostomes - Regeneration in Vertebrates

The larvae of the lampreys between the jawless primitive fishes are able to regenerate their amputated tail. Blastema is made at the wound surface. It contains dedifferentiated cells derived from mesodermal tissues of stump and is covered via the epidermis along with an apical epidermal cap at the apex. Regeneration is Epimorphic.

1492_Cyclostomes - Regeneration in Vertebrates.png

Figure: Comparative anatomy of tail regeneration

The existence of spinal cord at amputation surface is necessary for blastema to form and regeneration to proceed. The regenerated tail is anatomically complete along with notochord, spinal cord, segmental somice muscles and fin tissue. Even some new spinal ganglia are regenerated. Figure displays a regenerated larval lamprey tail and its comparison with regenerated tails of another vertebrates in the larval or adult stage or both.


Related Discussions:- Cyclostomes - regeneration in vertebrates

What is low gradient aortic stenosis, Q. What is Low Gradient Aortic Stenos...

Q. What is Low Gradient Aortic Stenosis? One may come across patients who have severe left ventricular dysfunction and modest gradients across aortic valve. This situation may

Classification of environmental disasters, The Environmental Disasters Are ...

The Environmental Disasters Are Classified Into Two Major Categories: 1.      Natural Disasters like Earthquakes, Tsunami, Landslides, Cyclones, Floods, and Droughts Etc. 2.

Explain the term antioxidants, Normal 0 false false false ...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Mode of nutrition, illustrate the mode of nutrition in parrot

illustrate the mode of nutrition in parrot

Define principle of fehling test - reduction tests, Define Principle of feh...

Define Principle of fehling test - reduction tests? Sugars that possess a free or potentially free (those that can be converted to free) aldehyde or ketonic group have a proper

How poor selection of food causing the underweight, How Poor Selection of F...

How Poor Selection of Food causing the Underweight? Poor Selection of Food: Poor selection of food along with irregular eating habits may be responsible for insufficient food

Toxic agents present in which food, Toxic agents present in food which inte...

Toxic agents present in food which interfere with thyroxine synthesis lead to the development of: 1. toxic goitre 2. cretinism 3. simple goitre 4. thyrotoxicosis si

Explain the systemic antibiotic cover, Explain the systemic antibiotic cove...

Explain the systemic antibiotic cover The need for  systemic antibiotic cover should be considered. The original protocols recommended an antibiotic such as amoxicillin 250 mg

Nature of viruses, N a ture of viruses Viruses vary in their size ran...

N a ture of viruses Viruses vary in their size ranging from 20 nm (200 Ao) to 350 nm (3,500 Ao) and in shapes from spherical to bullet, rod, brick or filamentous forms. Some

Insulators - transgenic animals, Insulators Numerous experiments showed...

Insulators Numerous experiments showed that a transgene is generally poorly expressed when it contains a cDNA rather than the corresponding genomic DNA; when it is integrated a

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd