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

Which heavy metals cause toxic pollution, Besides mercury which other heavy...

Besides mercury which other heavy metals cause toxic pollution? Examples of other heavy metals that cause toxic pollution are lead, cadmium and chromium.

The glomerular filtrate in comparison to the blood, What is the main transf...

What is the main transformation presented by the glomerular filtrate in comparison to the blood? Glomerular filtrate is the name given to the plasma after it has passed the glo

What is the chemical equation of photosynthesis, What is the chemical equat...

What is the chemical equation of photosynthesis? The chemical equation of photosynthesis is the following: 6 CO 2 + 6 H 2 O + light --> C 6 H 12 O 6 + 6 O 2

What is a food allergy (hypersensitivity), What is a Food Allergy (Hypersen...

What is a Food Allergy (Hypersensitivity)? A food allergy or hypersensitivity is an abnormal response to a food by our immune system. As illustrated in Figure, this non-toxic a

Determine the functional brain activity, Determine the functional brain act...

Determine the functional brain activity PET is powerful means of assessing functional brain activity, although it does not directly measures neuronal events. Rather it indicate

Explain nucleotides, Nucleotides Compounds  consisting of a  nitrogenou...

Nucleotides Compounds  consisting of a  nitrogenous  base,  a  pentose sugar and a phosphate group.

Metallurgical coke, Metallurgical coke should have following characteristic...

Metallurgical coke should have following characteristics: 1.      Purity: low amounts of moisture, ash, sulphur & phosphorous should be present. 2.      Porosity: it should b

How are the lipids classified, Q. Concerning solubility, how are the lipids...

Q. Concerning solubility, how are the lipids classified? Oils and Fats are hydrophobic molecules, i.e., they are insoluble in water and non polar. Lipids in general are molecul

Risk factors of cardiovascular disease, Q. Show Risk factors of cardiovascu...

Q. Show Risk factors of cardiovascular disease? Various risk factors of cardiovascular disease. We will now briefly mention the causes related to hypertension. 1. Genetic

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