Basic structural pattern of limbs, Biology

Assignment Help:

Basic structural pattern of limbs

The common structural pattern of tetrapod limbs is extremely clear expressed in their skeletal components and in the manner they are organized. The limb is composed of a series of bones that develop in a proximodistal sequence and are arranged in a definite common manner. Generally, a forelimb consist of a numerous, followed distally by two parallel bones, a radius and ulna and then various carpals, metacarpals and digits made of phalangeal elements in this order.

1772_Basic structural pattern of limbs.png

Figure: Scheme of serial homology of the bones of forelimbs and hind limbs of vertebrates

The corresponding skeletal elements of hind limbs are femur that is followed via parallel tibia and fibula, various tarsals, metatarsals and digits. Since there is a bone-for-bone correspondence in the forelimbs and hind limbs the several bones of these limbs are said to be serially homologous.


Related Discussions:- Basic structural pattern of limbs

What is the cyclosis, Q What is the cyclosis? Cyclosis is a kind of int...

Q What is the cyclosis? Cyclosis is a kind of interior cell movement in which an oriented flow of circulating material is created and maintained in the cytoplasm by the action

What are cytokinins, What are cytokinins? Where are they made? Cytokini...

What are cytokinins? Where are they made? Cytokinins are phytohormones active in the promotion of cellular division; they slow down the aging of tissues and act together with a

Compensatory hypertrophy, Compensatory Hypertrophy It has been seen t...

Compensatory Hypertrophy It has been seen that the exact replacement of a part or organ or tissue is not the just only way to regenerate in animals so many of the body's inte

What is fenugreek seeds, Q. What is Fenugreek seeds? Fenugreek seeds: '...

Q. What is Fenugreek seeds? Fenugreek seeds: 'Commonly known as methi seeds in Hindi. They are commonly used in Indian cuisine in chutney and even in pickles and several dishes

Major metabolic gases transported by the blood, Q. Which are the two major ...

Q. Which are the two major metabolic gases transported by the blood? The major metabolic gases transported by the blood are molecular carbon dioxide (CO 2 ) and oxygen (O 2 ).

Similarities between chlorplasts and prokaryotic cells, What are the simila...

What are the similarities between chlorplasts and prokaryotic cells?

Major endocrine glands of the human body, Q. What are the major endocrine g...

Q. What are the major endocrine glands of the human body? The major endocrine glands of the human body are the hypophysis (or pituitary), the pineal gland (or pineal body), the

Zoology, General characters of phylum protozoa

General characters of phylum protozoa

Why is vision important for life on earth, Q. What is vision? Why is vision...

Q. What is vision? Why is vision important for life on earth? Vision is the ability of some living beings to distinguish, to perceive and to interpret luminous stimuli. Visi

Explain the biochemical approach in taxonomy, Explain the Biochemical Appro...

Explain the Biochemical Approach in Taxonomy Comparative biochemistry is being used increasingly in the systematic of animals, both for identification of organisms as well as f

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