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

List the routine treatment sequence for an implant patient, List the routin...

List the routine treatment sequence for an implant patient. The different phases are - Preliminary treatment - Stage I surgical phase - Stage II surgery and Prosthetic

Sterility assurance, All the efforts that go into the preparation of instru...

All the efforts that go into the preparation of instruments are futile if the sterilization process itself is not successful. There is no way of seeing that instruments are sterile

Give three examples of cell structures, Give three examples of cell structu...

Give three examples of cell structures which contain structural proteins. What is the other type of protein in a cell? (a) Cytoplasm, the cell membrane, memb

What is the difference between osmosis and diffusion, What is the differenc...

What is the difference between osmosis and diffusion? Osmosis is the occurrence of movement of solvent particles (in general, water) from a region of lower solute concentration

Pectin, PECTIN It consists of methylated galacturonic acid, galactos...

PECTIN It consists of methylated galacturonic acid, galactose & arabinose. It is also called plant cement becuase it binds layers of cell wall. It is a structural poly

Explain the composition of macconkey agar, Explain the Composition of MacCo...

Explain the Composition of MacConkey Agar? Bactopeptone - 17.0 gm Protease Peptone - 3.0 gm Lactose - 10.0 gm Bile salt mixture - 1.5 gm Sodium chloride - 5.0 gm

Skeletal system - vertebral column, VERTEBRAL COLUMN - It is curved ...

VERTEBRAL COLUMN - It is curved vertical about 70 cms. long. It consists of 33 vertebrae (after fusion 26). It shows 4 curvatures - (i) Cervical curvatures

Define food intake and energy requirements for humans, Define Food Intake a...

Define Food Intake and Energy Requirements for Humans? Many studies have shown that the subjects loose significant amounts of body mass; fat mass, as well as, fat free mass du

Tpes of diarrhoea, Tpes of Diarrhoea: Diarrhoea can be acute, chronicl...

Tpes of Diarrhoea: Diarrhoea can be acute, chroniclpersistent diarrhoea and dysentery.  If an episode of diarrhoea lasts less than 14 days, it is acute diarrhoea. Acute wat

Preparation for hospitalization of child - nursing, Preparation for Hospita...

Preparation for Hospitalization   Prevention is a strong component of nursing care. Preparation prior to hospitalization is  essential to make the transition from home to hospi

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