Skeletal system - hind arm or leg bones, Biology

Assignment Help:

HIND ARM OR LEG BONES -

Each leg contain 30 bones as : femur in thigh, patella in knee, tibia & fibula in the lower leg, 7 tarsals in ankle, 5 metatorsles in the sole, 14 phalanges in toes.

FEMUR -

Head of femur is fitted in acetabulum of pelvic girdle.

Condyles of femur fit with facets of fibula and form knee joint.

Proximal end of femur has two bony projection greater trochanter and lesser trochanter.

Third trochenter absent in man, but present in rabbit.

775_femur.png

PATELLA -

It is knee cap. It is sesamoid bone because it is formed by ossification of tendon.

TIBIA FIBULA -

Tibia is stout while fibula is thin and small.

Both bones are clear at proximal end while fused at distal end.

Fibula located on outerside of leg.

Cnemial crest present in rabbit.

72_tibia fibula.png

FOOT -

Ankle, sole & toes are clear. In ankle tarsals are present.

In sole metatarsals are present. In toes phalanges are present.

In man phalangeal formula is 2 3 3 3 3 = 14.  In rabbit phalangeal formula is 3 3 3 3 = 12.

1340_foot.png


Related Discussions:- Skeletal system - hind arm or leg bones

Characteristic features of phylum cnidaria, Characteristic features of Phyl...

Characteristic features of Phylum Cnidaria All are aquatic animals. Radial or biradial symmetry around an oro-aboral axis, but no head. Diploblastic, with an epidermi

Explain about listeria monocytogenes infection, Explain about Listeria mono...

Explain about Listeria monocytogenes infection Listeria monocytogenes is a gram-positive, motile, non-spore forming rod. It is widely distributed in nature and can be found on

Chordates and non chordates, give an account of ciliary and flagellar move...

give an account of ciliary and flagellar movement in protozoa

What is the function of the plant cell wall, Q. What is the function of the...

Q. What is the function of the plant cell wall? The plant cell wall has protective and structural functions. It plays an significant role in the constraint of the cell size, pr

Discuss about human ears, Ears We have a pair of ears. Each ear has thr...

Ears We have a pair of ears. Each ear has three parts - external, middle and inner ear. The function of the middle ear is transmission of sound waves from external to inner ear

What is dynamic auscultation in heart surgery, What is Dynamic Auscultation...

What is Dynamic Auscultation in heart surgery? It involves determining the effects on heart sounds and murmurs of various physiological and pharmacological manoeuvres, which al

In vitro fertilisation that involves into the fallopian tub, In vitro ferti...

In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? 1. Embryo only, upto 8 cell stage 2. Either zygote or ear

What are the three main parts of a eukaryotic cell, Q. What are the three m...

Q. What are the three main parts of a eukaryotic cell? The eukaryotic cell can be separated into two major portions: the cell membrane that separates the intracellular space fr

Transport and facilitated diffusion have in common, Q. What do active trans...

Q. What do active transport and facilitated diffusion have in common? What are the dissimilarity between them? Facilitated diffusion can be perplexed with active transport beca

Morula in humans, Which one of the following statements about morula in hum...

Which one of the following statements about morula in humans is correct? 1. It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA 2. It has far l

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