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

Categories of value of biodiversity, Q. Categories of value of biodiversity...

Q. Categories of value of biodiversity? The value of biodiversity is often divided into two main categories: · UTILITARIAN (also known as instrumental, extrinsic, or use) v

Endocrine versus neural integration, Endocrine versus Neural Integration ...

Endocrine versus Neural Integration A question that surely comes across your mind is, "what is the need for two types of integrative mechanisms, the neural and the endocrine"

Codon, Codon is the group of three consecutive nucleotides within the mess...

Codon is the group of three consecutive nucleotides within the messenger RNA (mRNA) which encodes a message to initiate translation, to incorporate the specific amino acid into th

How many layers in retina, How many Layers in retina The retina is comp...

How many Layers in retina The retina is composed of  ten  layers: a:)  Pigmented epithelium (outermost layer), b)  Neusoepithelium, rods and cones  (photoreceptors), c

Fundamental difference between protozoans and algae, What is the fundamenta...

What is the fundamental difference between protozoans and algae? The basic difference among protozoans and algae is the fact that protozoans are heterotrophs whereas algae are p

Explain class adverse effects of nnrti, Class adverse effects of NNRTI ...

Class adverse effects of NNRTI All NNRTIs can cause a rash that is sometimes severe. NNRTIs are metabolized by and can affect hepatic CYP 450 isozymes; drug interactions can o

Define some example of acidic and basic buffer, Define Some Example of Acid...

Define Some Example of Acidic and Basic Buffer? Frequently used example of acidic and basic buffer includes: - Acidic buffer: a mixture of CH 3 COOH (acetic acid) + CH 3 C

Explain phenotypical traits, Why is not Mendel's second law always valid fo...

Why is not Mendel's second law always valid for two or more phenotypical traits of an individual? Mendel's second law, or the law of the independent assortment, is valid for g

Coccidioidomycosis, Coccidioidomycosis Coccidioidomycosis is a soil-...

Coccidioidomycosis Coccidioidomycosis is a soil-borne infection of pet, domestic, wild animals and  man. The disease is caused by Coccidioides immitis, a dimorphic fungus wh

Patterns & Mechanisms of Evolution, What types of individuals in a populati...

What types of individuals in a population are represented by the two ends of a bell curve?

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