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

Define the effect of zinc deficiency, Define the effect of Zinc Deficiency?...

Define the effect of Zinc Deficiency? Zinc deficiency was identified for the first time in 1940 when malnourished Chinese patients were found to have low concentrations of zinc

Are hormones only proteins, Are hormones only proteins? Some hormones a...

Are hormones only proteins? Some hormones are proteins, such as insulin, glucagon and ADH, others are derived from proteins (changed amino acids), like adrenaline and noradrena

What concerns should alek''s healthcare, Nine-year-old Alek is admitted to ...

Nine-year-old Alek is admitted to the emergency room with a closed fracture of the right femur. Radiography revels that the fracture crosses the distal epiphyseal plate. What conce

What is passive transport , The passive transport of molecules across a me...

The passive transport of molecules across a membrane does not require an input of metabolic energy. Rate of the diffusion or transport is proportional to the concentration gradient

What are the gynoecium and the androecium, Q. What are the gynoecium and th...

Q. What are the gynoecium and the androecium? What are the other structures of flowers? Androecium is set of male reproductive structures of flowers it comprehends the stamens

Anaemia, A n a e m i a It is defined as decrease in the amount of...

A n a e m i a It is defined as decrease in the amount of haemoglobin (Hb) per unit of blood. This may or may not be accompanied by a reduction in the red blood cells (RBC

Explain energy requirement in postoperative nutritional care, Explain the E...

Explain the Energy requirement in Postoperative Nutritional Care? Adequate calorie intake is critical for successful outcome of surgery and should be provided in the form of ca

Explain minerals requirement during thyphoid, Explain Minerals requirement ...

Explain Minerals requirement during thyphoid Minerals:   Loss of electrolytes and water is observed due to diarrhoea. Thus liberalizing on sodium intake  through salty soups,

Ablation experiment, Ablation experiment  is an experiment designed to prod...

Ablation experiment  is an experiment designed to produce an animal deficient in one or the few cell types, in order to study cell lineage or the cell function. The logic is to mak

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