Skeletal system - girdles, Biology

GIRDLES -

(i) PECTORAL GIRDLE -

  1. 4 bones. It is located on posterolateral part of upper region of the throax.
  2. It consists of scapula & clavicle. Scapula is placed at the back of shoulder. It is large, triangular blade like.
  3. It has at its lateral angle, a glenoid cavity for the articulation of head of humerus.
  4. Clavicle is also known as collar bone.

1490_girdle.png

FUNCTIONS -

It provides articulation to arm bones. Placement of muscles.

(ii) PELVIC GIRDLE

  1. 2 bones. Located in lower part of trunk.
  2. Made up of Ilium, ischium & pubis, all three forms innominate or hip bone.
  3. Innominate of both sides combine from pubis symphysis.
  4. Acetabulum cavity present articulated with had of femur.
  5. Between girdle obturator foramen present.

1648_girdle1.png             461_girdle2.png

2257_girdle3.png

A PART OF PELVIC GIRDLE OF MAN

FUNCTIONS -

1.      It provides articulution to hind leg's bones.

2.      It transfer the weight of body to leg.

3.      It provides the attachment to certain leg muscles.

Posted Date: 10/2/2012 8:48:36 AM | Location : United States







Related Discussions:- Skeletal system - girdles, Assignment Help, Ask Question on Skeletal system - girdles, Get Answer, Expert's Help, Skeletal system - girdles Discussions

Write discussion on Skeletal system - girdles
Your posts are moderated
Related Questions
Q. What are mycotoxins? How are these produced and where are these found? Are these naturally-occurring or produced? What is their significance? First what are mycotoxins?

Define requirements of Vitamin A of infants? On the basis of vitamin A ingested by breast fed infants in well-nourished communities, ICMR (1990) has recommended a daily allowan

Explain the term-Diffusion Diffusion occurs from the side of greater concentration to the side of lesser concentration. In aqueous humour this occurs from the plasma side in th

Define Procedure for Standardization of HCl for Saponification Number of Fats? Precisely weigh 2.65 g of anhydrous sodium carbonate and transfer it to 100 ml volumetric flask.

State the term- Hue Hue  is the dominant spectral colour (rainbow) and is related to the wavelength of light. In Munsell system there are five principal hues; red (R), yellow (

Q. Symptoms of oesophagitis? The symptoms of oesophagitis include heartburn or pyrosis, iron-deficiency anaemia due to chronic tissue bleeding, aspiration, which may cause coug

Haemolysis :  Mechanical valves, bioprosthetic valves as well as valves repaired with annuloplasty rings may cause haemolysis and related anaemia. This is more common when there i

General characteristics of phylum

Define the Stages of ConvaIescenca - Nutrition during Stress? This period of catabolism and alteration of the hormonal environment is known as the 'adrenergic - corticoid phase

What is Glycolysis in Cell Metabolism? Glycolysis :  is the process that breaks down glucose into pyruvate and energy. Glycolysis does not require the presence of oxygen and