Surface markings of the heart, Biology

Assignment Help:

The Upper Border of the Heart

A:  Mark a point on the lower border of the left second costal cartilage 1.2 cm away from the sternal margin.

B:  Mark a point on the upper border of the right third costal cartilage 1.2 cm away from the sternal margin.

Join these two points with a straight line. The line marks the upper border of the heart which is formed by the atria. Right atrium forms the right one-third and the left atrium forms the  left two   third of the upper border.

Right Border of the Heart

C:  Mark a point on the right sixth costal cartilage 2.5 cm away from the sternal margin.

Connect points B and C a lie which is slightly convex to the right and this line will mark the right border. The right border is formed by the right atrium. 

Lower Border of the Heart

D:  Mark a point in the left fifth intercostal space 9 cm. from the median plane. Join points C and D by a line which passing through the xiphisternal joint. The right twothirds of the lower border is formed by the right ventricle and the left one third is formed by the left ventricle.


Related Discussions:- Surface markings of the heart

How sex chromosomes of the xy system -sex determination, Concerning the sex...

Concerning the sex chromosomes of the XY system which type of gamete do the male and the female individuals respectively produce? An Individual of the female sex is XX and thus

Determine the viscosity of solutions, Viscosity Viscosity, as you may ...

Viscosity Viscosity, as you may already know, is associated with fluid flow.  It is the internal friction which tends to bring to rest portions of the fluids moving relative to

Integral membrane protein movement and distribution, Various proteins are f...

Various proteins are free to take a move laterally in the plane of the bilayer. One experiment used to represent this included fusing cultured mouse cells with human cells under ap

Derive gorlin formula, Q. Derive Gorlin Formula? Formula I: First Hydra...

Q. Derive Gorlin Formula? Formula I: First Hydraulic Formula (Toricelli's law) F = AVCc Where, F = flow rate A = orifice area Cc = coefficient of orifice cont

What is elongation cycle , At the starting of the first round of elon...

At the starting of the first round of elongation, the initiation codon (AUG) is positioned in the P site with fMet-tRNAfMet bound to it by codon-anticodon base pairing.  In The nex

What is tricuspid atresia: surgery for single ventricle, What is Tricuspid ...

What is Tricuspid Atresia: Surgery for Single Ventricle Physiology In tricuspid atresia, the right atrium fails to open into right ventricle through a right atrioventricular va

Determine the procedure of rothera test, Rothera's Test It is highly se...

Rothera's Test It is highly sensitive for both acetoacetic and acetone. Although it is one of the oldest methods still it is widely used. Procedure: - Take about 5ml of

Human respiratory system - thoracic cavity, THORACI C CAVITY - Thor...

THORACI C CAVITY - Thoracic cavity is air tight. On dorsal side vertebral column present. On ventral side sternum present. On lateral side 12 pairs ribs present. On p

Devices for controlling of particulate emissions, Particulate matter in gas...

Particulate matter in gaseous effluents consists of particles of size ranging from 0.1 um to 100 um. The device selection is based upon physical and chemical characteristic of part

Characteristics of nutrient uptake, Characteristics of Nutrient Uptake ...

Characteristics of Nutrient Uptake These results show certain characteristics of nutrient uptake. Selectivity: Certain mineral elements are taken up preferentiall

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