Customer Service Chat
Get quote & make Payment
Venous system, Biology
It is collecting system formed by the uniting branches as smaller and then larger veins and venacava leading to the heart.
Blood from anterior part of the body is returned to heart by two (in general mammals) anterior venacavae (or precavals), while from the posterior part by single posterior venacava (or postcaval).
Human Heart receives blood only through two great veins: Superior vena cava from anterior part and inferior vena cava from posterior part.
Precaval is formed by the union of common' Jugular vein, subclavian vein, intercostal vein and anterior azygos vein.
The jugular veins as external and internal jugulars bring blood from head and neck. The right and left external jugulars are connected through jugular anastomosis. The subclavian vein brings blood from forelimbs and shoulder.
A pair of pulmonary veins come from lungs and open by a common pore into left auricle.
In posterior part the main vein is dorsal vein which leads to heart as postcaval. This is formed by the union of one renal vein from each kidney, one hepatic vein, gonadal veins and veins from hind limbs like sciatic and femoral veins.
As speciality the venous system forms portal system in some parts of the body.
Posted Date: 10/2/2012 3:14:07 AM | Location : United States
Ask an Expert
Venous system, Assignment Help, Ask Question on Venous system, Get Answer, Expert's Help, Venous system Discussions
Write discussion on Venous system
Your posts are moderated
Write your message here..
Difference between extraradicular and intraradicular, What is the differenc...
What is the difference between extra. and intraradicular? Extraradicular means there is lesions came from periodontal or from the adjacent tissue and make periapical infection
Growth rate in animals, GROWTH RATE IN ANIMALS - Growth rate is differe...
GROWTH RATE IN ANIMALS - Growth rate is different at different periods of life. Growth period in human may be studied in 5 steps - (i) Prenatal - In gestation period fo
Methods including quantification of rna species, 1. Northern blotting ...
1. Northern blotting The quantity of rna species can be quantified by calculating the quantity of rna through northern blotting which provide size and sequence information
Classification based on digestive fate of carbohydrates, Explain Classifica...
Explain Classification Based on Digestive Fate of Carbohydrates? The digestive fate of carbohydrates depends on their inherent chemical nature (monosaccharide composition and t
Which is the other adnexal gland of the digestive system, Besides the liver...
Besides the liver which is the other adnexal gland of the digestive system that releases substances in the duodenum participating in extracellular digestion? The other adnexal
What do you understand by chromosome behaviour, Q. What do you understand b...
Q. What do you understand by Chromosome Behaviour? When we study meiosis. we not only observe the regularity of pairing which is important' for' the fertility of the plants, we
Explain the working of conical flasks, Explain the working of Conical Flask...
Explain the working of Conical Flasks? Conical flasks of different volumes can be used for media preparation and also for culturing large amount of microorganisms in liquid med
Endodermis , Endodermis is the layer of cells surrounding the vascular cyl...
Endodermis is the layer of cells surrounding the vascular cylinder of plants.
Explain the nerve cell structure and function, Explain the Nerve Cell Struc...
Explain the Nerve Cell Structure and Function? Before studying the organization of the nervous system, we will look at the relationship between structure and function of nerve
Steps of initiation , The entire mechanism of protein synthesis i...
The entire mechanism of protein synthesis in eukaryotes is generally the same as in prokaryotes, with three phases explained as termination, elongation and initiation. Furthermore,
Accounting Assignment Help
Economics Assignment Help
Finance Assignment Help
Statistics Assignment Help
Physics Assignment Help
Chemistry Assignment Help
Math Assignment Help
Biology Assignment Help
English Assignment Help
Management Assignment Help
Engineering Assignment Help
Programming Assignment Help
Computer Science Assignment Help
IT Courses and Help
Why Us ?
~24x7 hrs Support
~Quality of Work
~Time on Delivery
~Privacy of Work
Human Resource Management
Literature Review Writing Help
Follow Us |
T & C
Copyright by ExpertsMind IT Educational Pvt. Ltd.