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The vascular supply of the skin of Ayrshire calves and embryos

Published online by Cambridge University Press:  27 March 2009

A. Myfanwy Goodall  and
S. H. Yang
A. Myfanwy Goodall
Affiliation:
The Hannah Dairy Research Institute, Kirkhill, Ayr
S. H. Yang
Affiliation:
The Hannah Dairy Research Institute, Kirkhill, Ayr
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Extract

1. A method of perfusing the skin of the flanks and the backs of Ayrshire calves and embryos with indian ink is described.

2. The distribution of blood vessels in the perfused skins has been studied.

3. Three plexuses of blood vessels have been observed in the skins. The first lies below the corium; the second is at a level between that of the ‘sweat glands’ and the sebaceous glands; and the third extends from beneath the epidermis to above the second plexus and is a deep network of many fine blood vessels.

4. The presence of venae comites in the skin is discussed.

5. The ‘sweat glands’ appear to have a very poor blood supply, while the hair follicles and papillae are richly supplied.

6. Both the ‘sweat glands’ and the hair follicles are supplied with blood from the second plexus.

7. The vessels of the third plexus appear to enmesh the individual hair follicles at different levels.

8. Blood vessels supplying the skin in the back and flanks of the animals originate from the intercostal arteries and so pass through the heat generating intercostal muscles.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 44 , Issue 1 , February 1954 , pp. 1 - 4
Copyright
Copyright © Cambridge University Press 1954

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References

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