Cutaneous asthenia

Cutaneous asthenia is a skin disorder caused by a collagen defect. Collagen is the protein that binds the cells of the dermis together. It is also called dermatoproxy, hereditary skin fragility or cutis elastica ("elastic skin") and is found in humans, cats, dogs,^[1] mink, horses, cattle and sheep. In cattle and sheep, it is called dermatosparaxis^[2] ('torn skin'). The skin is also abnormally fragile. The skin flaps peel or slough off very easily, often without causing bleeding. This explains why cats with the condition suddenly "molt" their wings.

It is variously known as:

Ehlers–Danlos syndrome — humans
Hereditary equine regional dermal asthenia — horses
Feline cutaneous asthenia — cats^[1]

References

1 2 Maudlin, EA; Peters-Kennedy, J (2015). "Chapter 6: Integumentary system. Congenital and hereditary diseases of skin". In Maxie, G. Jubb, Kennedy & Palmer's Pathology of Domestic Animals (6th ed.). Elsevier Health Sciences. pp. 544–546. ISBN 9780702063190.
↑ Halper, J (2014). "Connective tissue disorders in domestic animals". Advances in Experimental Medicine and Biology. 802: 231–40. doi:10.1007/978-94-007-7893-1_14. PMID 24443030.

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[Maudlin_2015-1] 1 2 Maudlin, EA; Peters-Kennedy, J (2015). "Chapter 6: Integumentary system. Congenital and hereditary diseases of skin". In Maxie, G. Jubb, Kennedy & Palmer's Pathology of Domestic Animals (6th ed.). Elsevier Health Sciences. pp. 544–546. ISBN 9780702063190.

[Hapler_2014-2] Halper, J (2014). "Connective tissue disorders in domestic animals". Advances in Experimental Medicine and Biology. 802: 231–40. doi:10.1007/978-94-007-7893-1_14. PMID 24443030.