Xanthosis

Xanthosis is a yellowish discoloration of degenerating tissues, especially seen in malignant neoplasms.

[2] Xanthosis is a brown pigmentation of skeletal and heart muscles of cattle.

The condition is particularly seen in older animals, and in some wasting diseases.

[3] Prevalent in Ayrshire cattle and their crosses.

[4] It was the championship word used in the 1995 Scripps National Spelling Bee, and was also featured in the film Akeelah and the Bee.