Meanings of black discoloration in English

During surgery, black discoloration of the thyroid and trachea was observed.

Therefore, the black discoloration of the thyroid associated with the use of minocycline can extend to the thyroid cartilage, cricoid cartilage, and trachea.

On aortotomy, she was noted to have an impressive black discoloration of ascending aorta and the aortic root complex involving the aortic valve leaflets.

Bananas and plantains are very prone to brown- black discoloration thanks to browning enzymes and phenolic substances in defensive latex-bearing vessels associated with the vascular system.

The edges of the wound were tinged with black discolorations.

There were still black discolorations under his neck, the distinctive trademark of Captain Trips.