It could be, as well as a Past Tense, for instance.
thickened cream
The ICD-9 code for thickened endometrial is 793.5. Thickened endometrial is a thickened build up of tissue that is often pregnancy related.
you could have "the plot thickened."
why are the walls of a dam thickened near the base
The Latin equivalent of the English word 'curd' is lac concretum. In the word-by-word translation, the noun 'lac' means 'milk'. The past participle used as an adjective 'concretum' means 'compounded, condensed, congealed, stiffened, thickened'.
It is a keloid.
Being is the present participle. The past participle is been.
A lesion caused by a thickened area of epidermis is known as a keratosis.
The past participle of do is done. The past participle of have is had.
inflammation of thickened skin
The present participle is beating. The past participle is beat.
Present participle - winding Past participle - winded