Sentence examples for oily secretion from inspiring English sources

It strips the birds of an oily secretion that coats their feathers and keeps them warm.

The grime on old notes is mainly made up of sebum (an oily secretion found on skin and in earwax), a biologist reports.

They are contained in sebum - the oily secretion that coats everybody's skin, but which is often produced in greater quantity by people with Parkinson's, making them more likely to develop a skin complaint called seborrheic dermatitis.

This produces an oily secretion that waterproofs the feathers when the bird preens.

Another possibility is that they may produce an oily secretion that prevents mud from adhering to the skin.

Sadly, pelicans rub the backs of their heads on their preen glands to pick up its oily secretion which they transfer to their plumage to waterproof it.

The exposed surface of the globe (eyeball) is kept moist by the tears secreted by the lacrimal apparatus, together with the mucous and oily secretions of the other secretory organs and cells of the lids and conjunctiva; these have been described earlier.

The foreskin may also produce oily secretions that make parents nervous but are not abnormal, he said.

In latent fingerprints, the ridge structure is reproduced not in ink on a record card but on an object in sweat, oily secretions, or other substances naturally present on the culprit's fingers.

These mites live in hair follicles, feasting on your body's oily secretions.

Alcohol was used to remove oily secretions from the skin, and contact gel was applied to the skin.