sebum

As nouns the difference between phlegm and sebum

is that phlegm is (historical) one of the four humors making up the body in ancient and mediaeval medicine; said to be cold and moist, and often identified with mucus while sebum is sebum.

As a noun sebum

is sebum.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between puss and sebum

is that puss is (informal) a cat or puss can be (slang) the mouth while sebum is sebum.

As nouns the difference between sebum and blackheads

is that sebum is sebum while blackheads is .

As nouns the difference between pus and sebum

is that pus is a whitish-yellow or yellow substance composed primarily of dead white blood cells and dead pyogenic bacteria; normally found in regions of bacterial infection while sebum is a thick oily substance, secreted by the sebaceous glands of the skin, that consists of fat, keratin and cellular debris.

As an initialism PUS

is permanent Under Secretary (UK.

As nouns the difference between sebum and sedum

is that sebum is sebum while sedum is any of various succulent plants, of the genus sedum , native to temperate zones; the stonecrop.

As nouns the difference between taxonomy and sebum

is that taxonomy is the science or the technique used to make a classification while sebum is sebum.

In physiology terms the difference between mucus and sebum

is that mucus is a slippery secretion from the lining of the mucous membranes while sebum is a thick oily substance, secreted by the sebaceous glands of the skin, that consists of fat, keratin and cellular debris.