Comedo
According to the NIH, it is called a comedo.
Pimples are sebaceous glands (oil glands ) that are infected
By a buildup of pigment cells which determine skin color.
The causes of nodular acne in a person are caused by over production of sebum in the body, bacterial buildup, hormonal imbalances and dead skin getting clogged in pores.
It is caused by a sexually transmitted virus, called HPV. It progresses from a benign lesion to a low grade lesion. It then progresses to a high grade lesion which can progress to a microinvasive and then invasive lesion
submerged islands
antibody IgA is found in sebum
Yes, sebum contains lipids. Sebum is an oily substance secreted by the sebaceous glands of the skin.
Another name for sebum is oil produced by the skin.
Sebaceous Gland secretes Sebum, an oily substance that coats the follicle and works its way to the skin's surface to waterproof and lubricate the skin and hair.
Mountains formed from the buildup of volcanic lava often take this shape