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A sebaceous gland or oil gland[1] is a microscopic exocrine gland in the skin that opens into a hair follicle to secrete an oily or waxy matter, called sebum, which lubricates the hair and skin of mammals. [2] In humans, sebaceous glands occur in the greatest number on the face and scalp, but also on all parts of the skin except the palms of ...
Fordyce spots (also termed Fordyce granules) are harmless and painless visible sebaceous glands typically appearing as white/yellow small bumps or spots on the inside of lips or cheeks, gums, or genitalia. [1][2] They are common, [3] and are present in around 80% of adults. [1] Treatment is generally not required and attempts to remove them ...
Sebaceous prominences are raised bumps similar to Fordyce's spots on the shaft of the penis, located at the sebaceous glands and are normal. Phimosis is an inability to retract the foreskin fully. It is normal and harmless in infancy and pre-pubescence, occurring in about 8% of boys at age 10.
Human penis with visible smegma behind the glans. In males, smegma helps keep the glans moist and facilitates sexual intercourse by acting as a lubricant. [7] [8] [9] Smegma was originally thought to be produced by sebaceous glands near the frenulum called Tyson's glands; however, subsequent studies have failed to find these glands. [10]
Sebum is an oily substance produced by your sebaceous glands, mostly on your face and scalp. ... Early puberty symptoms may include enlargement of the penis, hair growth patterns similar to adult ...
Pearly penile papules. Pearly penile papules (PPP; also known as hirsutoid papillomas or as papillae coronae glandis, [4] Latin for 'papillae of the corona of the glans') are benign, small bumps or spots on the human penis. [2][3] They vary in size from 1–4 mm, are pearly or flesh-colored, smooth and dome-topped or filiform, and appear in one ...
Preputial mucosa. The preputial mucosa of the penis is the epithelium of the inside of the prepuce, or foreskin. [1] To differentiate it from the cutaneous skin of the outside of the prepuce, it is sometimes referred to as the inner mucosa. It starts at the ridged band of the prepuce and continues to the coronal sulcus (groove behind the glans ...
In most terrestrial mammals, the scrotum (pl.: scrotums or scrota; possibly from Latin scortum, meaning "hide" or "skin") [ 1 ][ 2 ] or scrotal sac is a part of the external male genitalia located at the base of the penis. It consists of a sac of skin containing the external spermatic fascia, testicles, epididymides, and vasa deferentia.