Sebaceous hyperplasia
Encyclopedia
Sebaceous hyperplasia is a disorder of the sebaceous gland
s in which they become enlarged.producing yellow, shiny bumps on the face. These bumps are a natural response to the maternal hormones of pregnancy and usually resolve on their own within a few weeks after delivery.
Sebaceous gland
s are glands located within the skin
,and are responsible for secreting an oily substance named sebum. They are commonly associated with hair follicle
s but they can be found in hairless regions of the skin as well. Their secretion lubricates the skin, protecting it from drying out or becoming irritated.
Sebaceous hyperplasia generally affects newborns as well as middle-aged to elderly adults. The symptoms of this condition are 1-5 mm papule
s on the skin, mainly on the forehead, nose and cheeks, and seborrheic facial skin. The papules may be cauliflower
-shaped. Acne
is also a symptom of this glandular disorder. It differs from the type of acne that affects adolescents and young adults, in that it is of a more abnormally discolored composition.
Sebaceous gland
The sebaceous glands are microscopic glands in the skin that secrete an oily/waxy matter, called sebum, to lubricate and waterproof the skin and hair of mammals...
s in which they become enlarged.producing yellow, shiny bumps on the face. These bumps are a natural response to the maternal hormones of pregnancy and usually resolve on their own within a few weeks after delivery.
Sebaceous gland
Sebaceous gland
The sebaceous glands are microscopic glands in the skin that secrete an oily/waxy matter, called sebum, to lubricate and waterproof the skin and hair of mammals...
s are glands located within the skin
Skin
-Dermis:The dermis is the layer of skin beneath the epidermis that consists of connective tissue and cushions the body from stress and strain. The dermis is tightly connected to the epidermis by a basement membrane. It also harbors many Mechanoreceptors that provide the sense of touch and heat...
,and are responsible for secreting an oily substance named sebum. They are commonly associated with hair follicle
Hair follicle
A hair follicle is a skin organ that produces hair. Hair production occurs in phases, including a growth phase , and cessation phase , and a rest phase . Stem cells are principally responsible for the production of hair....
s but they can be found in hairless regions of the skin as well. Their secretion lubricates the skin, protecting it from drying out or becoming irritated.
Sebaceous hyperplasia generally affects newborns as well as middle-aged to elderly adults. The symptoms of this condition are 1-5 mm papule
Papule
A papule is a circumscribed, solid elevation of skin with no visible fluid, varying in size from a pinhead to 1 cm.With regard to the quote "...varying in size from a pinhead to 1cm," depending on which text is referenced, some authors state the cutoff between a papule and a plaque as 0.5cm,...
s on the skin, mainly on the forehead, nose and cheeks, and seborrheic facial skin. The papules may be cauliflower
Cauliflower
Cauliflower is one of several vegetables in the species Brassica oleracea, in the family Brassicaceae. It is an annual plant that reproduces by seed...
-shaped. Acne
Acne vulgaris
Acne vulgaris is a common human skin disease, characterized by areas of skin with seborrhea , comedones , papules , pustules , Nodules and possibly scarring...
is also a symptom of this glandular disorder. It differs from the type of acne that affects adolescents and young adults, in that it is of a more abnormally discolored composition.