Class 4 Skin Flashcards
Acrocyanosis
a bluish discoloration of the hands and feet may be present at birth and may persist for several days or longer if the newborn is kept in cool ambient temperatures.
Alopecia
hair loss
Annular
shaped like a ring; used to describe a lesion that forms a ring around a clear center of normal skin
Apocrine
referring to glands found in the axillae and anogenital areas.
Cellular stratum
the location where keratin cells are synthesized
Cellulitis
a diffuse, acute infection or the skin and subcutaneous tissue
Chloasma
facial discoloration common during pregnancy; also called the mask of pregnancy.
Confluent
referring to lesions that run together.
Cutis marmorata
a marbled or mottled appearance to the skin of a newborn when exposed to decreased temperatures; occurs because the newborn’s immature vascular systems is unable to adapt to temperature changes.
Dermatomal
referring to a lesion that follows a nerve or segment of the body.
Dermis
richly vascular connective tissue layer of the skin.
Ecchymosis
a contusion or a bruise.
Eczematous dermatitis
the most common inflammatory skin disorder; several forms exist, including irritant contact dermatitis, allergic contact dermatitis, and atopic dermatitis.
Epidermis
outer portion of skin.
Erythema toxicum
a pink papular rash common in newborns; often characterized by vesicles on the back and thorax about 36 hours after birth.
Folliculitis
inflammation and infection of the hair follicle and surrounding dermis.
Furuncle
a deep-seated infection of the pilosebaceous unit
A boil; A painful, pus-filled bump under the skin caused by infected, inflamed hair follicles
Generalized
widely distributed or present in several areas at the same time.
Harlequin color change
a skin coloration that occurs in some newborns in response to changes in position; for example, while sidelying, a newborn infant may develop a pink color on the dependent lower half of the body, whereas the top half is pale.
Herpes simplex
infection caused by the herpes simplex virus.
Herpes zoster
infection caused by the varicella zoster virus.
Hypodermis
layer of skin that connects the dermis to the underlying organs.
Keloid
hypertrophied scar tissue.
Keratin
waterproofing protein. Fibrous protein that helps form structural constituent
Lanugo
fine, silky hair of newborns
Melanin
pigment that gives skin its color.
Mongolian spots
areas of deep bluish-gray pigmentation on the sacral aspect of a newborn.
Morbilliform
refers to maculopapular lesions that become confluent on the face and body.
Nails
epidermal cells converted to hard plates of keratin.
Nevus
a mole.
Papillae
loops of capillaries that supply nourishment for hair follicles.
Petechiae
tiny, flat purple or red spots on the skin surface, resulting from minute hemorrhages within the dermal layer.
Pityriasis rosea
self-limiting inflammation of unknown cause.
Plaque
a type of skin lesion common in patients with psoriasis.
Psoriasis
a chronic and recurrent disease of keratin synthesis. often have plaque
Build up of skin cells -> scaly, itchy, dry patches
Reticulate
referring to a lesion with a netlike or lacy appearance.
Rosacea
a chronic inflammatory skin disorder.
Sebum
a lipid substance that keeps skin and hair from drying out.
Serpiginous
referring to lesions that appear to occur in a wavy line.
Stellate
referring to a star-shaped lesion.
Stratum corneum
outermost layer of the dermis, which protects the body against environmental stressors and water loss.
Stratum lucidum
layer of dermis found in thicker skin on the palms and soles.
Telangiectasis
fine, irregular red lines produced by capillary dilation.
Tinea
a group of non-candidal fungal infections that involve the stratum corneum, nails, and hair.
Vellus
short, fine hair that is nonpigmented.
Vernix.
a mixture of sebum and cornified epidermis
Vesicle
a fluid-filled, elevated, but superficial skin lesion.
Wood’s lamp
type of lamp used to fluoresce skin lesion
