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57 Cards in this Set

  • Front
  • Back

Epidermis

Surface layer of the skin

Dermis

Layer of skin where nerve and vessels lie

Hypodermis

Innermost layer of skin where fat cells lie

Keratinocytes

Located in the epidermis, a protein that is highly resistant to mechanical and chemical injury as well as waterproof

Basal cells

mitotic cells; where tumors form in the epidermis

Melanocytes

Produce melanin, the brown pigment in your skin. All the same in various races, the difference is the number of them.

to protect from outside influences and limit water loss

Function of the skin

UV LIGHT

Most important skin carcinogen

SKIN

The most common site for tumors on the human body; always impacting the external environment

Macule

Flat lesion, small-change in skin color i.e. freckle

Papule

Raised lump, small, less than 1cm (does not have fluid)

Vesicle

Raised lump with fluid in it

Pustule

Raised lump with puss inside

Plaque

area of dry skin

Ulcer

epithelial problem where the epidermis is dissolved through down to the dermis

Nodule

like a papule, just much larger

Nevus

Normal skin elements that are present but are arranged in an abnormal manner. Nothing more than melanocytes that are grouped together

Albinism

Lacks pigment throughout the entire body; eyes tend to look red. Usually occurs when an enzyme is missing that produces melanin

Bullosa

A blister due to the rubbing of the skin

Mechanical

Anything that disrupts the integrity of the skin such as cuts, bruises or a contusion

Thermal

Destroyed tissue, leaves body at a susceptibility to dehydration. Depends on the temperature, length of exposure, mode, and site of the injury.

First degree burn

Least severe grading of burns, edema, redness, may have single cell necrosis

Third degree burn (full thickness)

Most severe, removed much of the epidermis and burned into or through the dermis. Massive necrosis of epidermis and sometimes into the dermis and beyond

Second degree burn (partial thickness)

Blistering, the dermis is spared but significant nerve involvement an edema.

Cold

Your body reacts by dilating the blood vessels in the dermis and the peripheral cells will dilate trying to bring more temperature to the body

Electrical burn

Entrance and exit point- can also not only cause damage to the skin but to the deeper tissue and internal organs

Hyperemia

Acute exposure to the sun over a short period of time

Tan

stimulation of the melanocytes

Ionizing radiation

X-rays that can cause burns much like sunlight; when repeated exposure it can cause the same aspects of a thermal burn

Primary (bacteria)

Occur on apparently normal skin. Typically caused by puss forming bacteria called pyodermas

Secondary (bacteria)

Complicate preexisting skin diseases or wounds and ulcers.

Systemic (bacteria)

spread to skin through blood or the lymph or by direct extension of the infection from the underlying tissue of the skin.


Impetigo

Rash like appearing pustules that will rupture. caused by strep- common in children

Dermatophytes

Fungal pathogens that live in dead tissues and cause itching and discomfort; may lead to fissures and scaling

Tinea

Ring worm

Tinea pedis

Fungal infection on the toes and in the toe nails

Tenia cruris

Fungal infection on the ass

Measles

papulomacular types of lesions that can be found over the surface of the body and itch. Somewhat self limiting

Herpes

Localized, blistering, viral skin disease affecting adults (simplex type 1) Pustules are formed

WART

Caused by the HPV virus and removed typically by freezing them off

scabies

contagious skin disease caused by a mite

Acne vulgaris

plugs of keratin that sets up the sebum of oily discharge to where they can't get out and grow and expand.

Eczema

inflammation of the skin with a hyperkeratosis that forms papules and vesicles; itching occurs.

Seborrheic dermatitis

Usually get this on the head or scalp; chronic disease that forms dandruff

Psoriasis

Immune disorder papuloquamous lesions that form scales on the elbow or knees.


May develop into arthritis

Seborrheic keratosis

the most common benign epidermal tumor. Presents in the form of a brownish, wart like, flat topped lesion.

Basal cell carcinoma

Most common malignant tumor but doesn't readily metastases. Related to over UV exposure. The growth of basal cells that form pockets

Squamous cell carcinoma

Malignant tumor of surface epithelium

Ephelis

Benign melanocyte that show a hyper reactivity and become more pronounced when exposed to the sun

Lentigo

Sharply demarcated macule occupied by an increased number of melanocytes

Malignant melanoma

Melanocytes or regular skin that become malignant; most invasive and very metastatic

Dermatofibroma

Benign tumor of the fibroblast usually treated with surgical excision

Kaposi's sarcoma

Dermal rumor of the blood vessels and connective tissue and presents as hemorrhagic nodules, often multiple and confluent ; Rare unless you gots the AIDs



Caused by the herpes virus type 8

Paronychia

Inflammation of the cuticle of the nail bed

Onchomycoses

fungus in the toe nail/ finger nail

Hirsutism

Excess hair on the body

Alopecia

Focal vs diffuse


Focal has patches on hair that is lost


Diffuse you have baldness


Male pattern boldness has a strong hereditary component