Notes 5

Chap 5 Med Term Notes

Main idea of Chap: study of the integumentary system, which consists of skin and epidermal structures

Integument –A.K.A. skin- elaborate system of tissues, protects underlying structures

The skin______________ underlying structures and provides  

  The skin also ______________ food and water and  

Epidermis – ______________r layer of skin, very thin accept on palms of hands and bottom of feet

*Strata are called  

Stratum corneu- The outer most layer of the epidermis that is composed of

Stratum germinativum – ______________ important layers of epidermis which includes a  

                *After the cells are formed, they migrate to the surface and die. They fill with  

Keratin- Helps prevent the body from ______________  ______________. (The process from Stratum germinativum to Stratum corneu takes about a month.)

Melanocytes- Specialized cells in the basal layer of the epidermis that has  

Melanin – ______________ in skin, _________    _____   ______________ that is damaging from the sun. Local accumulation of Melanin

Albinism – lack of  

Dermis – aka. Corium, directly beneath epidermis, contains  

Hypodermis/subcutaneous tissue – loose______________tissue that ______________dermis to underlying structures

Accessory Organs of the Skin- These structures are formed from the epidermis.

• 1. Exocrine glands – ______________ glands (______________) and ______________ glands (______________) secrete substances through skin rather than bloodstream

Extremely important in maintaining the body’s   

Sebaceous glands are most plentiful on the  

Sebum – oily secretion from disintegration of sebaceous gland cells

                *The ______________nature helps destroy  

Sebum regulated by sex hormones called androgens

                *Acne results when  

• 1. Hair

Shaft –  

Root – part embedded in  

Follicle –______________with ______________ called papilla form follicle

Papilla- The covering for the  

Alopecia- Boldness- This occurs when hair of the scalp is  

Melanocytes- are found at the ______________ of the hair______________, combine various amounts of melanin compounds  

• 1. Nail

Nail root – composed of ______________stratified ______________epithelial  

Nail body sits on  

Nail bed- The area beneath the nail body.

Lunula – where nail ______________  ______________. This area is white because the

Pathology- The general ______________ and ______________ of the skin are clinically important because they may provide

                *Pale skin may indicate

*Red, flushed, and very warm skin may indicate

*Rash may indicate

*Chewed fingernails may indicate    

Primary skin lesion – ______________ reaction to pathologically altered tissue – flat or elevated

Secondary skin lesion – ______________ in the primary lesion due to  

Burns can be local or systemic, where they can be life threatening.

Figure 5-3 describes various lesions.

First degree – epidermis is damaged

Local Burns-  

Second degree - ______________ and part of ______________ are damaged

Third degree – ______________, ______________destroyed, some of  

Systemic effect- A process when ______________ cells ______    ________from the malignant tumor and ______________to another region of the body and   

See page 85, The Rule Of Nines

Neoplasms – abnormal growths of  

Benign neoplasms –  

Malignant neoplasms –  

Metastasis- A process when malignant cells break loose from the malignant tumor and travel to

Biotherapy (Immunotherapy)- Treatment in which the body’s

Basal Carcinoma- ______________   ______________type of skin cancer and is a malignancy of the statum germinativum,  

Squamous cell carcinoma- Forms an epidermal cells  

                *In situ (confined to the  

                *______________ (______________to the other parts of the body)

Malignant Melanoma- Neoplasm composed of abnormal melanocytes that begin as darkly pigmented moles.

                *Relatively ______________, but is ______________ at alarming rates. This will commonly metastasize extensively to the