Aging of the human skin Enlarged version The formation of lines and wrinkles in light-exposed areas throughout the body‚ such as on the face‚ throat‚ décolleté and hands is a well-known sign of skin aging. Lines and wrinkles are influenced by both intrinsic and extrinsic factors. The numerous intrinsic factors are age‚ gender‚ genetic disposition and race. In exposed and unprotected zones of the body such as on the skin of the hands and the face‚ extrinsic factors such as UV light‚ weather
Premium Skin
not dangerous‚ but can leave skin scars. Human skin has pores (tiny holes) which connect to oil glands located under the skin. The glands are connected to the pores via follicles - small canals. These glands produce Sebum‚ an oily liquid. The sebum carries dead skin cells through the follicles to the surface of the skin. A small hair grows through the follicle out of the skin. Pimples grow when these follicles get blocked‚ resulting in an accumulation of oil under the skin. n humans‚ pimples tend to
Premium Skin
beings distinguished by a) physical traits such as hair‚ eyes‚ skin color‚ body shape‚ etc.: traditionally‚ the three primary divisions are Caucasoid‚ Negroid‚ and Mongoloid‚ and the many subdivisions are called races‚ b) blood types‚ c) genetic code patterns‚ d) all their inherited characteristics which are unique to their isolated breeding population. When someone hears the word ‘race’‚ they usually just think of the color of someone’s skin; but race is so much more than that. Your race defines not
Premium Ethnic groups in Europe Human Race
focused on the potential causes and the risk factors associated with melanoma skin cancer. Melanoma is a type of cancer or tumor that begins as a dark spot or area on the skin. The tumor containing dark pigment‚ which is very serious and dangerous disorder. It is also tending or likely to grow and spread in a rapid and uncontrolled way that can cause death. Moreover‚ melanoma skin cancer takes the highest risk between all other skin cancers‚ and increasing at one of the highest rate of any other form of
Premium Cancer Sunscreen Ultraviolet
1.1 The skin is the largest organ of the body and it acts as a waterproof protector for all the internal organs and it consist of four distinct layers: The epidermis‚ the basement membrane zone‚ the dermis and the subcutaneous layer. The epidermis which is the outer layer and is a protective multi-layered self-renewing structure which varies in thickness depending on which part of the body it covers. The dermis is underneath the epidermis‚ this is a layer of connective tissue which provides the
Premium Bedsore Skin
Acne Skin Disease Medical Terminology Professor Tanious March 31‚ 2013 The skin disease that I had determined that I would be using is the acne skin disease because I believe that it is most common in many people‚ and that everyone goes through it. Furthermore I had chosen acne because it is like dermatitis. Something that I’ve recently found out is that acne is a common human skin disease. In addition many people say that acne comes from stress but no‚ acne is something that
Premium Skin Acne vulgaris Testosterone
Café au lait spots and hemangiomas would be seen in newborns. Precancerous keratotic lesion.A raised‚ rough plaque of red-tan pigmentation with a silver-white scale Lichenification is caused by prolonged intense scratching eventually thickening the skin and producing tightly packed sets of papules; this looks like surface of moss (or lichen). Keratoses .lesions that are raised‚ thickened areas of pigmentation that look crusted‚ scaly‚ and warty. seborrheic keratosis‚ looks dark‚ greasy‚ and “stuck
Premium Skin
The Glass Castle Section 1: A woman on the street Quote 1: “’You want to help me change my life?’ Mom asked. ‘I’m fine. You’re the one who needs help. Your values are all confused’” (Walls 5). I think that this quote is significant because it shows how different Jeannette’s views on life and her mother’s views on life are. Throughout the novel Jeannette is always trying to help her parents‚ but what she does not notice is that they are happy the way that they are. They enjoy the way that they
Premium Mother Struggle Father
Last week in class we read the Glass Castle by Jeannette Walls. The book showed what’s it’s like to overcome adversity at anytime even when times are bad Jeannette Walls overcame her father’s alcoholism and her mother’s psychoness. The family was also going through a financial crisis so with the weight of everything on her she had to get over so much for her to be able to succeed in her later life. Jeanette was a very strong and determined person and she didn’t allow herself to use the homelessness
Premium Family Parent Mother
Kayli Jade Gertsen Skin Evolution Essay Human skin pigmentation is the product of two clines produced by natural selection to adjust levels of constitutive pigmentation to levels of UV radiation (UVR). One cline was generated by high UVR near the equator and led to the evolution of dark‚ photo protective‚ melanin-rich pigmentation. The other was produced by the requirement for UVB photons to sustain cutaneous photosynthesis of vitamin D3 in low-UVB environments‚ and resulted in the evolution of
Premium Human skin color Ultraviolet Natural selection