### imperfection | defect:

Birthmark
* Learn about birthmarks.
* Many birthmarks resolve spontaneously by the time a child is school age, but some are permanent.
* Some birthmarks appear in the first few weeks of life.
* appear on many babies.
* are blemishs
  - characterization
  - colored skin spots that either are present at birth or develop shortly after birth
  - due to genetic causes
* can occur anywhere on the body, especially on the face and neck.
* consist of various types of tissues which appear in the skin and are therefore visible.
* even grow inside the body.
* often correspond to gunshot wounds, or wounds inflicted by other weapons.

### imperfection | defect | birthmark:

Red birthmark
* are a vascular type of birthmark.
* can range from tiny, pink dots to large, deep-red marks.

Vascular birthmark
* Most vascular birthmarks disappear without treatment or can be treated effectively.
* are also due to dilated blood vessels that are very closely clustered together.

### imperfection | defect:

Blackhead
* appear as tiny black dots on the face that are very difficult to see
  - when sebum mixes with skin pigments in plugged pores
* are a reflection upon one's personal cleanliness, therefore bathe the whole body often
  - also keratin plugs in the gland opening but the gland remains open to the outside
  - blemishs
  - caused due to various reasons like oil deposits, unclean skin surface and pollutions
  - collections of oil and debris that clog pores
* are open and in dark color
  - comedones
  - part of skin
  - pores that become clogged due to excess oils
* are the plugs found in blocked-off oil glands
  - primary lesions in acne
  - simplest of acne lesions
* can be a problem from puberty until early adulthood for many individuals.
* form and create a blockage at the mouth of the follicle
  - when oil, makeup, and dirt get trapped in large pores
* form when sebum combines with skin pigments and plugs the pores
  - pigments to clog pores

Chromosomal defect
* Most chromosomal defects occur during meiosis.
* increase with increasing maternal age.

Common wart
* appear as exophytic, hyperkeratotic papules with a rough surface.
* are clusters of effected cells
  - warts
* can spread to other body areas if they are picked, trimmed, bitten, or touched.
* cause no discomfort unless they are in areas of repeated trauma.
* have a characteristic appearance under the microscope.
* occur in people of all ages
  - on the fingers, back of hands, arms, top of feet and other areas of the body
* vary in color from normal flesh tint to dark brown-black.

### imperfection | defect | congenital abnormality:

Amelia
* are birth defects.
* congenital abnormality

Cleft lip
* is an incomplete joining of the upper lip
  - usually less serious than cleft palate
* separation in the upper lip.

### imperfection | defect | congenital abnormality:

Cleft palate
* Most cleft palates are assumed to be genetic unless other causative factors are found.
* allows food to get into the nose, and it causes difficulty in chewing and swallowing.
* can occur alone without cleft lip or in association with cleft lip.
* common abnormality seen in newborn cats, dogs and other species.
* is an abnormal passageway through the roof of the mouth into the airway of the nose.
* is an opening in the roof of the mouth either at the midline or on one or both sides
  - twice as common as cleft lip with or without cleft palate
* occurs in some individuals
  - when there is an opening in the roof of the mouth
* separation in the roof of the mouth.
* split or opening in the roof of the mouth.