Understanding Albinism. Learning and Teaching.Lesson One abstract
UNDERSTANDING ALBINISM
Learning and Teaching
The word ALBINISM describes a condition that sometimes is present at birth in humans and animals.
Humans and animals have ALBINISM when they haven’ t the usual amount of pigment or color in the skin, in the eyes and in the hair, fur or feather.
The PLANTS can have albinism too.
This happens when they haven’t the usual amount of pigment or color in the stems and leaves and/or petals
In Italy on 60.626.442 about 3900 people have one of the types of albinism.
OCA1 is the most common type of albinism
There isn’t statistics on incidence of Albinism in Africa
OCA1 is the most common type of albinism
There isn’t statistics on incidence of Albinism in Africa
MELANIN is a compound that colors our skin, hair and eyes.
There are two types of melanin
black-brown melanin (eumelanin), red-blond melanin (pheomelanin).
Eumelanin and pheomelanin are present in different amount and different mixture in three different ethnic groups (black, yellow, white)
When there is the usual amount of melanin, the skin, hair and eyes of a person that belongs to the black ethnic group are dark, black.
When there isn’t the usual amount of melanin, the skin, hair and eyes of a person that belongs to black ethnic group are pale.
This person HAS ALBINISM.
The melaninWhen there isn’t the usual amount of melanin, the skin, hair and eyes of a person that belongs to black ethnic group are pale.
This person HAS ALBINISM.
There are two form of Albinism: Oculocutaneous (OCA) and Ocular (OA)
ALBINISM OCULOCUTANEOUS when there is little or no melanin in the skin, hair and eyes.
ALBINISM OCULAR when there is little or no melanin in the eyes alone
Oculocutaneous Albinism (OCA) includes four types.
Ocular Albinism (OA) includes one type.
ALBINISM OCULOCUTANEOUS when there is little or no melanin in the skin, hair and eyes.
ALBINISM OCULAR when there is little or no melanin in the eyes alone
Oculocutaneous Albinism (OCA) includes four types.
Ocular Albinism (OA) includes one type.
The melanocyte produces the melanin.
The MELANOCYTE is a cell with a number of dendritic processes.
The melanocytes are found in the skin, in the hair and in the eyes.
The melanocytes are found in the skin, in the hair and in the eyes.
• colors the skin, the hair and the eyes;
• protects the skin from sun damage;
• does develope and work well the eyes.
• The skin develops well and works well, but it’s pale and hasn’t protection from sun damage.
• The hair develops well, but it’s pale.
• The eyes are pale and sensitive to light, doesn’t develop well and doesn’t work well.
• The hair develops well, but it’s pale.
• The eyes are pale and sensitive to light, doesn’t develop well and doesn’t work well.
IMAGES:
- Uganda Albino’s Association e SKGF
- Uganda Albino’s Association e SKGF
PRESENTATION AND TEXT:
- R. Pellegrino, redazione Albinismo News
EDITING:
- Elio Giacone
CREATIVE COMMONS LICENSE 3.0
(Attribution (by)- Noncommercial (nc) - No Derivative Works (nd)
“by Albinismo News – www.albinismo.it” )
- R. Pellegrino, redazione Albinismo News
EDITING:
- Elio Giacone
CREATIVE COMMONS LICENSE 3.0
(Attribution (by)- Noncommercial (nc) - No Derivative Works (nd)
“by Albinismo News – www.albinismo.it” )
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