Between 10% to 20% of heavy drinkers will develop cirrhosis of the liver (NIAAA, 1993). Acetaldehyde may be responsible for alcohol-induced fibrosis by stimulating collagen deposition by hepatic stellate cells.
Houseflies pass through four distinct stages: egg, larva, pupa and adult. The life expectancy of a housefly is generally 15 to 30 days and depends upon temperature and living conditions. Flies dwelling in warm homes and laboratories develop faster and live longer than their counterparts in the wild.
These are the four distinct stages in an average house fly's life: 1  Egg: Depending on the size of a female house fly, she can lay up to 500 eggs in a three to four day period.2  Eggs are white in color and are usually less than half and inch in size.3  Larvae: Larvae are commonly referred to as maggots. This process take about three to six days and is where the maggot encases inself in a reddish-brown skin where the final stages of development take place. 2  Adult: Once the adult house fly hatches from the pupal stage, it has an approximate life span of 15 to 30 days.