Demodex folliculorum..(warning: sort of parasite)
This topic was created in the Miscellaneous forum by xxixxi on Tuesday, February 18, 2014 and has 5 replies.
Life cycle
The entire life cycle of D. folliculorum takes places in the time span of 18???24 days on its host.[4] During the day, they feed on dead skin cells within hair follicles. At night, they emerge onto the surface to mate and lay eggs in hair follicles. Females have a ventral vulva anus opening, and males have a well-developed penis located between the first and second legs. A female adult lays 20???24 eggs in a single hair follicle, as they grow they become tightly packed, and develop into larvae.[4] The larva is then washed by a sebaceous flow, produced by the host??s sebaceous glands, into the mouth of the hair follicle where they mature into adults.[4] It takes seven days for the larva to develop into an adult that is ready to reproduce sexually.[9]
The entire life cycle of D. folliculorum takes places in the time span of 18???24 days on its host.[4] During the day, they feed on dead skin cells within hair follicles. At night, they emerge onto the surface to mate and lay eggs in hair follicles. Females have a ventral vulva anus opening, and males have a well-developed penis located between the first and second legs. A female adult lays 20???24 eggs in a single hair follicle, as they grow they become tightly packed, and develop into larvae.[4] The larva is then washed by a sebaceous flow, produced by the host??s sebaceous glands, into the mouth of the hair follicle where they mature into adults.[4] It takes seven days for the larva to develop into an adult that is ready to reproduce sexually.[9]
Whom it affects
Demodex mites are acquired shortly after birth and are considered to be normal skin fauna that increase in number as people age. Almost everyone has a certain degree of the Demodex mite on his or her skin.[10] Heavy infestations of Demodex can arrive in adolescence, and could last up to middle age. The increase of their food supply (sebaceous glands proliferate during puberty) explains the increase of infestations of mites during adolescence. Twenty-five percent of the people who are up to 20 years old have mites, and 30% of people up to the age of 50 have mites. Of people that are between 80 and 100 years old, between 50% and 100% have mites.[7] Hair follicles in all adults are infested, but the distribution of mites varies, which has a different impact on each person. Men are often more likely to be infested by mites than women because they have more sebaceous glands, thus producing more food for the mites.[8]
Demodex mites are acquired shortly after birth and are considered to be normal skin fauna that increase in number as people age. Almost everyone has a certain degree of the Demodex mite on his or her skin.[10] Heavy infestations of Demodex can arrive in adolescence, and could last up to middle age. The increase of their food supply (sebaceous glands proliferate during puberty) explains the increase of infestations of mites during adolescence. Twenty-five percent of the people who are up to 20 years old have mites, and 30% of people up to the age of 50 have mites. Of people that are between 80 and 100 years old, between 50% and 100% have mites.[7] Hair follicles in all adults are infested, but the distribution of mites varies, which has a different impact on each person. Men are often more likely to be infested by mites than women because they have more sebaceous glands, thus producing more food for the mites.[8]
so we kiss other person's cheeks or etc... we lick off these mites..?
interesting..lol
I don't mind some mites..lol
sometimes I wish I had eyes of a microscope so that I could peek into this microcosm world of germs, bacteria and such..
maybe not good for mental health (lol.. I see germs, bacteria everywhere?! -where, before, I was unable to see any? lol)..but should be interesting for a while..
if you have any microscopic pics of parasites, germs, or those kinds..please share on this thread..?
interesting..lol
I don't mind some mites..lol
sometimes I wish I had eyes of a microscope so that I could peek into this microcosm world of germs, bacteria and such..
maybe not good for mental health (lol.. I see germs, bacteria everywhere?! -where, before, I was unable to see any? lol)..but should be interesting for a while.. if you have any microscopic pics of parasites, germs, or those kinds..please share on this thread..?
Posted by Prince_Pisces
Ew.
no pics??
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