Transcript Corns/Calluses - mechalskesbiology

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A corn is thickened skin on the top or side of
a toe
It is not a serious condition
They form to protect the skin
There are two types- hard and soft
The type is determined by the inner core,
which can be soft or hard, and by location
A soft corn is found between toes
A soft corn is often found over a bony part
of a toe
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Usually on the fifth
toe
It is not easy to
identify by
appearance
Are rough to touch
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Usually on the fourth
and fifth toes
Is easy to press in
when touched
Can also be found
between the toes
A hard corn is firm and thick and may
have a soft yellow ring with a gray
center
 A soft corn looks like an open sore
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Pressure or friction on the skin
 Tight shoes squeeze the foot
 Wearing shoes without socks can lead to
increased friction
 The foot may rub up against a seam or
stitch inside the shoe
 Socks that don’t fit may result in pressure
where the sock bunches up
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Thickened skin on your hands or the soles
of your feet
 Can form on the knees or elbows
 On the hands, they generally form at the
base of fingers
 On the feet, generally form on the ball of
the foot, the heel, and the underside of
the big toe
 They form to protect the skin
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Skin may be thick and hardened
 Skin may be flaky and dry
 May appear grayish or yellowish
 May feel bumpy
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The repeated handling of tools cause
calluses on the hand
 Walking barefoot
 May be caused on the feet by repeated
pressure due to sports
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The callus or corn may be softened and
removed by using salicylic acid
 These treatments are available in
applicators, pads, drops and plasters
 This treatment can’t be used by people
with diabetes
 Other treatments include wearing gloves
or special pads on the feet to keep
pressure away
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"Calluses and Corns Causes and Treatments." WebMD.
Web. 13 Feb. 2012. <http://www.webmd.com/skinproblems-and-treatments/tc/calluses-and-corns-topicoverview?page=2>.
 "Corns Symptoms, Causes, Treatment - How Can Corns
and Calluses Be Prevented? on MedicineNet." Corns,
Symptoms and Causes. Web. 13 Feb. 2012.
<http://www.medicinenet.com/corns/page2.htm>.
 "Corns and Calluses: MedlinePlus Medical
Encyclopedia." National Library of Medicine. Web. 13
Feb. 2012.
<http://www.nlm.nih.gov/medlineplus/ency/article/001
232.htm>.
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