DUPLICATION OF PARTS Flashcards
1
Q
often hereditary conditions
A
Duplication of Parts
2
Q
what are the examples of duplication of parts?
A
Polydactyly
Polymetatarsia
Polytarsia
3
Q
- formation of extra digits/parts of digits
- more common in cultures with less genetic diversity (limited number of
people in the community with no outside marriages) - usually surgically corrected
- even for feet is a problem due to fit of shoes
- in upper limb, usually medial or lateral (pre-axial or post-axial)
- in lower limb, usually lateral (post-axial)
A
Polydactyly
4
Q
- formation of extra digits/parts of digits
- in upper limb, usually medial or lateral (pre-axial or post-axial)
- in lower limb, usually lateral (post-axial)
A
Polydactyly
5
Q
- formation of extra metatarsals
- often surgically corrected
A
Polymetatarsia
6
Q
- formation of extra tarsal bones
- maybe surgically corrected
A
Polytarsia
