paragraph on ' if i had four arms'
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Answer:
Polymelia is a birth defect in which an affected individual has more than the usual number of limbs. It is a type of dysmelia. In humans and most land-dwelling animals, this means having five or more limbs. The extra limb is most commonly shrunken and/or deformed. The term is from Greek πολυ- "many", μέλεα "limbs".
Polymelia
Other names
Hydra syndrome
Radiograph of a child with polymelia.jpg
Radiograph of a human child with polymelia
Specialty
Medical genetics
Sometimes an embryo started as conjoined twins, but one twin degenerated completely except for one or more limbs, which end up attached to the other twin.
Sometimes small extra legs between the normal legs are caused by the body axis forking in the dipygus condition.
Notomelia (from Greek for "back-limb-condition") is polymelia where the extra limb is rooted along or near the midline of the back.[1]. Notomelia has been reported in Angus cattle often enough to be of concern to farmers.[2]
Cephalomelia (from Greek for "head-limb-condition") is polymelia where the extra limb is rooted on the head.[3]
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