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Congenital amputation is birth without a limb or limbs, or without a part of a limb or limbs.. It is known to be caused by blood clots forming in the fetus while in utero (vascular insult) and from amniotic band syndrome: fibrous bands of the amnion that constrict fetal limbs to such an extent that they fail to form or actually fall off due to missing blood supply.
Transverse hemimelia is a congenital absence of part or all of a limb (including hand or foot) and is called amelia when the entire limb is missing. [2] [4] Paraxial hemimelia means partial absence of one of the elements of the limb in the longitudinal axis (in phocomelia there is no complete absence of a part of the limb). [2]
Amelia of the arms in a Hindu woman. Amelia may be present as an isolated defect, but it is often associated with major malformations in other organ systems. These frequently include cleft lip and/or palate, body wall defects, malformed head, and defects of the neural tube, kidneys, and diaphragm.
Congenital limb deformities are congenital musculoskeletal disorders which primarily affect the upper and lower limbs. An example is polydactyly , where a foot or hand has more than 5 digits. Clubfoot , one of the most common congenital deformities of the lower limbs, occurs approximately 1 in 1000 births.
Fibular hemimelia or longitudinal fibular deficiency is "the congenital absence of the fibula and it is the most common congenital absence of long bone of the extremities." [1] [2] It is the shortening of the fibula at birth, or the complete lack thereof. Fibular hemimelia often causes severe knee instability due to deficiencies of the ligaments.
Constriction ring syndrome (CRS) is a congenital disorder with unknown cause. Because of the unknown cause there are many different, and sometimes incorrect, names. It is a malformation due to intrauterine bands or rings that produce deep grooves in (most commonly distal) extremities such as fingers and toes.
All three say it’s maddening being forced to repeatedly prove why they need the parts and spare prosthetics to live with comfort and mobility.
Dysmelia (from the Greek dys (δυσ-), "bad" + mélos (μέλος), "limb" + English suffix -ia) is a congenital disorder of a limb resulting from a disturbance in embryonic development. [ 1 ] Types