atresia
dyspliasia
Anencephaly.
Athelia is the medical term meaning absence of nipples.
The medical term for the defective development or congenital absence of an organ or tissue is "agenesis."
Proximal femoral focal deficiency.
Hemiectromelia is congenital absence of a limb.
Means having been born w/o fingers, as a birth defect.
Agenesis is the medical term meaning absent development of an organ or tissue. Atresia is the medical term meaning congenital absence or development of a tube.
Spina Bifidait's spina bifida.
Congenital
Aplasia is the medical term meaning absence of development.
Asplenia is the medical term meaning absence of the spleen.
A congenital illness, dysfunction or abnormality means that one is born with it, not something that is developed later in life.