Dictionary entry overview: What does spiny lizard mean? â¢ SPINY LIZARD (noun) The noun SPINY LIZARD has 2 senses: 1. desert lizard that feeds on ants 2. any of numerous lizards with overlapping ridged pointed scales; of North America and Central America Familiarity information: SPINY LIZARD used as a noun is rare.
Microtia is often accompanied by Atresia. Atresia (also known as aural atresia) is the absence or closure of the external auditory ear canal. The malformation of the middle ear bones (incus, stapes, and malleus) may be affected including the narrowing of the ear canal, known as canal stenosis. Atresia is Latin for absence of an opening.
The causes of biliary atresia are not well understood. Congenital biliary atresia has been associated with certain genes, while acquired biliary atresia is thought to be a result of an autoimmune inflammatory response, possibly due to a viral infection of the liver soon after birth.