
1) Spoon nail
Found on
https://www.crosswordclues.com/clue/koilonychia

Koilonychia (from the Greek: koilos-, hollow, onikh-, nail), also known as spoon nails,{rp|782} is a nail disease that can be a sign of hypochromic anemia, especially iron-deficiency anemia.{rp|656} ` It refers to abnormally thin nails (usually of the hand) which have lost their convexity, becoming flat or even concave in shape. In a sense, koilo....
Found on
http://en.wikipedia.org/wiki/Koilonychia

(koilo- + onyx nail + -ia) dystrophy of the fingernails, sometimes associated with iron deficiency anaemia, in which they are thin and concave, with the edges raises; called also spoon nail.
Found on
http://users.ugent.be/~rvdstich/eugloss/DIC/dictio49.html

<clinical sign> Dystrophy of the fingernails, sometimes associated with iron deficiency anaemia, in which they are thin and concave, with the edges raises. ... Synonym: spoon nail. ... (15 Nov 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

(koi″lo-nik´e-ә) dystrophy of the nails in which they are abnormally thin and concave from side to side, with the edges turned up; it is sometimes seen iniron deficiency anemia. Called also spoon nail.
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: koy′lō-nik′ē-ă Definitions: 1. A malformation of the nails in which the outer surface is concave; often associated with iron deficiency or softening by occupational contact with oils. Synonyms: spoon nail
Found on
http://www.medilexicon.com/medicaldictionary.php?t=47290

an abnormal condition in which the outer surfaces of the nails are concave; spoon nail.
Found on
https://www.infoplease.com/dictionary/koilonychia
No exact match found.