Occurring or tending to occur among members of a family, usually by heredity: familial traits; familial disease. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "familial" in a sentence
"The risk of gastrointestinal carcinoma in familial juvenile polyposis."
"Correction of hemodynamic abnormalities by vesicoamniotic shunting in familial congenital megacystis."
"Nestorowicz A, Glaser B, Wilson BA, Shyng SL, Nichols CG, Stanley CA, et al. Genetic heterogeneity in familial hyperinsulinism [published erratum appears in Hum Mol Genet 1998 Sep; 7 (9): 1527]."