MedGen

An additional rib-like structure usually between two other ribs, not articulated with the vertebral column. (Makris S, Solomon HM, Clark R, Shiota K, Barbellion S, Buschmann J, Ema M, Fujiwara M, Grote K, Hazelden KP, Hew KW, Horimoto M, Ooshima Y, Parkinson M, Wise LD. Terminology of developmental abnormalities in common laboratory mammals (Version 2). Part B. Birth Defects Res B Dev Reprod Toxicol. 2009 Aug;86(4):227-327.) [from NCI]

An extra rib at the cervicothoracic border with the distal extremity rounded, length less than one third of the length of the ossified portion of the first thoracic rib and no costal cartilage distal. (Makris S, Solomon HM, Clark R, Shiota K, Barbellion S, Buschmann J, Ema M, Fujiwara M, Grote K, Hazelden KP, Hew KW, Horimoto M, Ooshima Y, Parkinson M, Wise LD. Terminology of developmental abnormalities in common laboratory mammals (Version 2). Part B. Birth Defects Res B Dev Reprod Toxicol. 2009 Aug;86(4):227-327.) [from NCI]

A change in the amino acid residue at position 362 in the macrophage colony-stimulating factor 1 receptor protein where histidine has been replaced by arginine. [from NCI]

A change in the amino acid residue at position 648 in the macrophage colony-stimulating factor 1 receptor protein where asparagine has been replaced by serine. [from NCI]

A change in the nucleotide sequence of the MRAS gene. [from NCI]

A change in the nucleotide sequence of the CSF1R gene. [from NCI]

A variation in the amino acid sequence for the macrophage colony-stimulating factor 1 receptor protein. [from NCI]

A nucleotide substitution at position 1085 of the coding sequence of the CSF1R gene where adenine has been mutated to guanine. [from NCI]

A molecular genetic abnormality indicating the presence of multiple copies of the CSF1R gene. [from NCI]