EXPLANATION OF THE CODE INTERPRETING RECORDED 

 DATA IN THE COLUMNS OF THE CATALOG 



COLUMN 



GM #: The GM number of the cell culture, refers to the number 

 assigned to the culture when it was received at the Human 

 Genetic Mutant Cell Repository. Fibroblast cultures are all 

 originated from skin unless noted in the Remarks column. 

 Lymphocyte cultures are all established from peripheral blood. 

 McKusick's number is inserted following the name of each disease.* 



Passage # : The number of serial in vitro transfers of the cell 

 culture as stored in liquid nitrogen. 



Culture Medium : For code see appendix A, page 131. 



Submitter Code : A number" which identifies the investigator 

 who submitted the biopsy or culture to the Repository. For 

 code see appendix B, page 133. 



Age : Age of the donor is expressed in years, or when appropri- 

 ate in months (mo.), weeks (wk.) or days (da.). F indicates 

 fetus . 



Sex : M or F 



Race: W-Caucasian; B-black; 0-Oriental ; I-Indian (India); 

 P-Puerto Rican. Space left empty if race unknown. 



*McKusick, Victor. Mendelian Inheritance in Man 4th Edition. 

 John's Hopkins Press, Baltimore, London. 1975. 



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