lobe of prostate prostate gland anterior lobe isthmus of prostate gland prostatic isthmus anterior prostate gland BTO:0003158 TODO - check - see comments from http://www.ncbi.nlm.nih.gov/pubmed/15163300 anterior lobe of prostate isthmus of prostate UBERON:0001329 anterior prostate FMA:19574 commissura prostatae isthmus prostatae consider splitting and having distinct classes for mouse coagulating gland and human anterior prostate. See https://github.com/obophenotype/uberon/issues/665 anterior lobe of prostate gland commissure of prostate SCTID:279693009 MA:0002422 prostate gland anterior lobe posterior lobe of prostate