part of part of bounding layer of bounding layer of perichondrium BTO:0005089 SCTID:11881003 UBERON:0002222 Wikipedia:Perichondrium Portion of connective tissue which surrounds cartilage.[TAO] cartilage connective tissue TAO:0001643 perichondral region of cartilage element Fibrous connective tissue that surrounds cartilage. EMAPA:35676 AAO:0010445 FMA:75446 ZFA:0001634 MA:0003008 XAO:0004049 VSAO:0000036 perichondral region of cartilage connective tissue cartilage element Christopher J. Mungall Wasila M Dahdul