From the NationalMarfanFoundation factsheet:
The Marfan syndrome is a heritable disorder of the connective tissue that affects many organ systems, including the skeleton, lungs, 㱥ⴡ扢ⴠ㸭搼癩挠慬獳✽硥浟楡彮楬歮❳㰾ⴡ乃瑓瑡敢楧ⴭਾ猼牣灩⁴祴数∽整瑸樯癡獡牣灩≴ਾ湣摳搽捯浵湥㭴湣瑳攽捳灡⡥湣摳琮瑩敬㬩挊獮㵬湣摳氮捯瑡潩⭮✧湣汳挽獮敲汰捡⡥栯瑴㩰⽜⽜术✬楳整✺㬩挊獮㵲湣摳爮晥牥敲⭲✧湣牳挽獮敲汰捡⡥栯瑴㩰⽜⽜术✬楳整✺㬩挊獮㵴湣瑳爮灥慬散⼨⭜术✬㈥❂㬩湣慳渽癡杩瑡牯愮灰慎敭湣湳⠽湣慳献扵瑳楲杮〨㈬㴩✽楍⤧〿ㄺ挻獮㵳捳敲湥挻獮硰⠽湣湳㴽⤰挿獮潣潬䑲灥桴挺獮楰數䑬灥桴潤畣敭瑮眮楲整✨椼杭猠捲∽瑨灴⼺眯睷ㄮ㌲慣瑲畯档潣⽭振獮慴獴振瑮札晩砱⸱桰㽰㵥⬧湣獳眮摩桴✫✮挫獮敨杩瑨✫搦✽挫獮硰✫爦✽攫捳灡⡥湣牳⬩☧㵰⬧獥慣数挨獮⥬✫琦✽挫獮∧眠摩桴∽∱栠楥桧㵴ㄢ•潢摲牥∽∰✾㬩㰊猯牣灩㹴渼獯牣灩㹴椼杭猠捲∽瑨灴⼺眯睷ㄮ㌲慣瑲畯档潣⽭振獮慴獴振瑮札晩砱⸱桰㽰㘴☸㵣∰眠摩桴∽∱栠楥桧㵴ㄢ•潢摲牥∽∰愠瑬∽㸢⼼潮捳楲瑰ਾℼⴭ䌠华慴獴攠摮ⴠ㸭⼼楤㹶ℼⴭ戠潣敤ⴠ㸭ℼⴭ汭挭摯ⵥ㸭ℼⴭ灳挭摯ⵥ㸭ℼⴭ档捥潣敤ⴭ㰾ⴡ戯ⴭ㰾⁰汣獡㵳渢癡慢≲㰾牨晥∽瑨灴⼺眯睷洮牡慦汮晩牯≧䴾牡慦楌敦䠠浯㱥愯‾⁼愼栠敲㵦栢瑴㩰⼯睷慭晲湡楬敦漮杲瀯捩畴敲⽳楰瑣牵獥昭潲桴ⵥ慭晲湡挭浯畭楮祴栮浴≬倾捩畴敲湩敤㱸愯‾戼㸯愼栠敲㵦栢瑴㩰⼯睷慭晲湡楬敦漮杲瀯捩畴敲⽳楰獣⸱瑨汭㸢慐敧ㄠ⼼㹡簠㰠牨晥∽瑨灴⼺眯睷洮牡慦汮晩牯⽧楰瑣牵獥瀯捩㉳栮浴≬倾条㰲愯‾⁼愼栠敲㵦栢瑴㩰⼯睷慭晲湡楬敦漮杲瀯捩畴敲⽳楰獣⸳瑨汭㸢慐敧㌠⼼㹡簠㰠牨晥∽瑨灴⼺眯睷洮牡慦汮晩牯⽧楰瑣牵獥瀯捩㑳栮浴≬倾条㰴愯‾⁼愼栠敲㵦栢瑴㩰⼯睷慭晲湡楬敦漮杲瀯捩畴敲⽳楰獣⸵瑨汭㸢慐敧㔠⼼㹡㰠牢⼠ാ㰊牨晥∽瑨灴⼺眯睷洮牡慦汮晩牯⽧楰瑣牵獥瀯捩㙳栮浴≬倾条㰶愯‾⁼愼栠敲㵦栢瑴㩰⼯睷慭晲湡楬敦漮杲瀯捩畴敲⽳楰獣⸷瑨汭㸢慐敧㜠⼼㹡簠㰠牨晥∽瑨灴⼺眯睷洮牡慦汮晩牯⽧楰瑣牵獥瀯捩㡳栮浴≬倾条㰸愯‾⁼愼栠敲㵦栢瑴㩰⼯睷慭晲湡楬敦漮杲瀯捩畴敲⽳楰獣⸹瑨汭㸢慐敧㤠⼼㹡簠㰠牨晥∽瑨灴⼺眯睷洮牡慦汮晩牯⽧楰瑣牵獥瀯捩ㅳ⸰瑨汭㸢慐敧ㄠ㰰愯‾⁼愼栠敲㵦栢瑴㩰⼯睷慭晲湡楬敦漮杲瀯捩畴敲⽳楰獣〱栮浴≬倾条ㄱ⼼㹡††t the Marfan syndrome
- Search MedLine for abstracts of articles in the medical literature
(Use the term Marfan to search) 
Your Genes Your Health Video clips about the syndrome from the DNA Learning Center, Cold Spring Harbor Laboratory - What is the Marfan syndrome? a visual tour from the Children's Heart Institute
- Marfan syndrome from the National Center for Biotechnology Information
- Marfan syndrome from the Online Mendelian Inheritance of Man (OMIM) database
- Marfan syndrome information from the American Heart Association
- Pediatricians' Health Supervision for Children with the Marfan Syndrome from the American Academy of Pediatrics
- Medscape articles on the Marfan syndrome
- Marfan syndrome from Genetic Drift
- The revised diagnostic criteria for the Marfan syndrome (1996)