heart·string 
(härtstrĭng′)
(härtstrĭng′)n.
1. heartstrings The deepest feelings or affections: a tug at the heartstrings.
2. One of the nerves or tendons formerly believed to brace and sustain the heart.
- brachiate
- brachiation
- brachiocephalic
- brachiocephalic artery
- brachiocephalic vein
- brachiopod
- brachiosaur
- brachiosaurid
- brachiosaurus
- brachium
- brachy-
- brachycephalic
- brachycephalism
- brachycephalous
- brachycephaly
- brachydactylia
- brachydactylic
- brachydactylous
- brachydactyly
- brachylogy
- brachypterism
- brachypterous
- brachytherapy
- brachyuran
- brachyurous