Helm·holtz 
(hĕlmhōlts′), Hermann Ludwig Ferdinand von 1821-1894.
(hĕlmhōlts′), Hermann Ludwig Ferdinand von 1821-1894. German physicist and physiologist who formulated the law of the conservation of energy (1847) and invented an ophthalmoscope (1851).
- 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