Pediatrics is also a three year residency program leading to Board Certification in Pediatrics. While there is no Med-Peds board, once a physician successfully completes a four year Med-Peds residency program they are eligible to complete the board certification exams in both Internal Medicine and Pediatrics.
Definition of bundle for English Language Learners. : 1  a group of things that are fastened, tied, or wrapped together. : 2  a group of things that are together or are associated with each other in some way. : 3  a person who has a lot of some quality or who is known for a particular kind of behavior.
The term is sometimes used specifically to denote only the trunk of the bundle. Bundle of His considered as the trunk of the bundle and excluding the bundle branches. medial forebrain bundle a group of nerve fibers containing the midbrain tegmentum and elements of the limbic system. Thorel's bundle a bundle of muscle fibers in the human heart connecting the sinoatrial and atrioventricular nodes.