Coaching is training or development in which a person called a coach supports a learner in achieving a specific personal or professional goal. The learner is sometimes called a coachee.
From Wikipedia: Tetralogy of Fallot (TOF) is a congenital heart defect which is classically understood to involve four anatomical abnormalities (although only three of them are always present). It is the most common cyanotic heart defect, representing 55-70%, and the most common cause of blue baby syndrome..
Arachnoid cysts are the most common type of brain cyst. They are congenital lesions that occur as a result of the splitting of the arachnoid membrane.The cysts are fluid-filled sacs, not tumors, appearing in one of the three layers of tissue covering the central nervous system.rachnoid cysts are the most common type of brain cyst. They are congenital lesions that occur as a result of the splitting of the arachnoid membrane.