A chemical messenger is any compound that serves to transmit a message. A chemical messenger may refer to: 1  Hormone, Long range chemical messenger. 2  Neurotransmitter, communicates to adjacent cells.3  Neuropeptide, a protein sequence which acts as a hormone or neurotransmitter. chemical messenger may refer to: 1  Hormone, Long range chemical messenger. 2  Neurotransmitter, communicates to adjacent cells. 3  Neuropeptide, a protein sequence which acts as a hormone or neurotransmitter.
A full vaginoplasty procedure takes about one to two hours. The surgery usually involves either pulling the pelvic floor muscles closer together, removing any loose excess skin and scar tissue, or a combination of the two.
A minimally invasive technique, video-assisted thoracoscopic surgery (VATS) can be used to biopsy lung and mediastinal lesions. VATS may be performed on selected patients in place of open lung biopsy. While the patient is under general anesthetia, the surgeon makes several small incisions in the his or her chest wall.