Vesicle found in the cytoplasm that helps detoxify substances, such as alcohol and hydrogen peroxide, that are produced by the cell.
Permeability of Capillaries
The property of the capillary wall that determines the movement of substances in and out.
Permanent Cells
Cells that cannot divide and the injured and dead cells are replaced by fibrous tissue/scar formation.
Peritoneum
The sac, made up of mesothelium and thin layers of connective tissue, that lines the abdominal cavity and covers most of the abdominal viscera.
Peritoneal Fluid
The fluid secreted by the peritoneum.
Peristalsis
The special movement of tubular structures, such as the intestine, that results in alternate contraction and relaxation of the smooth muscles, propelling the contents distally.
Peripheral Protein
Protein in cell wall that is integrated into the wall with part of the protein molecule projecting inro or out of the cell.
Peripheral Nervous System (PNS)
Part of the nervous system outside the brain and spinal cord.