adjective. Relating to or based on relationship to the father or descent through the male line: in Polynesia inheritance of land was predominantly patrilineal. More example sentences. 1  Polygyny is prevalent and even in groups without traditional patrilineal descent, Islam has strengthened male control of women.elating to or based on relationship to the father or descent through the male line: in Polynesia inheritance of land was predominantly patrilineal.
The cell nucleus is a membrane bound structure that contains the cell's hereditary information and controls the cell's growth and reproduction. It is the command center of a eukaryotic cell and is commonly the most prominent organelle in a cell.
The inner core (nucleus pulposus) contains a loose network of fibers suspended in a mucoprotein gel. The annular fibers hydraulically seal the gelatinous nucleus and evenly distribute pressure and force imposed on the structure. The outer portion and inner core of the spinal disc fit together like two concentric cylinders. The outer portion of the disc has cartilagenous end-plates that firmly attach the disc to the vertebrae above and below. At birth, approximately 80 percent of the disc is composed of water.