s]
| 1. | a means of connection; tie; link. |
| 2. | a connected series or group. |
| 3. | the core or center, as of a matter or situation. |
| 4. | Cell Biology. a specialized area of the cell membrane involved in intercellular communication and adhesion. |

nexus nex·us (něk'səs)
n. pl. nexus or nex·us·es
See gap junction.