| Term | Definition |
| spectrin | connects actin fibers in cell cortex |
| fimbrin | cross links actin fibers in microvilli |
| myosin and calmodulin | two proteins that connect actin filaments to membrane |
| villin | actin filaments joined by this protein at tip of microvilli |
| actin | made of globular actin, becomes dimer, then trimer, then ... |
| nexin | always connects microtubule doubles in cilia, elastic |
| dynein | bonds to neighbor doublet microtubules in cilia to cause movement |
| tubulin | protein that makes up protofilaments (13 protos make microtubule) |
| claudins and occludens | two proteins that fuse adjacent membranes in zonula occludens |
| connexin | six of these units make connexon |
| integrin | binds cell membrane to linker protein in hemidesmosome |
| cadheren | binds cytoskeletons of neighboring cells across macula adherens |
| vinculin, talin, and alpha-actin | three linker proteins that bind actin filaments to cell membrane at zona adherens, or adhesion belt |
| desmoplakin and plakoglobin | proteins that make up attachment plaques at macula adherens |
| desmocolin and desmoglein | moieties of cadherens within intercellular space attaching two cells at macula adherens |