This form of cell signalling involves direct cell-cell contact. It relies upon membrane bound signal molecules and receptor proteins transferring, there is therefore no secreted molecules. Examples of molecules transferred includes growth hormones and cytokines.
- ↑ University of Kent. Study guide - Cellular communication. [No date]. [cited 6/12/17]. Available from: https://moodle.kent.ac.uk/external/mod/book/view.php?id=2396&amp;amp;chapterid=78
- ↑ 5MinuteSchool. Cell Signaling : Types - Juxtacrine, Paracrine, Synaptic, Endocrine Signalling Pathways. 2016. Cited [06/12/17]. Available from: https://youtu.be/N1XcAaF_83U?t=1m41s