Involved in neural development, regulating the establishment of proper connectivity within the nervous system. Acts as a homophilic and heterophilic synaptic cell adhesion molecule that drives synapse assembly. Promotes bi-directional trans-synaptic signaling with ten-m to organize neuromuscular synapses. Homodimer. Heterodimer with Ten-m; the interaction occurs at the neuromuscular junction. Localizes in the cell body and axon of neuronal cells. Localizes at neuromuscular junction. Expressed in the developing antennal lobe. Expressed in subset of matching olfactory receptor neurons (ORN) and projection neurons (PN) in select glomeruli between 12 to 48 hours after puparium formation (apf) (at protein level). Belongs to the tenascin family. Teneurin subfamily.