synapsed

As a verb synapsed

is past tense of synapse.

As an adjective synapsid is

pertaining to the class Synapsida, of animals which have an opening low in the skull roof behind each eye, leaving a bony arch beneath each.

As a noun synapsid is

any animal (including all mammals) of the class Synapsida.

As verbs the difference between synapses and synapsed

is that synapses is (synapse) while synapsed is (synapse).

As a noun synapses

is .

As verbs the difference between synapse and synapsed

is that synapse is to form a synapse while synapsed is past tense of synapse.

As a noun synapse

is the junction between the terminal of a neuron and either another neuron or a muscle or gland cell, over which nerve impulses pass.