If such is the case, it would suggest that the strength of electrical synapse (size and brightness of punctum) may be dependent on the proper composition and function of the gap junction channels formed between AVB and B motor neurons; little is known about what factors may regulate the size or positioning (cell soma or cell process) of gap junction plaques. (neuraldevelopment.biomedcentral.com)
Unlike the more conspicuous perforations in Niven's Assassination Attempt, Wachs» Gin on the Rocks evokes the unexpected sharpness of Barthian punctum. (belkin.ubc.ca)
The being's chin is precariously hinged upon a glass plate and its toes hover above the ground, but its uncannily creepy punctum is a finger that irregularly quivers just as viewers consider whether the creature is animate. (tmagazine.blogs.nytimes.com)