[ **up: [[Animals]] | [[Mammals]] | [[Rodents]] | [[Muridae (Family)]]** ] --- # Rats | *Rattus* (Genus) > Rattus is a genus of muroid rodents, all typically called rats. However, the term rat can also be applied to rodent species outside of this genus.[^1] --- ## Taxonomy --- ## Reproduction ### Pheromones #### Lordosis behaviour [[2025-0321. 'Moss and Dudley suggest that a fraction of the GnRH molecule functions directly as a neurotransmitter in rats to elicit a behavioral effect (i.e., lordosis).'|'Moss and Dudley suggest that a fraction of the GnRH molecule functions directly as a neurotransmitter in rats to elicit a behavioral effect (i.e., lordosis). This behavioral effect is characteristic of a “signal” pheromone, which activates a response.’]][^2] [^1]: ‘Rattus’, *Wikipedia*, updated 17 February 2025, https://en.wikipedia.org/wiki/Rattus. [^2]: James Kohl, et al., ‘[[Kohl, et al. ‘Human Pheromones_ Integrating Neuroendrocrinology and Ethology’, 2001.|Human Pheromones: Integrating Neuroendrocrinology and Ethology]]’, *Neuroendrocrinology Letters* 22 (November 2001), p. 312.