<unk> , also known as mammalian<unk>  (Greek<unk> , from lordos "bent backward") or presenting, is the naturally occurring body posture for sexual receptivity to copulation present in most mammals including rodents, elephants, and cats. The primary characteristics of the<unk>  are a lowering of the forelimbs but with the rear limbs extended and hips raised, ventral arching of the spine and a raising, or sideward displacement, of the tail. During<unk> , the spine curves dorsoventrally so that its apex points towards the abdomen.
Lordosis behavior
Unhappy triad
Zeism
Compulsive hoarding
Pectoriloquy
Tourettism
Agraphia
Latrodectism