<unk>  also known as false pregnancy, can cause many of the signs and symptoms associated with pregnancy, and can resemble the condition in every way except for fetal presence. Other names include - spurious pregnancy, feigned pregnancy, imaginary pregnancy, hysterical pregnancy, phantom pregnancy and grossesse nerveuse ("mental pregnancy"). John Mason Good coined the term<unk>  from the Greek words pseudes (false) and kyesis (pregnancy) in 1923. False pregnancy is common in many mammals and is a method of providing milk for the group's offspring, most often cats, dogs, and rabbits.
Pseudocyesis
Reticular formation
Koilocytosis
Leukocyte extravasation
Hyperpigmentation
Neurulation
Bauxite fibrosis
Acanthocytosis