pars intermedia
Noun
Meaning
a thin piece of tissue that has become part of the posterior pituitary
Source: WordNetHypernyms
Examples
In humans, both the thyroid gland and the intermediate lobe (pars intermedia) of the pituitary gland contain colloid follicles.
The pars intermedia (the intermediate lobe) lies between the pars distalis and the pars tuberalis, and is rudimentary in the human, although in other species it is more developed.