pars intermedia

English Thesaurus

1. a thin piece of tissue that has become part of the posterior pituitary (noun.body)

hypernym	:	ductless gland, endocrine, endocrine gland,
definition	:	any of the glands of the endocrine system that secrete hormones directly into the bloodstream (noun.body)

part meronym	:	neurohypophysis, pars nervosa, posterior pituitary, posterior pituitary gland,
definition	:	the posterior lobe of the pituitary body; primarily glandular in nature (noun.body)