The portion of the pituitary gland which is highlighted (see attachement) is referred to as posterior pituitary.
What is a pituitary gland?
A pituitary gland can be defined as a small, pea-sized endocrine gland that is found under the brain (below the hypothalamus), which is responsible for the secretion of several important hormones directly into the bloodstream of a living organism.
Also, the pituitary gland controls the function of several other endocrine system glands. In this scenario, posterior pituitary is the portion of the pituitary gland which is highlighted in the image attached below.
Read more on pituitary gland here: https://brainly.com/question/9891602
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