A major organ of the endocrine system, the anterior pituitary (also called the adenohypophysis or pars anterior) is the glandular, anterior lobe that together with the posterior lobe (posterior pituitary, or the neurohypophysis) makes up the pituitary gland (hypophysis).
Explanation:
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Cells have such a small size for their own benefit, they are small in size to allow nutrients and other materials to diffuse through the cell membrane, they keep a small ratio of surface area to volume