These cells all together produce hormones of the anterior pituitary and release them into the blood stream. The chromophils can be further divided into acidophils (alpha cells) and basophils (beta cells). The pars distalis contains two types of cells, including chromophobe cells and chromophil cells. The pars distalis (distal part) comprises the majority of the anterior pituitary and is where the bulk of pituitary hormone production occurs. The anterior pituitary is composed of three regions: In all animals, the fleshy, glandular anterior pituitary is distinct from the neural composition of the posterior pituitary. However, in humans, the intermediate lobe is but a few cell layers thick and indistinct as a result, it is often considered part of the anterior pituitary. ![]() In many animals, these lobes are distinct. It is composed of three lobes: the anterior, intermediate, and posterior lobes. The pituitary gland sits in a protective bony enclosure called the sella turcica ( Turkish chair/saddle).
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