Question

Anterior lobe of pituitary secretes.
A) ACTH, TSH and oxytocin
B) STH, GH and ADH
C) TSH, ADH and prolactin
D) FSH, GH and LH

Answer 1

Hint: Pituitary gland is the gland located at the base of the hypothalamus which secretes several hormones which act on the target sites to perform function. This gland is divided into two portions, Anterior and posterior part.

Complete answer:
The pituitary gland , master gland of the body is located in the cavity of sphenoid bone present in the skull called Sella Tursica. It is present at the base of hypothalamus with the help of stalk like structure .
The pituitary gland is divided anatomically into two portions, Adenohypophysis and neurohypophysis.
Adenohypophysis is further divided into two portions, pars distalis and pars intermedia.
Pars distalis is known as anterior part of the pituitary which secretes several hormones like,
(1) GH (Growth hormone)
(2) PRL (Prolactin)
(3) TSH (Thyroid stimulating hormone)
(4) ACTH (Adrenocorticotropic hormone)
(5) Luteinizing hormones (LH)
(6) Follicle Stimulating Hormone (FSH)
Pars intermedia secretes only MSH (Melanocyte Stimulating Hormone). In human beings pars intermedia is merged with the pars distalis.
Neurohypophysis is known as the posterior part of pituitary . It does not secretes any hormone with its own but stores and releases the hormone secreted by Hypothalamus.
Hypothalamus secretes two hormones , Oxytocin and Vasopressin which reaches posterior pituitary through direct axonal transport. These hormones are stored and released by posterior pituitary.

Hence, the correct answer is option (D)

Note: Hypothalamus releases the regulatory hormone which regulates the production of hormones from pituitary gland. It releases either stimulating or inhibiting hormones which stimulate or inhibit the production of hormones from pituitary gland. Anterior part of the pituitary receives hormones from the hypothalamus through blood stream while its posterior part is under direct neural regulation of hypothalamus .