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Read the following statements and find o...

Read the following statements and find out the incorrect statements. 
a.Adenohypophysis consists of two portions, pars distalis and pars intermedia. However, in humans, the pars intermedia is almost merged with pars distalis.
b. The pars distalis is called anterior pituitary and pars intermedia called posterior pituitary.
c. Neurohypophysis is called a pars nervosa and store and release two hormones called oxytocin and vasopressin (ADH).
d. Anterior pituitary releases 9 hormones and pars intermedia releases only one hormone (MSH).
e. Pars distaliss produces GH, PRL, TSH, ACTH, LH and F SH.

A

a and b

B

b and d

C

d and e

D

c and d

Text Solution

Verified by Experts

The correct Answer is:
B

The pars distalis is called anterior pituitary and pars nervasa called posterior pituitary
(c ). Neurohypophysis (pars nervosa) also known as posterior pituitary, stores and releases two hormones called oxytocin and vasopressin, which are actually synthesised by the hypothalamus and are transported axonally to neurohypophysis.
d. Anterior pituitary release 6 hormones as growth hormone (GH), prolactin (PRL), thyroid stimulating hormone (TSH), adrenocorticotrophic hormone (ACTH), luteinizing hormone (LH) and follicle stimulating hormone (FSH), and pars intermedia releases only one hormone (MSH)
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Explore conceptually related problems

Assertion: Neurohypophysis is under the direct regulation of the hypothalamus. Reason: Neurohypophysis stores and releases two hormones called oxytocin and vasopressin which are actually synthesised by the hypothalamus.

Pars distalis of pituitary gland does not secret

Knowledge Check

  • The hormone of pars intermedia is responsible for :

    A
    Darkening of skin in lower vertebrates
    B
    Regulates the growth of the mammary glands and formation of milk in them
    C
    It stimulates milk ejection from the mammary gland
    D
    Stimulates the synthesis and secretion of steroid hormones called glucocorticoids
  • Which of the following is correct? (A) Pars distalis produces GH.PRL TSH. ACTH LH, FSH (B) Pars intermedia secretes only one hormone called melatonin (C) Posterior lobe of pituitary is also called as neurohypophysis or pars nervosa (D) Posterior pituitary, stores and releases two hormones called oxytocin and vasopressin

    A
    A,B,C
    B
    B,C,D
    C
    A,C,D
    D
    B and C
  • MSH of pars intermedia of middle pituitary is responsible for

    A
    darkening of skin in lower vertabrates
    B
    light colouration of skin in lower vertebrates
    C
    Both a and b
    D
    darkening of skin in human beings
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