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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem
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Releasing hormones secreted by the hypothalamus cause secretion of hormones by the _______ lobe of the pituitary gland.

  1. a. anterior
  2. b. posterior

Summary Introduction

Introduction: In our body, the endocrine system work according to the command given by the hypothalamus-pituitary complex. Hypothalamus is a major region or center in the brain that regulates and controls the internal environment of the body. Hypothalamus is connected to the pituitary gland. Pituitary gland consists of two lobes: anterior and posterior lobe. Each of the pituitary lobes functions according to the signal sent by the hypothalamus.

Explanation

Reason for the correct answer:

Hypothalamus communicates with the anterior pituitary lobe through releasing certain chemical messengers (hormones). Certain neurons present in the hypothalamus called neurosecretory cells are responsible for producing releasing and inhibiting hormones. After secretion from the hypothalamus, hormones are transported through veins via the capillary networks into the anterior lobe of pituitary gland. The releasing hormones cause the secretion of hormones in the anterior pituitary and they themselves produce certain hormones called as trophins that induce the hormone secretion in the endocrine gland...

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