**Core Concept:** The satiety centre, also known as the hypothalamic satiety centre, plays a crucial role in regulating food intake and maintaining homeostasis. This centre is part of the hypothalamic neural circuit involved in the integration of peripheral signals related to energy balance and central processing of satiety signals.

**Why the Correct Answer is Right:** The correct answer is C, the paraventricular nucleus (PVN) of the hypothalamus. The PVN is part of the arcuate nucleus, which is responsible for integrating signals related to energy balance and overall body homeostasis. The PVN contains neurons that release peptides like leptin and neuropeptide Y, which modulate food intake and energy expenditure. These peptides act on other hypothalamic nuclei, such as the arcuate nucleus and the dorsomedial nucleus, to regulate feeding behavior and body weight.

**Why Each Wrong Option is Incorrect:**

A. The hypothalamic nucleus of the lateral hypothalamus (LH) is involved in feeding behavior, but not specifically in satiety control.

B. The ventromedial nucleus (VMH) of the hypothalamus modulates food intake, but it is not primarily responsible for satiety.

D. The hypothalamic nucleus of the dorsomedial hypothalamus (DMH) is involved in feeding behavior, but not specifically in satiety control.

**Why Correct Answer is Right:** The paraventricular nucleus (PVN) of the hypothalamus is the correct answer because it plays a crucial role in integrating peripheral signals related to energy balance and central processing of satiety signals. Leptin and neuropeptide Y, released from the PVN, modulate food intake and energy expenditure, ultimately influencing body weight. This makes it the primary center for controlling satiety.

**Clinical Pearl:** Understanding hypothalamic nuclei and their functions is essential for understanding the neural mechanisms of energy balance regulation and the response to various physiological and pathological conditions, such as obesity, anorexia nervosa, and insulin resistance.