Changes

* Leptin is a hormonal peptide produced by adipocytes (fat cells).

* Leptin is a hormonal peptide produced by adipocytes (fat cells).

* The amount of leptin in the blood is directly related to the amount of fat in the body.

* The amount of leptin in the blood is directly related to the amount of fat in the body.

* Leptin receptors are found in the [[Liver_- Anatomy & Physiology|liver]], [[Urinary_System_- Anatomy & Physiology#The_Kidney|kidney]], [[Heart_- Anatomy & Physiology|heart]], [[Muscles_- Anatomy & Physiology#Skeletal_Muscle|skeletal muscles]], [[Pancreas_- Anatomy & Physiology|pancreas]], [[Pituitary_Gland_- Anatomy & Physiology#Anterior_Pituitary_Gland|anterior pituitary gland]] and [[Hypothalamus_- Anatomy & Physiology|hypothalamus]].

* Leptin receptors are found in the [[Liver_- Anatomy & Physiology|liver]], [[Urinary System Overview - Anatomy & Physiology#The_Kidney|kidney]], [[Heart_- Anatomy & Physiology|heart]], [[Muscles_- Anatomy & Physiology#Skeletal_Muscle|skeletal muscles]], [[Pancreas_- Anatomy & Physiology|pancreas]], [[Pituitary_Gland_- Anatomy & Physiology#Anterior_Pituitary_Gland|anterior pituitary gland]] and [[Hypothalamus_- Anatomy & Physiology|hypothalamus]].

* Leptin may be a signal that notifies GnRH neurons directly that nutritional status is adequate because a threshold 'fatness' has been achieved. Leptin may also signal to GnRH neurons indirectly via stimulation of neuropeptide Y, which in turn stimulates GnRH neurons.

* Leptin may be a signal that notifies GnRH neurons directly that nutritional status is adequate because a threshold 'fatness' has been achieved. Leptin may also signal to GnRH neurons indirectly via stimulation of neuropeptide Y, which in turn stimulates GnRH neurons.

[[Category:Puberty]][[Category:Endocrine System - Anatomy & Physiology]]

[[Category:Puberty]][[Category:Endocrine System - Anatomy & Physiology]]