Physiology
Endocrine Feedback Loops
A hallmark of endocrine systems is the feedback regulation mechanism that modulates hormone synthesis. This feedback control relies chiefly on two key factors: the stimulus from superior neural…
Category: Physiology
This section is for topics in endocrine physiology
Physiology
Types of Hormone Receptors
The effectiveness of hormone action is dependent on the hormone’s ability to bind to a receptor on the target cell. This binding process enables the cell to differentiate…
Physiology
What Are Hormones : Know The Basics
Hormones are unique molecules produced by specific cells or tissues known as endocrine glands. These molecules are released from their cells of origin and are carried to their…
Physiology
What is an Endocrine Gland
An endocrine gland, or tissue, is generally described as a collection of cells that produce a chemical substance which is then discharged into the surrounding medium, most often…
Physiology
The Formation and Structure of the Adrenal Cortex
Embryonic Development and Maturation of the Adrenal Gland During the sixth week of embryonic development, the adrenal glands begin to form, and they arise from clusters of mesenchymal…
Endocrine reviews medicine
Pineal Gland : Structure and Function
Renee Descartes described the pineal gland as the “seat of the soul.” It is located in the center of the brain. The primary function of the pineal gland…
Endocrine reviews medicine
Plasma proteins – A Comprehensive Review
Blood plasma is a pale, straw-colored fluid of water, proteins, hormones, and nutrients. In other words, blood plasma is blood without blood cells, of which 92% of plasma…
Physiology
The Zona Glomerulosa of the Adrenal Gland
The adrenal glands atop each kidney consist of two layers: the adrenal cortex and the adrenal medulla. The adrenal cortex is divided into three distinct zones: zona glomerulosa,…
Endocrine disease - thyroid gland
Thyroid Hormone Synthesis
The 7 critical steps involved in the synthesis of thyroid hormone will be reviewed here. The efficient synthesis of thyroid hormone requires about 1 g of iodine per…
Physiology
Zona Fasciculata of the Adrenal Gland
The adrenal glands are critical endocrine organs responsible for the production of a variety of hormones that regulate numerous bodily functions. The adrenal cortex, the outer part of…
