A target cell is a cell in the body that recognizes a hormone's chemical structure. It is a cell to which a hormone binds chemically.
Hormones are classified as chemical messengers produced by endocrine glands that regulate various physiological processes in the body. They can be further categorized as steroid hormones, peptide hormones, and amines based on their chemical structure.
Hormone receptors on cell membranes recognize a hormone's chemical structure in the endocrine system. When the hormone binds to the receptor, a cell changes its behavior.
Cells that are specialized to recognize hormones are known as target cells. These cells possess specific receptors on their surface or within their cytoplasm that bind to particular hormones, allowing them to respond to hormonal signals. The interaction between the hormone and its receptor triggers a cascade of biochemical events, leading to a physiological response. This specificity is essential for the proper functioning of the endocrine system and maintaining homeostasis.
Hormones can be classified into three main chemical groups: peptide hormones, steroid hormones, and amine hormones. Peptide hormones, such as insulin, are made up of amino acids and are typically water-soluble. Steroid hormones, like cortisol and testosterone, are derived from cholesterol and are lipid-soluble. Amine hormones, which include thyroid hormones and catecholamines like adrenaline, are derived from single amino acids and can be either water-soluble or lipid-soluble, depending on their structure.
Vasopressin is the hormone most similar to oxytocin in chemical structure. Both hormones are nonapeptides, containing nine amino acids, and differ by only two amino acids in their structure.
Cells specialized to recognize hormone chemical structures are known as target cells. These cells possess specific receptors on their membranes that bind to particular hormones, allowing them to respond to hormonal signals. This receptor-hormone interaction triggers various cellular responses, influencing processes such as metabolism, growth, and homeostasis. Target cells are crucial for the proper functioning of the endocrine system.
i think is hormones
I believe they are called chemical messengers because of their function and the fact it is a chemical. They travel through the blood and target cells respond to hormones often because of their structure. I have read in a science book (McDougal Littell 's Human Biology) that they are called chemical messengers because they are made at one location and function at another.
"hormones"
Hormones are recognized by specific receptors on target cells that match their chemical structure. These receptors are typically proteins that bind to the hormone molecule, triggering a response within the cell. The binding of the hormone to its receptor initiates a signaling cascade that leads to the cellular response.
hormones
The chemical messages are called as hormones. They are released by the ductless endocrine glands into the bloodstream.