
The endocrine system is a system of glands that involve the release of extracellular signaling molecules known as hormones. The endocrine system is instrumental in regulating metabolism, growth, development and puberty, and tissue function and also plays a part in determining mood. The field of study that deals with disorders of endocrine glands is endocrinology, a branch of the wider field of internal medicine.
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Patient Experiences Blog: Endocrine - Adrenal - Parathyroid - Thyroid ...
This is a Blog for Patient Experiences at UCLA: This blog contains UCLA patient experiences about General Endocrine Disorders, Adrenal Diseases,Parathyroid Diseases, ...endocrinesurgeryucla.blogspot.com/Endocrine — Blogs, Pictures, and more on WordPress
Letrozole superior to tamoxifen in postmenopausal women with endocrine-responsive breast cancer ... ENDOCRINE DISORDERS ... Endocrine System – Vocabulary ...en.wordpress.com/tag/endocrine/Endocrine System - MSN Encarta
Endocrine System, group of specialized organs and body tissues ... Blog It. Contributed By: Gad B. Kletter, M.D. Associate Professor, University of Washington. ...encarta.msn.com/encyclopedia_761574274/Endocrine_System.htmlPosts tagged Endocrine at The Diabetes Blog
Bones act like a kind of endocrine organ, releasing osteocalcin, a hormone that ... The Diabetes Blog is a member of the Weblogs, Inc. Network. ...www.thediabetesblog.com/tag/endocrine/Endocrine Disruption — Blogs, Pictures, and more on WordPress
Blog. Our Story. Advanced. Blogs about: Endocrine Disruption. Featured Blog ... Endocrine Disrupting Chemicals - A new Resource ...en.wordpress.com/tag/endocrine-disruption/
The endocrine system is a system of glands that involve the release of extracellular signaling molecules known as hormones. The endocrine system is instrumental in regulating metabolism, growth, development and puberty, and tissue function and also plays a part in determining mood. The field of study that deals with disorders of endocrine glands is endocrinology, a branch of the wider field of internal medicine.
Function
The endocrine system is an information signal system much like the nervous system. However, the nervous system uses nerves to conduct information, whereas the endocrine system mainly uses blood vessels as information channels. Glands located in many regions of the body, for example the testis, release into the bloodstream specific chemical messengers called hormones. Hormones regulate many functions of an organism, including mood, growth and development, tissue function, and metabolism.
Types of signaling
The typical mode of cell signaling in the endocrine system is endocrine signaling. However, there are also other modes, i.e., paracrine, autocrine, and neuroendocrine signaling. Purely neurocrine signaling between neurons, on the other hand, belongs completely to the nervous system.
Endocrine
Main: Endocrine signalling The endocrine system is made up of a series of ductless glands that produce chemical messages called hormones A number of glands that signal each other in sequence is usually referred to as an axis, for example, the hypothalamic-pituitary-adrenal axis. Typical endocrine glands are the pituitary, thyroid, and adrenal glands. Features of endocrine glands are, in general, their ductless nature, their vascularity, and usually the presence of intracellular vacuoles or granules storing their hormones. In contrast, exocrine glands, such as salivary glands, sweat glands, and glands within the gastrointestinal tract, tend to be much less vascular and have ducts or a hollow lumen.
Autocrine
Main: Autocrine signalling Other signaling can target the same cell.
Paracrine
Main: Paracrine signalling Paracrine signaling is where the target cell is nearby.
Juxtacrine
Main: Juxtacrine signalling Juxtacrine signals are transmitted along cell membranes via protein or lipid components integral to the membrane and are capable of affecting either the emitting cell or cells immediately adjacent.
Role in disease
main: Endocrine diseases Diseases of the endocrine system are common, including conditions such as diabetes mellitus, thyroid disease, and obesity. Endocrine disease is characterized by dysregulated hormone release (a productive pituitary adenoma), inappropriate response to signaling (hypothyroidism), lack of a gland (diabetes mellitus type 1, diminished erythropoiesis in chronic renal failure), or structural enlargement in a critical site such as the testis (toxic multinodular goitre). Hypofunction of endocrine glands can occur as a result of loss of reserve, hyposecretion, agenesis, atrophy, or active destruction. Hyperfunction can occur as a result of hypersecretion, loss of suppression, hyperplastic or neoplastic change, or hyperstimulation.























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