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Delta cell, pancreatic
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Delta cell, pancreaticA type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the pancreas, the delta cells are located in areas called the islets of Langerhans. The delta cells make somatostatin, a hormone that inhibits the release of numerous hormones in the body.
RELATED TERMS--------------------------------------
Cell
Fundamental structural unit of all life. The cell consists primarily of an outer plasma membrane, which separates it from the environment; the genetic material (DNA), which encodes heritable information for the maintainance of life; and the cytoplasm, a heterogeneous assemblage of ions, molecules, and fluid.
Pancreas
A large, elongated gland located behind the lower portion of the stomach that secretes the hormones insulin and glucagon into the blood. These hormones are essential in regulating blood sugar levels. The pancreas also secretes enzymes into the small intestine that help with digestion and neutralize acid from the stomach.
Organ
A structural unit of an animal or plant that serves a specific function.
Somatostatin
A hormone in the pancreas that helps tell the body when to make the hormones insulin, glucagon, gastrin, secretin, and renin.
Hormone
A chemical substance formed in the body that is carried in the bloodstream to affect another part of the body; an example is thyroid hormone, produced by the thyroid gland in the neck, which affects growth, temperature regulation, metabolic rate, and other body functions.
Hormones
Biological compounds that communicate information at a distance. Hormones require specific receptors to begin their biological action and use second messengers to initiate the cellular process that uses that information.
SIMILAR TERMS--------------------------------------
Delta Cell
A type of cell in the pancreas in areas called the islets of Langerhans. Delta cells make somatostatin, a hormone that is believed to control how the beta cells make and release insulin and how the alpha cells make and release glucagon.
Delta Memorial
Delta Memorial is a hospital in Contra Costa, California (USA).
Delta Regional Medical Center
Delta Regional Medical Center is a hospital in Greenville, Mississippi (USA).
Delta-cortef
Delta-cortef is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): prednisolone.
Delta-dome
Delta-dome is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): prednisone.
Deltalin
Deltalin is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): ergocalciferol.
Deltasone
Deltasone is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): prednisone.
Deltoid
The triangular muscle of the shoulder.
PREVIOUS AND NEXT TERMS--------------------------------------
Delay, developmental
Behind schedule in reaching milestones of early childhood development.
Deletion
Loss of a segment of DNA from a chromosome (and hence from the genome).
Delirium tremens
A neurological symptom of alcohol withdrawal seen in chronic alcoholism, with includes symptoms of psychosis. These may include uncontrollable trembling, hallucinations, severe anxiety, sweating, and sudden feelings of terror. Delirium tremens can be both frightening and, in severe cases, deadly. Treatment includes observation, comfort care, and in some cases medication.
Delivery, breech
Delivery in which the buttocks present before the head.
Delivery, footling
There are single-footling or double-footling deliveries depending upon whether the presenting part of the baby at delivery is just one foot or both feet.
Delta cell, pancreatic
Delusional parasitosis
A mistaken belief that one is infested by parasites such as mites, lice, fleas, spiders, worms, or other organisms.
Demarcation
A setting of limits; a boundary; marking the limits of, delimiting; setting apart, separating. The word "demarcation" is used in medicine mainly in the sense of determining and marking off boundaries. For example, the surface demarcation in respect to damaged tissue can refer to the boundary between the living tissue and the necrotic (dead) tissue.
Demonophobia
An abnormal and persistent fear of evil supernatural beings in persons who believe such beings exist and roam freely to cause harm. Those who suffer from this phobia realize their fear is excessive or irrational. Nevertheless, they become unduly anxious when discussing demons, when venturing alone into woods or a dark house, or when watching films about demonic possession and exorcism.
Demyelination
A degenerative process that erodes away the myelin sheath that normally protects nerve fibers. Demyelination exposes these fibers and appears to cause problems in nerve impulse conduction that may affect many physical systems. Demyelinization is seen in a number of diseases, particularly multiple sclerosis. Diagnosis is by functional observation and by testing for myelin protein in the blood.
Dendritic
Referring to a dendrite, a short arm-like protuberance from a nerve cell (a neuron). Dendrites from neurons next to one another are tipped by synapses (tiny transmitters and receivers for chemical messages between the cells).
RELATED TERMS--------------------------------------
Cell
Fundamental structural unit of all life. The cell consists primarily of an outer plasma membrane, which separates it from the environment; the genetic material (DNA), which encodes heritable information for the maintainance of life; and the cytoplasm, a heterogeneous assemblage of ions, molecules, and fluid.
Pancreas
A large, elongated gland located behind the lower portion of the stomach that secretes the hormones insulin and glucagon into the blood. These hormones are essential in regulating blood sugar levels. The pancreas also secretes enzymes into the small intestine that help with digestion and neutralize acid from the stomach.
Organ
A structural unit of an animal or plant that serves a specific function.
Somatostatin
A hormone in the pancreas that helps tell the body when to make the hormones insulin, glucagon, gastrin, secretin, and renin.
Hormone
A chemical substance formed in the body that is carried in the bloodstream to affect another part of the body; an example is thyroid hormone, produced by the thyroid gland in the neck, which affects growth, temperature regulation, metabolic rate, and other body functions.
Hormones
Biological compounds that communicate information at a distance. Hormones require specific receptors to begin their biological action and use second messengers to initiate the cellular process that uses that information.
SIMILAR TERMS--------------------------------------
Delta Cell
A type of cell in the pancreas in areas called the islets of Langerhans. Delta cells make somatostatin, a hormone that is believed to control how the beta cells make and release insulin and how the alpha cells make and release glucagon.
Delta Memorial
Delta Memorial is a hospital in Contra Costa, California (USA).
Delta Regional Medical Center
Delta Regional Medical Center is a hospital in Greenville, Mississippi (USA).
Delta-cortef
Delta-cortef is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): prednisolone.
Delta-dome
Delta-dome is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): prednisone.
Deltalin
Deltalin is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): ergocalciferol.
Deltasone
Deltasone is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): prednisone.
Deltoid
The triangular muscle of the shoulder.
PREVIOUS AND NEXT TERMS--------------------------------------
Delay, developmental
Behind schedule in reaching milestones of early childhood development.
Deletion
Loss of a segment of DNA from a chromosome (and hence from the genome).
Delirium tremens
A neurological symptom of alcohol withdrawal seen in chronic alcoholism, with includes symptoms of psychosis. These may include uncontrollable trembling, hallucinations, severe anxiety, sweating, and sudden feelings of terror. Delirium tremens can be both frightening and, in severe cases, deadly. Treatment includes observation, comfort care, and in some cases medication.
Delivery, breech
Delivery in which the buttocks present before the head.
Delivery, footling
There are single-footling or double-footling deliveries depending upon whether the presenting part of the baby at delivery is just one foot or both feet.
Delta cell, pancreatic
Delusional parasitosis
A mistaken belief that one is infested by parasites such as mites, lice, fleas, spiders, worms, or other organisms.
Demarcation
A setting of limits; a boundary; marking the limits of, delimiting; setting apart, separating. The word "demarcation" is used in medicine mainly in the sense of determining and marking off boundaries. For example, the surface demarcation in respect to damaged tissue can refer to the boundary between the living tissue and the necrotic (dead) tissue.
Demonophobia
An abnormal and persistent fear of evil supernatural beings in persons who believe such beings exist and roam freely to cause harm. Those who suffer from this phobia realize their fear is excessive or irrational. Nevertheless, they become unduly anxious when discussing demons, when venturing alone into woods or a dark house, or when watching films about demonic possession and exorcism.
Demyelination
A degenerative process that erodes away the myelin sheath that normally protects nerve fibers. Demyelination exposes these fibers and appears to cause problems in nerve impulse conduction that may affect many physical systems. Demyelinization is seen in a number of diseases, particularly multiple sclerosis. Diagnosis is by functional observation and by testing for myelin protein in the blood.
Dendritic
Referring to a dendrite, a short arm-like protuberance from a nerve cell (a neuron). Dendrites from neurons next to one another are tipped by synapses (tiny transmitters and receivers for chemical messages between the cells).
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This dictionary contains 19186 terms.
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