Dural Venous Sinuses

The dural venous sinuses are the meningeal ducts or conduits, into which the venous blood from the cerebral veins flows. Located i..

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Dural Venous Sinuses

04/23/2014 13:22:00 PM

The dural venous sinuses are the meningeal ducts or conduits, into which the venous blood from the cerebral veins flows. Located in the dura mater of the meninges, just over the brain surface, their function is to drain the oxygen-depleted blood, whi

Pargyline Hydrochloride

04/22/2014 10:30:00 AM

Pargyline hydrochloride is an anti-hypertensive agent indicated in the treatment of some types of primary and secondary hypertension. It may be used alone or concurrently with most other anti-hypertensive agents. It is often effective at reduced dosa

Chelation Therapy

04/20/2014 14:00:00 PM

Chelation therapy is the treatment applied on patients who suffer from plumb, arsenic, mercury, and other metal poisoning of the blood and body tissues. The therapy consists of intravenous injections of chelation agents, such as dimercaptosuccinic ac

Dimercapto-propane Sulfonate

04/15/2014 10:51:00 AM

The dimercapto-propane sulfonate (DMPS) is used in chelating therapy to treat severe acute arsenic and mercury poisoning. It is a chemical compound admistered intravenously. Once in the blood stream, it binds to these contaminating elements, helping

Kidney secretions

04/14/2014 16:36:00 PM

Aside from regulating extracellular fluid volume, electrolyte concentrations, and acid-base balance, the kidney has also a secretory functions. Its secretions are very important in the formation of red blood cells and regulating blood pressure. The f

Dimercaptosuccinic Acid

04/13/2014 14:44:00 PM

The dimercaptosuccinic acid (DMSA) is a drug used in the chelation therapy to treat arsenic, lead, and mercury poisoning. It is usually adminestered intravenously, but also orally. In the blood stream, the DMSA ions bind to the contaminating metal, w

Anterior Interosseous Artery

04/12/2014 14:46:00 PM

The anterior or volar interosseous artery is a blood vessel that arises from the common interosseous in the cubital fossa (upper part of forearm). Then, it runs down along the length of the forearm, between the ulna and radius, on the interosseous me


04/11/2014 14:45:00 PM

Dimercaprol is a chemical compound used in the treatment of mercury, lead, and gold poisoning. It is employed in the chelation therapy to rid the blood of these heavy metals, thus, removing the poisoning metals from the body tissue through renal excr

Radial Nerve

04/10/2014 11:17:00 AM

The radial nerve arises from the brachial plexus, precisely from the 6th, 7th, and 8th cervical roots. From its origin, it runs towards the arm, passing behind the axillary artery as it reaches the upper part of arm. It travels along the inner side o

Isobutylallylbarbituric acid

04/08/2014 13:06:00 PM

Isobutylallylbarbituric acid is a sedative barbiturate drug, which, when combined with acetaminophen, is suitable for the treatment of stress headache, head pain associated with upper respiratory infections, postpartum pain and discomfort, and pain a


04/07/2014 10:20:00 AM

An electrical rotor is a the revolving part of an AC generator or electrical motor. Rotating inside the stator, it consists of a grooved shaft or axle, in which enamelled copper wire is wound. In a generator, the rotor induces electricity in the stat

Anterior Interosseous Nerve

04/06/2014 14:20:00 PM

The anterior interosseous nerve arises from the median nerve in the upper portion of the forearm, on the ulnar side of the cubital fossa area. Then, it runs parallel to the anterior interosseous artery. Being an efferent and motor nerve, it supplies

Imipramine Hydrochloride

04/04/2014 10:49:00 AM

Imipramine hydrochloride is a drug used in the therapy of periodic endogenous depression, in the depressive phase of manic-depressive disorders, senile depression, and in involutional melancholia. It is a white, crystalline substance that turns yello


04/03/2014 13:09:00 PM

Carbamazepine is an iminostilben derivative used in the treatment of the pain associated with true trigeminal neuralgia. It is also employed as an anticonvulsant, in the therapy of certain types of epilepsy. It is a white crystalline compound which i

Alternating Current Generation

04/02/2014 14:38:00 PM

In the late 19th century, when Nicola Tesla and George Westinghouse demonstrated that alternating current (AC) was cheaper to produce and easier to distribute to houses and factories than direct current (DC), the AC generation industry took off as hu

Median Nerve

04/01/2014 14:41:00 PM

The median nerve is a bundle of nerve fibers which arises from the lateral and median cords of the brachial plexus. It goes into the arm through the axilla, at the lower border of the teres major muscle, and then it runs down along the inner side of

Power Plant Boiler

03/31/2014 14:26:00 PM

In energy generation, a boiler is a device through which man obtains pressurized steam, which is used to power a turbine, or a series of turbines. It usually consists of a system of pipes, through which water runs and is then converted into highly pr


03/30/2014 14:27:00 PM

Relaxin is a polypeptide hormone produced by the corpus luteum, which is located in the woman's ovarian follicle. Its function is to make the cervix of the uterus and the pelvic ligaments relax and, thus, facilitate the childbirth. Relaxin is also a


03/29/2014 10:21:00 AM

Methyclothiazide is a potent diuretic antihypertensive agent. Sold under the brand name of Enduron, it is used in the treatment and control of edema associated with congestive heart failure, the nephrotic syndrome, hepatic cirrhosis, pre-menstrual te

Heart Rate Regulation

03/27/2014 10:14:00 AM

Although the heart has its own electrical conducting system, the SA node and AV node, the regulation of the heart rate is conducted by two types of autonomic nervous system fibers, sympathetic and parasympathetic, making up what is called the cardiac

Blood Dyscrasias

03/26/2014 14:06:00 PM

Blood dyscrasias is a medical condition in which the elements that consitute the blood tissue, such as erythrocytes, leukocytes, and platelets are abnormal or simply in abnormal quantity. Hemophilia, anemia, and leukemia are examples of blood dyscras


03/25/2014 12:43:00 PM

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Sodium Nafcillin

03/23/2014 12:55:00 PM

Sodium nafcillin is an antibiotic used in the treatment of infections known to be due to penicillinase-producing staphylocci, which have been shown to sensitive to it. It has been shown to be effective only in the therapy of infections caused by grou

Methamphetamine Hydrochloride

03/22/2014 13:32:00 PM

Methamphetamine hydrochloride is a central nervous system stimulant agent indicated for its anorectic effect in the management of exogenous obesity in a regimen of weight reduction based primarily on caloric restriction. It is also used in the therap


03/20/2014 09:04:00 AM

Sold under the brand name of Tandearil, oxyphenbutazone is a potent nonsteroid, anti-inflammatory agent. Chemically, it is an analog of phenylbutazone. Each patient should be carefully evaluated before treatment is started.

Arteries of the Brain

03/19/2014 14:56:00 PM

All the arteries of the human brain originate from the internal carotid artery and the basilar artery, which are big-caliber blood vessels that supply the cerebrum and cerebelum with vital oxygen-rich blood, which is pumped by the left ventricle of t


03/18/2014 10:30:00 AM

Phenylbutazone is an anti-arthritic and anti-inflammatory agent usually used in combination with prednisone and formerly sold under the brand name of Sterazolidin. It was indicated in the chronic treatment of rheumatoid arthritis, osteoarthritis, and


03/17/2014 10:58:00 AM

Acenocoumarol is an oral anticoagulant of the coumarin series, synthesized and developed in the Geigy laboratoires in the late 1960s and sold in the United States under the brand name of Sintrom. It lowers the prothrombin level of the blood. It is a

Phenmetrazine Hydrochloride

03/16/2014 18:11:00 PM

Phenmetrazine hydrochloride is an oxazine appetite suppressant used in the treatment of obesity. It is an anorexigenic agent, widely employed to curb the appetite of the obese patient. In the USA, it was fomerly sold under the brand name of Preludin.

Reserpine USP

03/14/2014 13:40:00 PM

Reserpine is a pure crystalline alkaloid obtained from the root of the plant Rauwolfia serpentina. Since it reduces arterial blood pressure and has a sedative effects, it is use in the treatment of hypertension with related emotional disturbance. Res

Desipramine Hydrochloride

03/13/2014 11:00:00 AM

Desipramine hydrochloride is a drug indicated for the relief of mental depression. Clinically, onset of action is rapid, usually within three to five days and is manifest as a lifting of depressed mood and a restoration of psychomotor activity. Sold


03/11/2014 10:33:00 AM

Dipyridamole is classified as coronary vasodilator and is used in the long-term treatment of chronic angina pectoris. Prolonged may reduce or eliminate angina episodes and improve exercise tolerance. Sold under the brand name of Persantine, this drug


03/10/2014 15:59:00 PM

Heptabarbital is a barbiturate drug formerly used as a sedative or hypnotic. In the United States it was sold under the brand name of Medomin. Heptabarbital is a cycloheptenylethyl barbituric acid. It differes from other clinically barbiturates in th


03/08/2014 11:46:00 AM

Chlorthalidone is a diuretic agent of value used in the treatment of edema, hypertension, and congestive heart failure. The drug is notable for its prolonged action (between 48 and 72 hours), and low toxicity. Chlorthalidone differs from other sulfon


11/10/2013 20:52:00 PM

In biology, a repressor is a protein which blocks an operon by binding to an operator gene, inhibiting the expression of one or more genes.

Origin of Missouri River

11/08/2013 16:28:00 PM

The source or origin of Missouri River is located in Montana's Rocky Mountains. Thus, the melting snow of these mountain summits gives rise to the longest river in North America. Being the Mississippi River's main tributaries, it is 2,565 mile long a

How to Measure Blood Pressure

08/30/2013 20:15:00 PM

Measuring blood pressure is very important preventive medical procedure to check for hipertension or hypotension. It is measured using an air-pumped sphygmomanometer and a stethoscope.How to measure blood pressure in the right professional way


08/28/2013 21:29:00 PM

Someone has hypotension when his blood pressure drops down below normal levels, which is 120 - 70mm for the sistolic and diastolic respectively. Symptoms are somnolence (sleepiness), fatigue, and headache, but if the blood pressure is too low, one fe


08/27/2013 20:52:00 PM

Hypertension is a medical condition characterized by chronic high blood pressure, whose measurement is above 130mm for the sistolic (high) and 80mm for the diastolic, with some patient reaching the 200--110mm for both. If not treated, hypertension ca

Arteries of Arm

08/26/2013 21:11:00 PM

The axillary artery is the origin of all the arteries of the arm. It changes its name for brachial artery after it has crossed the armpit into the upper arm, running behind the teres mayor muscle. The brachial artery goes down along the inner side of


08/24/2013 21:11:00 PM

Scoliosis is a medical condition characterized by an abnormal side-to-side arching deformation of the spinal column, which may cause muscle fatigue and pain in the back. In severe cases of scoliosis, a noticeable asymmetry can be seen when looked fro

Necrosis Caused by Ischemia

08/23/2013 17:32:00 PM

Necrosis caused by ischemia is the death of body tissue by lack of oxygen-rich blood supply, due to occlusion (blockage) of one or several blood vessels or to exposure to extreme low temperatures, since cold weather makes small arteries and veins to

Myofibrillar degeneration

08/16/2013 10:31:00 AM

Myofibrillar degeneration is a heart condition characterized by a series of lesions scattered throughout the myocardium (heart muscle) or a lesion surrounding infarcts necrosis. Under the electronic microscope, dense clusters of damaged myofilaments


08/14/2013 19:54:00 PM

Fibromyalgia is a medical condition marked by chronic pain and stiffness in joints and muscles, sleep disturbances, and fatigue, but there is no inflammation. The cause of this syndrome is unknown. Treatment consists of analgesics (pain killers).

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