Spontaneously formed methemoglobin is normally reduced ( regenerating normal hemoglobin ) by protective enzyme systems, e. g., NADH methemoglobin reductase ( cytochrome-b5 reductase ) ( major pathway ), NADPH methemoglobin reductase ( minor pathway ) and to a lesser extent the ascorbic acid and glutathione enzyme systems.

" Spontaneously they all begin to sing knowing that many of them will never go home.

Spontaneously Flagellant groups arose across Northern and Central Europe in 1349, except in England.

Spontaneously controlled cycling is a flow sensed mode dependant on a spontaneously breathing patient to cycle.

Spontaneously symmetry broken phases of matter are characterized by an order-parameter that describes the quantity which breaks the symmetry under consideration.

Spontaneously breaking of a continuous symmetry is inevitably accompanied by gapless ( meaning that these modes do not cost any energy to excite ) Nambu-Goldstone modes associated with slow long-wavelength fluctuations of the order-parameter.

Spontaneously broken global fermionic symmetries, which occur in some supersymmetric models, lead to Nambu – Goldstone fermions, or goldstinos.

Spontaneously, other people went out in to the streets, some FFI members posted propaganda posters on walls.

Wistar rats are more active than other strains like Sprague Dawley rats. The Spontaneously hypertensive rat and the Lewis rat are other well-known strains developed from Wistar rats.

Thus, the halides are hydrolysed by water but these reactions, particularly those of the chloride, are reversible with the addition of a hydrohalic acid.

Mycophenolic acid acts as a non-competitive, selective, and reversible inhibitor of Inosine-5 ′- monophosphate dehydrogenase ( IMPDH ), which is a key enzyme in the de novo guanosine nucleotide synthesis.

* Male rats – Adjudin ( analogue of indazole-carboxylic acid ), induces reversible germ cell loss from the seminiferous epithelium by disrupting cell adhesion function between nurse cells and immature sperm cells, preventing maturation.

In this state, the Zn < sup > 2 +</ sup > ion is coordinated with the two oxygen atoms from the catalytic glutamic acid, the substrate's carbonyl oxygen atom, and the two histidine residues, and can polarize the glutamic acid's oxygen atom, proximate the scissile bond, and induce it to act as reversible electron donor.

While it is often possible to obtain esters or amides from the carboxylic acid with alcohols or amines, the reactions are reversible, often leading to low yields.

In the Contact Process for the production of sulphuric acid, the second stage is a reversible reaction:

AST catalyzes the reversible transfer of an α-amino group between aspartate and glutamate and, as such, is an important enzyme in amino acid metabolism.

Cycloleucine is a non-metabolisable amino acid and is a specific and reversible inhibitor of nucleic acid methylation, and as such is widely used in biochemical experiments ..

The reaction is carried out at low temperature and the water generated in the reaction is trapped by excess sulfuric acid so the reaction is not reversible.

The existence of a ligand for HNF4 has been somewhat controversial, but linoleic acid ( LA ) has been identified as the endogenous ligand of native HNF4 expressed in mouse liver ; the binding of LA to HNF4 is reversible.

Most of the protein in the liver exists in a form with xanthine dehydrogenase activity, but it can be converted to xanthine oxidase by reversible sulfhydryl oxidation or by irreversible proteolytic modification.

However, since the alkaline battery's chemical reaction is not reversible, a reusable Ni – Cd battery has a significantly longer total lifetime.

Further improvement occurred with the development of compounds ( moclobemide and toloxatone ) that not only are selective but cause reversible MAO-A inhibition and a reduction in dietary and drug interactions.

If an appellate court determines that reversible error occurred, it may reverse the judgment of the lower court and order a new trial on such terms and conditions as are found to be just.

Generally, those traits that are easily reversible will revert upon cessation of hormonal treatment, unless chemical or surgical castration has occurred, though for many transsexual people, surgery is required to obtain satisfactory physical characteristics.

A tragedy occurred on the reversible HOV lanes in 1995 when a negligent highway worker failed to close the outbound gates, leading to a head-on collision that killed six.

Also, coincident with the second Route 244 interchange, Route 27 is the northern terminus of the reversible high occupancy vehicle lanes of I-395.

Protein phosphorylation is the most common and important form of reversible protein posttranslational modification ( PTM ), with up to 30 % of all proteins being phosphorylated at any given time.

This reaction characterized by reversible and fast electrode kinetics, meaning that a sufficiently high current can be passed through the electrode with the 100 % efficiency of the redox reaction ( dissolution of the metal or cathodic deposition of the copper-ions ).

* Pain, inflammation, and erythema at injection sites: Very frequently ( 70 % of patients ), usually during first 4 weeks of therapy, reversible within 1 to 2 weeks.

That increase has provoked ethical concerns about the interpretation of " irreversible " since " patients may still be alive five or even 10 minutes after cardiac arrest because, theoretically, their hearts could be restarted, thus are clearly not dead because their condition was reversible.

Although patients with stage 1 X-rays tend to have the acute or subacute, reversible form of the disease, those with stages 2 and 3 often have the chronic, progressive disease ; these patterns do not represent consecutive " stages " of sarcoidosis.

The BMA's ethics committee also believes that doctors should inform patients of the benefits of reversible contraception so that the patients have more reproductive choices in the future.

It has been reported to induce reversible neurological impairment in multiple sclerosis patients, which led to the halt of an ongoing clinical trial.

LAGB may not result in the most weight loss but it may be an option for bariatric patients who prefer or who are better suited to undergo less invasive and reversible surgery with lower perioperative complication rates.

People on irreversible MAOIs have to discontinue these antidepressants two weeks before general anesthesia, however, the use of moclobemide due to its reversible nature, would allow such patients to possibly continue antidepressant therapy.

DBS directly changes brain activity in a controlled manner, its effects are reversible ( unlike those of lesioning techniques ) and is one of only a few neurosurgical methods that allows blinded studies.

In the past, MAOIs were prescribed for those resistant to tricyclic antidepressant therapy, but newer MAOIs such as selegiline ( typically used in the treatment of Parkinson's disease ) and the reversible MAOI moclobemide provide a safer alternative and are now sometimes used as first-line therapy, although these substances are not always as effective as their predecessors.

Such therapy can reduce or eliminate menstruation in a controlled and reversible fashion.

r-selection – race-oriented pornography – radical feminism – ranch ( brothel ) – rape – rape during wartime – rape fantasy – rape pornography – rape rack – raphe – rapism – raptophilia – reach around – reach-around – reacharound – reading the banns – receptive partner – recovery from sexual assault – rectal examination – rectal foreign body – rectal foreign object – rectal prolapse – rectal sex – recto-vaginal fistula – rectocele – rectovaginal examination – rectovaginal fistula – rectum – red shower – red-light district – reductionism – reflex anal dilatation – refractory period – refusal skills – registered partnership – regulated prostitution – Wilhelm Reich – relationship – relationship counseling – relationship violence – relics – religion and homosexuality – religion and sexuality – religious aspects of marriage – religious prostitution – religious views on masturbation – religious views on sex – rent boy – reparative therapy – reproduction – reproductive biology – reproductive health – reproductive organs – reproductive rights – reproductive strategy – reproductive system – reproductive technology – reproductive tract – reproductive tract obstruction – resolution phase – retained menstruation – retarded ejaculation – rete testis – retifism – retrocopulation – retroejaculation – retrograde ejaculation – retroverted uterus – reverse cowgirl – reverse Prince Albert piercing – reverse prostitution sting operation – reversible hyposomatotropic dwarfism – RH – Rh factor – rhabdophilia – Rhythm Method – ridged band – rim-job – rimming – ring gag – ringbearer – ringing – ritual cleanliness – ritual purification – ritual sex – ritualistic sex act – ritualistic sexual act – ritualistic sexual behavior – roasting ( sexual act ) – robot fetishism – robotism – Roland Loomis – role-playing – Roman marriage – Roman showers – romance – romance novel – romance scam – romantic friendship – romantic love – romantic marriage – root of penis – rough sex – rough trade – round ligament of uterus – Royal College of Obstetricians and Gynaecologists – RU-486 – rubber – rubber clothing – rubber fetishism – rubberism – ruby shower-ruined orgasm –

Long-term therapy may lead to cognitive deficits, especially in the elderly, which may only be partially reversible.

This may be a reversible effect, and some new treatment modalities may re-sensitize the tumor to standard therapy.

An FEV1 / FVC ratio below 0. 7 that is not fully reversible after bronchodilator therapy indicates the presence of COPD, that requires more aggressive therapy and carries a more severe prognosis than simple chronic bronchitis.

Some other side-effects of vancomycin are nephrotoxicity including renal failure and interstitial nephritis, blood disorders including neutropenia, and deafness, which is reversible once therapy has stopped.

Where appropriate, they are considered a good therapy choice as they are non-invasive, easily reversible, quiet, and generally well accepted by the patient.