Axolotls are used extensively in scientific research due to their ability to regenerate limbs.

Axolotls should not be confused with waterdogs, the larval stage of the closely related Tiger Salamanders ( Ambystoma tigrinum and Ambystoma mavortium ), which are widespread in much of North America and also occasionally become neotenic, nor with mudpuppies ( Necturus spp.

Axolotls are also sold as food in Mexican markets and were a staple in the Aztec diet.

Axolotls are members of the Ambystoma tigrinum ( Tiger salamander ) complex, along with all other Mexican species of Ambystoma.

Axolotls are especially easy to breed compared to other salamanders in their family, which are almost never captive bred due to the demands of terrestrial life.

Axolotls are prone to cannibalism.

Axolotls possess features typical of salamander larvae, including external gills and a caudal fin extending from behind the head to the vent.

Axolotls have barely visible vestigial teeth, which would have developed during metamorphosis.

Axolotls have four different colours, two naturally occurring colors and two mutants.

Axolotls locate food by smell, and will " snap " at any potential meal, sucking the food into their stomachs with vacuum force.

Axolotls exhibit a property called neoteny, meaning that they reach sexual maturity without undergoing metamorphosis.

Axolotls spend a majority of the time at the bottom of the tank.

Axolotls can also eat feeder fish, but care should be taken as fish left in the tank may graze on the axolotls ' exposed gills.

It should also be noted that Axolotls may suffer from impaction related issues if not kept on the correct substrate with fine sand being the preferred option.

Axolotls live in a neotenous state, retaining most characteristics of their larval stage for their entire lifespan.

The men who speculate on these institutions have, for the most part, come to at least one common conclusion: that many of the great enterprises and associations around which our democracy is formed are in themselves autocratic in nature, and possessed of power which can be used to frustrate the citizen who is trying to assert his individuality in the modern world ''.

Then, with staring eyes and lips drawn thin, Miriam said to the young woman, `` You are ugly -- uglier than you used to be, and you were always very ugly.

She used to tell me, `` When I stand there and look at the flag blowing this way and that way, I have the wonderful, safe feeling that Americans are protected no matter which way the wind blows ''.

The decision maker who acts for the community as a whole must decide whether the objectives pursued and the methods used are appropriate to public policy regarding cultural groups.

his broad but little used investigative powers are confirmed.

When different colors are used, she is just as likely to color trees purple, hair green, etc..

One cannot help wondering whether Molotov and the rest of the `` anti-party group '' are not being used as China's whipping-boys by Khrushchev and his faithful followers.

Proceeds realized from these pageants are used by the Jaycees to help support their various youth, health, welfare and community betterment activities throughout the state.

Since conventional methods are insensitive at the low frequencies of these molecular transitions, the paramagnetic resonance method is being used instead.

The funds recouped by reductions in item 12 above are used: first, to increase the unadjusted allotments to the specified minimum in those States where the unadjusted allotment is less than the minimum allotment ( item 13 above ) ; ;

Solid concrete blocks, relatively heavy and dense, are used for this shelter.

If they are used, the walls and roof should be 10 inches thick to give the same protection as the 8-inch solid concrete blocks.

It is thick, much like an egg plant's skin, so that poison sprays, if they are used, present no hazard to the consumer.

Such locks are nearly always used where the switch points `` face '' oncoming traffic.

Derails -- mechanical track devices that actually guide the wheels off the rails if a train passes a `` stop '' signal -- are used in many instances.

However, some formulas are used more than others.

The compression ratio arrived at with the formula will be the same regardless of whether cubic inches or cubic centimeters are used.

The only way to determine the final combustion chamber volume when such pistons are used is by measuring it with liquid while the cylinder head is bolted to the cylinder block and the piston is in top dead center position.

Photos of Conference Rooms and the General Assembly Hall can be made when these rooms are not being used for meetings.

Besides flathead bronze screws, silicon bronze Stronghold nails ( made by Independent Nail & Packing Co., Bridgewater, Mass. ) are used extensively in assembly and Weldwood resorcinol glue is used in all the joints.

After the frames and transom are set up on the jig and temporarily braced, a piece of three-inch-wide mahogany ( only widths will be given since the 13/16-inch thickness is used throughout ) is butted between frames one and two below the line of the keelson.

One-inch, No. 10 screws are used in both cases.

Glue and 1-1/2-inch, No. 10 screws are used.

Four pieces are used.

Or else the North really believes that all Southerners except a few quaint old characters have come around to realizing the errors of their past, and are now at heart sharers of the American Dream, like everybody else.

The fumes of progress are in his nose and the bright steel of industry towers before his eyes, but his heart is away in Yoknapatawpha County with razorback hogs and night riders.

They are enacted at the heart of the body politic.

Organ meats such as beef and chicken liver, tongue and heart are planned once a week.

In such diseases as cancer, tuberculosis, and heart disease, early diagnosis and treatment are so vital that the waste of time by the patient with Doctor Fraud's cure-all gadget can prove fatal.

Despite the sheer beauty and spectacle of numerous documentaries, art films, and travelogues, despite the impressive financial success of such a recent development as Cinerama, the movies are at heart a form of fiction, like the play, the novel, or the short story.

In Psalm 27: 1 you read those beautiful words which you must have in your heart if you are to master the fears that surround you, or to drive them out if they have you in their grip: `` The Lord is my light and my salvation ; ;

Readings of the number of milligrams of cholesterol in the blood, which seem to have value in predicting heart attacks, are becoming as routine as the electrocardiogram, which can show that the heart has suffered a symptomatic attack.

Inside the body, artificial heart valves are in common use with artificial hearts and lungs seeing less common use but under active technology development.

As the body prepares to deal with a threat, blood pressure, heart rate, perspiration, blood flow to the major muscle groups are increased, while immune and digestive functions are inhibited ( the fight or flight response ).

" You may ... fear that the chest pains are a deadly heart attack or that the shooting pains in your head are the result of a tumor or aneurysm.

There are online applet collections for studying various subjects, from physics to heart physiology.

He reasons that, i ) if we knew the nature of this power, then the mind-body divide would seem totally unmysterious to us ; ii ) if we had immediate knowledge of this mysterious power, then we would be able to intuitively explain why it is that we can control some parts of our bodies ( e. g., our hands or tongues ), and not others ( e. g., the liver or heart ); iii ) we have no immediate knowledge of the powers which allow an impulse of volition to create an action ( e. g., of the " muscles, and nerves, and animal spirits " which are the immediate cause of an action ).

Then looking at him darkly Zeus who gathers the clouds spoke to him :' Do not sit beside me and whine, you double-faced liar. To me you are the most hateful of all gods who hold Olympos. Forever quarrelling is dear to your heart, wars and battles .… And yet I will not long endure to see you in pain, sinceyou are my child, and it was to me that your mother bore you. But were you born of some other god and proved so ruinouslong since you would have been dropped beneath the gods of the bright sky.

ACE inhibitors are now used to reverse frailty and muscle wasting in elderly patients without heart failure.

Beta blockers are used in the prophylaxis of exertional angina by reducing the work the heart is allowed to perform below the level that would provoke an angina attack.

Instead there are many separate heart ailments, or combinations of them.

Antioxidants are widely used in dietary supplements and have been investigated for the prevention of diseases such as cancer, coronary heart disease and even altitude sickness.

They are set in the heart of the Bronx, showing apartment life and the then-landmark Krums ice cream parlor.

Although scarce, there are resources available on the internet which provide 3D animal, heart and jewelry patterns in English.

Modern birds are characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a lightweight but strong skeleton.