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Ladder Pad 9" x 30 "
Protect your liner with this high quality ladder pad ! STEP PAD HELPS PROLONG THE LIFE OF YOUR POOL LINER! This quality pad acts as a cushion between your liner and your above-ground pool step. It helps prolong the life of your liner by eliminating the chafing that occurs between step and liner.
Price: 14.99

Ladder Pad 2' x 3'
STEP PAD HELPS PROLONG THE LIFE OF YOUR POOL LINER! This quality pad acts as a cushion between your liner and your above-ground pool step. It helps prolong the life of your liner by eliminating the chafing that occurs between step and liner.
Price: 20.99

Ladder Pad 3.5' x 5' Deluxe Step Pad
Deluxe pad for the wedding cake step, protects your pool liner !
Price: 54.99

There�s no easier or safer way to illuminate your aboveground pool than with AquaLuminator�. Includes Free Fountain Attachment !
Price: 142.99

AquaLuminator Light-LED Light
Turn your above-ground pool into a unique and breathtaking aquatic environment, with this unique underwater pool lighting.
Price: 364.99

Parts-Aqua Lum Replacement Bulb
Replacement bulb for Aqualuminator light
Price: 54.04

100Watt Underwater Light
NOVA - ABOVE GROUND POOL LIGHT Our new above ground light delivers twice the illumination of most above ground lights. The 100 watt long life halogen bulb with a patented reflector lens, means this light will brighten up even the largest above ground pool. Nova is super safe and easy to install on any above ground pool. The light is powered by super safe 12 volts and comes with its own transformer. Nova requires no drilling and it will not interfere with your pool�s return line. It also comes with 3 colored lenses to snap on for mood effects. Comes complete with 28� of cord, transformer and colored lens kit. ETL Certified. Brighten up your pool with Nova 100 watt pool light, at this great price.
Price: 119.99

New Nightligher Ultra !
Price: 99.99

Multi-Colored Nightlighter
Multi Colored Nightlighter Nightlighter will add a romantic pallet of color to your above ground pool You can select from any of six different colors plus white to add a romantic and fun mood to your pool !
Price: 145.99

Aurora Color Changing Light
AURORA� COLOR CHANGING LIGHT � FOR ABOVE GROUND POOLS ADD A CASCADE OF BEAUTIFUL LIGHT TO YOUR POOL THIS SUMMER This new Aurora� color changing light installs directly into your pools return line so there are no holes to cut or reseal.
Price: 249.99

An Underwater Light Show
A Disco Ball For The Pool. Creates A Whole New Night-Time Experience In Your Pool Or Spa!
Price: 18.99

An Underwater Light Show-Large Starship
A Disco Ball For The Pool. Creates A Whole New Night-Time Experience In Your Pool Or Spa! 10 Different Light Shows 30 Lenses Auto Shut-Off LOWEST PRICE ANYWHERE!
Price: 29.99

Deluxe Above Ground Pool Alarm-With In House Remote
DELUXE ABOVE-GROUND POOL ALARM WITH REMOTE This patented wave detecting alarm protects your pool while eliminating false alarms due to wind and rain. Our underwater sensor sounds an alarm when objects weighing 15 lbs. or more fall into the water. The alarm sounds at the pool and up to 100-ft. away at the remote receiver. The alarm sensitivity is adjustable to prevent false alarms.
Price: 137.99

Pool Eye Above-Ground Pool Alarm
Above Ground Pool Alarm PROTECT YOUR POOL FROM ACCIDENTAL DROWNINGS This alarm patented underwater wave detector protects your pool, while eliminating false alarms due to wind or rain. The sensor discretely mounts inside the pool and detects when objects weighing 15 lbs. or more enter the pool. You can also adjust the sensitivity. The alarm emits a loud siren at the control panel mounted on the pool or nearby. The control panel has an on/off switch, low battery alert and power check reset button. Easy to install and operate. Maximum Pool Size 24 round or 16 x 32 Oval. Comes complete with mounting hardware and instructions.
Price: 76.99

In-Ground Pool Alarm-With Remote
Standard In-Ground Pool Alarm SOUNDS AN ALARM AT THE POOL AND IN THE HOUSE This patented wave detector protects your pool while eliminating false alarms due to wind and rain. Our underwater sensor sounds an alarm when objects weighing 15 lbs. or more fall into the pool. The alarm sounds at the pool and also at the remote receiver, which can be located up to 100-feet away. The unit also displays air and water temperature in fahrenheit and celsius for your convenience. The alarm sensitivity is adjustable to prevent false alarms.
Price: 198.99

Yard Guard Gate/Door Alarm
YARDGUARD POOL GATE/DOOR ALARM SYSTEM Our gate and door alarm is designed to alert you upon an unauthorized entry into your pool area. The Yard Guard alarm meets or exceeds state barrier alarm codes. Simply install the contact set (included) on the desired gate or door, install the alarm& sentry, and it is ready to protect your pool area. Unauthorized entry causes a loud (120 DB) alarm to sound. The alarm is designed with a 7-second delay for adult pass through. Its convenient pass/reset button is easy to operate and the unit even includes a low battery cheep. All hardware is included for a gate, door, or window mount. Listed by ETL and UL. Protect your pool this season with our YardGuard
Price: 39.99

Glow Crystal
MAKE YOUR GARDEN GLOW WITH MULTI-COLORED LIGHT! This decorative solar light is constructed of a solid stainless steel shaft topped by a hand blown glass sphere with a beautiful cracked finish. During the day, the solar cell collects energy from the sun and stores it in its rechargeable batteries. At night, the Glow Crystal� illuminates for up to 8 hours, constantly changing color from red to green to blue. The light dances around the crackled finish like the illuminated tails of a thousand fireflies on a hot summer night. Completely weatherproof and suitable for year �round use. An enclosed photocell turns the light on at dusk and off at dawn everyday, even when it�s cloudy. Measures 34-3/4� tall with a 3-3/4� diameter globe. Two Ni-Cad rechargeable batteries included.
Price: 24.99

Underwater Light - Fountain Show
Enjoy color changing dancing water with this inovative fountain. Not only does the water dance and shimmer above the surface but a dramatic light show is also projected on you pools bottom The light and fountain show is battery operated so there are no hose hook ups to restrict movement. Water flow into the fountain causes the unit to spin, creating an even better light show. The unit comes with a remote control to easily change modes. Requires 4 (D) Batteries !
Price: 54.99



In physiology, a stimulus (plural stimuli) is a detectable change in the internal or external environment. When a stimulus is applied to a sensory receptor, it elicits or influences a reflex via stimulus transduction. A stimulus is often the first component of a homeostatic control system. When a sensory nerve and a motor nerve communicate with each other, it is called a nerve stimulus.

Any of your five senses will accommodate to a particular stimulus. The stimulus–response model describes how statistical units such as receptor cells response to their effective stimulus.

Physiology (from Greek φύσις, physis, "nature, origin"; and -λογία, -logia) is the study of the mechanical, physical, and biochemical functions of living organisms. Physiology has traditionally been divided between plant physiology and animal physiology but the principles of physiology are universal, no matter what particular organism is being studied. For example, what is learned about the physiology of yeast cells may also apply to human cells.

The field of animal physiology extends the tools and methods of human physiology to non-human animal species. Plant physiology also borrows techniques from both fields. Its scope of subjects is at least as diverse as the tree of life itself. Due to this diversity of subjects, research in animal physiology tends to concentrate on understanding how physiological traits changed throughout the evolutionary history of animals. Other major branches of scientific study that have grown out of physiology research include biochemistry, biophysics, paleobiology, biomechanics, and pharmacology.



[edit] History

Physiology can trace its roots back more than two millennia to classical antiquity, to the Greek and Indian medical traditions. Human physiology dates back to at least 420 B.C. and the time of Hippocrates,[1] the father of medicine. The critical thinking of Aristotle and his emphasis on the relationship between structure and function marked the beginning of physiology in Ancient Greece, while Claudius Galenus (c. 126-199 A.D.), known as Galen, was the first to use experiments to probe the function of the body. Galen was the founder of experimental physiology.[2] The ancient Indian books of Ayurveda, the Sushruta Samhita and Charaka Samhita, also had descriptions on human anatomy and physiology. The medical world moved on from Galenism only with the appearance of Andreas Vesalius and William Harvey.[3]

During the Middle Ages, the ancient Greek and Indian medical traditions were further developed by Muslim physicians, most notably Avicenna (980-1037), who introduced experimentation and quantification into the study of physiology in The Canon of Medicine. Many of the ancient physiological doctrines were eventually discredited by Ibn al-Nafis (1213-1288), who was the first physician to correctly describe the anatomy of the heart, the coronary circulation, the structure of the lungs, and the pulmonary circulation, for which he is considered the father of circulatory physiology.[4] He was also the first to describe the relationship between the lungs and the aeration of the blood, the cause of pulsation,[5] and an early concept of capillary circulation.[6]

Following from the Middle Ages, the Renaissance brought an increase of physiological research in the Western world that triggered the modern study of anatomy and physiology. Andreas Vesalius was an author of one of the most influential books on human anatomy, De humani corporis fabrica.[7]

logy is a suffix in English, found in words originally adapted from Greek words ending in -λογία (-logia). The earliest English examples were anglicizations of the French -logie, which was in turn inherited from the Latin -logia.[1]

It has two main senses in English:[2]

  • a combining form used in the names of sciences or bodies of knowledge (e.g. theology or sociology)
  • an ending of nouns that refer to kinds of speech, writing or collections of writing (e.g. eulogy or trilogy)



[edit] Etymology

In words of the type theology, the suffix is derived originally from -λογ- (-log-) (a variant of -λεγ-, -leg-), from the Greek verb λέγειν (legein, "to speak").[3] The suffix has the sense of "the character or department of one who speaks or treats of [a certain subject]", or more succinctly, "the study of [a certain subject]".[4]

In words of the type trilogy, the suffix is derived originally from the Greek noun λόγος (logos, "speech").[5] The suffix has the sense of "[a certain kind of] speaking or writing".[6]

[edit] -logy versus -ology

In English names for fields of study, the suffix -logy is most frequently found preceded by the vowel o so the word ends in -ology. In traditional English grammar, the -o- in -ology is considered part of the suffix -logy. This is because the -o- is not part of the suffix in the original Greek names for fields of study: In these Greek words, the root is always a noun and -o- is the combining vowel for all declensions of Greek nouns. However, when new names for fields of study have been coined in modern English, the formations ending in -logy almost invariably follow the Greek model by adding an -o-, even though there is no grammatical necessity in English. There are at least 22 exceptions: analogy, dekalogy, disanalogy, genealogy, genethlialogy, herbalogy (a variant of herbology), idealogy, mammalogy, mineralogy, paralogy, pentalogy, petralogy (a variant of petrology), tetralogy; elogy; antilogy, festilogy, trilogy; palillogy, pyroballogy; dyslogy; eulogy; and brachylogy.[7]Linguists sometimes jokingly refer to haplology as haplogy (subjecting the word haplology to haplology).

[edit] Additional usage as a suffix

Per metonymy, words ending in -logy are sometimes used to describe a subject rather than the study of it (e.g. technology). This usage is particularly widespread in medicine; for example, pathology is often used simply to refer to "the study of a disease" but to refer to "the disease" itself (e.g. "We haven't found the pathology yet").

Books, journals and treatises about a subject also often bear the name of this subject (e. g. Ecology (journal)).

When appended to other English words, the suffix can also be used humorously to create nonce words (e.g. beerology as "the study of beer", Wikiology as "the study of Wikipedia"). As with other classical compounds, adding the suffix to a initial word-stem derived from Greek or Latin may be used to lend grandeur or the impression of scientific rigor to humble pursuits, as in cosmetology ("the study of beauty treatment") or cynology ("the study of dog training").

In grammar, a suffix (also postfix, ending) is an affix which is placed after the stem of a word. Common examples are case endings, which indicate the grammatical case of nouns or adjectives, and verb endings, which form the conjugation of verbs.

Suffixes can carry grammatical information (inflectional suffixes), or lexical information (derivational suffixes). An inflectional suffix is sometimes called a desinence.[1]

Some examples from English:

Girls, where the suffix -s marks the plural.
He makes, where suffix -s marks the third person singular present tense.
He closed, where the suffix -ed marks the past tense.

A large number of endings are found in many synthetic languages such as Czech, German, Finnish, Latin, Hungarian, Russian, etc.

Suffixes used in English frequently have Greek, French or Latin origins.



[edit] Inflectional suffixes

Inflection changes grammatical properties of a word within its syntactic category. In the example:

The weather forecaster said it would clear today, but it hasn't cleared at all.

the suffix -ed inflects the root-word clear to indicate past tense.

Some inflectional suffixes in present day English:

[edit] Derivational suffixes

In the example:

"The weather forecaster said it would be clear today, but I can't see clearly at all"

the suffix -ly modifies the root-word clear from an adjective into an adverb. Derivation can also form a semantically distinct word within the same syntactic category. In this example:

"The weather forecaster said it would be a clear day today, but I think it's more like clearish!"

the suffix -ish modifies the root-word clear, changing its meaning to "clear, but not very clear".

Some derivational suffixes in present day English:

  • -ize/-ise
  • -fy
  • -ly
  • -able
  • -ful
  • -ness
  • -ism
  • -ment
  • -ist
  • -al

[edit] See also

[edit] References

  1. ^ The Free Online Dictionary
  2. ^ Zwicky, Arnold M.; Pullum, Geoffrey K. (1983), "Cliticization vs. Inflection: English n't", Language 59 (3): 502-513


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