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- Iris (plant) (13374 bytes)
15: ...r-red or yellow to white, blue, blue-violet, lavender, tan, maroon and purple.
16: ... [[Image:Iris02.jpg|232px|thumb|left|A purple bearded iris]]
19: ==Description==
20: There are many species of ''Iris'', widely distributed throughout the north temperate zone...
21: ... the grassy slopes, meadowlands, stream banks and deserts of Europe, the Middle East and northern Afri... - Retina (13061 bytes)
5: ...ant part in [[visual perception]]. In [[embryonal development]], the retina and the optic nerve origin...
9: ...s in the retina have been used for [[biometric]] identification.
12: ... the peripheral retina. The edge of the retina is defined by the [[ora serrata]]. The length from one ...
14: ...heir axons. This spatiotemporal pattern of spikes determines the raw input from the eyes to the brain....
20: ...rs of [[neuropil]]s where synaptic contacts are made. The neuropil layers are the outer [[plexiform]] ... - Skin (8340 bytes)
1: ...humb|right|300px|Layers of human skin. Image provided by [http://classroomclipart.com Classroom Clip A...
2: ... is composed of a layer of tissues that protect underlying [[muscle]]s and [[organ (anatomy)|organ]]s....
4: ...erous [[radiation]] contained therein. Human skin pigmentation varies across populations in a visually dram...
6: ...ly serves to augment the insulation the skin provides. On some animals, the skin is very hard and thic...
8: ...issue]], often giving rise to discoloration and depigmentation of the skin. - Oil painting (1776 bytes)
1: ...[linseed oil]]. Other oils occasionally used include [[poppyseed oil]], [[walnut oil]], and [[safflowe...
3: ... both those used in tournaments and those hung as decorations - were more durable when painted in oil-...
5: Recent advances in [[chemistry]] have produced modern [[water miscible oil paint]]s that can be used ...
7: ...fied "non-drying synthetic oily liquid, imbedded with a heat sensitive curing agent"), the p... - Pineal gland (4403 bytes)
1: ...-brain.jpg|thumb||200px|right|Brain Clip Art provided by [http://classroomclipart.com Classroom Clip A...
11: ..., perivascular phagocyte, pineal neurons and peptidergic neuron-like cells.
13: ...onia, and a little animal matter. <!-- I have no idea what Gray's Anatomy means by "Animal matter" - s...
17: ... by darkness and inhibited by light. Light can be detected by the [[suprachiasmatic nucleus]] (SCN) wh...
19: ...s have been found to express the phototransducing pigment [[melanopsin]] in the pineal gland. Avian pineal ... - Hair (11457 bytes)
1: [[Image:Hair.jpg|right|thumb|100px|Long braided hair]]
2: ...ilamentous outgrowth of the [[epidermis (skin)|epidermis]] found in [[mammal]]s. It is a characterist...
4: ...[camouflage]] an individual; in some mammals, the pigmentation changes with the seasons, becoming white dur...
6: ...ice]] and [[flea]] infestation which caused the order to be given for the routine cutting of hair to a...
15: ...beings often have their [[haircut|hair cut]] or [[depilation|remove it]] by shaving or other means. - Iconography (7643 bytes)
1: ...00px|''[[Salvator Mundi]]'' is an [[iconography]] depicting [[Christ]] with his right hand raised in [...
2: ...[symbolism|symbolically]] mean more than a simple depiction of the person involved.
4: ...ms of change, the flower of new life, the fire of destruction, etc.). The many heads, eyes, feet, and ...
6: ...[[Old Testament]] scriptures against the material depiction of the immaterial [[God]] is overturned in...
8: ...irement of the iconographer in order to correctly depict the spiritual realm. For the [[Eastern Orthod... - Painting (4567 bytes)
2: ...using written language. Artistic painting is considered by many to be among the most important of the ...
8: ...ngraved and painted using [[red ochre]] and black pigment and show horses, rhinoceros, lions, buffalo, and ...
14: ...ry:Artistic techniques|Painting technique]]s include:
34: ...at the pigment is suspended or embedded in, which determines the general working characteristics of th...
36: Examples include: - Fresco (1692 bytes)
3: ...makes a very durable work of art; if the wall is destroyed the painting can often be reassembled beca...
7: Painters in fresco will often add details later ''in secco.'' - Dye (6033 bytes)
1: ...stness of the dye on the fibre. In contrast, a [[pigment]] generally has no affinity for the substrate, an...
3: [[Archaeology|Archaeological]] evidence shows that, particularly in [[India]] and the ...
9: The first man-made [[organic]] dye, [[mauveine]], was discovered by ...
13: ...e for wool and silk. Usually [[acetic acid]] is added to the dyebath to help the uptake of the dye ont...
15: ...int]], with the addition of either [[sodium chloride]] (NaCl) or [[sodium sulphate]] (Na<sub>2</sub>SO... - Didgeridoo (7516 bytes)
1: ...d in earth [[pigment]]s called [[ochre]]s and the designs represent important totemic entities such as...
3: ...alia]]. It is sometimes described as a natural wooden trumpet or "drone pipe". Musicologists classify ...
5: ...though it is commonly claimed to be the world's oldest wind instrument. Archaeological studies of rock...
7: ...aki", refers to the specific type of instrument made and used by the [[Yolngu]] people of north-east [...
13: ...ruments and those made in factories are usually made from solid timber that have been [[drill]]ed out ... - Chameleon (4625 bytes)
20: ...r. The name "Chameleon" means "earth lion" and is derived from the Greek words chamai (on the ground, ...
34: ...rees. Some species, however, live on the ground under foliage.
42: ...ition of the lizard. The skin colour is changed under influence of mood, light and temperature. The sk...
44: ... these different pigment cells can relocate their pigments, thereby influencing the colour of light which i... - Timeline of invention (28171 bytes)
3: ...s ambiguity, the date of the first practical, fielded version of the invention is used here.
9: * 400 KYA: [[Pigment]]s in [[Zambia]]
60: * [[Odometer]] : [[Ancient Rome|Rome]]: [[Archimedes]]?
66: ...ntury BC|200s BC]]: Compound [[pulley]]: [[Archimedes]]
74: * [[1st century]]: [[Rudder|Stern mounted rudder]] in [[History of China|China]] - Cave (10592 bytes)
2: [[image:Lavacaveexit.jpg|thumb|300px|The outside world viewed from a cave]]
3: ...aylight; however, in popular usage, the term includes smaller spaces like cliff cavities, rock shelter...
11: ...ols down and becomes hard. The lava now flows inside its crust, until the eruption ends.
12: The liquid lava inside the crust flows out and leaves a hollow tube.
13: ...[Kazumura Cave]] near [[Hilo]] is the longest and deepest lava tube of the world and also the eighth l... - Watercolor painting (4393 bytes)
3: ...nting vary, the most common is paper. Others include [[papyrus]], bark papers, [[plastic]]s, [[leather...
6: ...later. Some of the oldest paper manufactures include [[Fabriano]], Italy, opened in [[1276]], and Arch...
10: ...uon fresco painting]] — wall-painting using pigments in a water medium on wet [[plaster]]. One well-k...
12: ...ed full-scale cartoons as precursors for tapestry designs.
21: ...en.jpg|thumb|right|200px|[[Francis Picabia]], ''Ridens'', (c. 1929), gouache and watercolor on cardboa... - Caste (32815 bytes)
1: The word '''''Caste''''' is derived from the [[Portuguese language|Portuguese]] ...
3: This term is also used in [[entomology]] to describe [[social insect]]s species who have a speci...
5:
7: ...r belief.") The language of the [[Gathas]] (the oldest part of the Avesta) is very similar to the lang...
20: ...e sacred texts, and also that of interpreting and determining the law and the rules of caste. Shudras ... - Vacuole (5544 bytes)
1: ...cell size. The cavity that is the vacuole is considered nonprotoplasmic and the contents classified as...
4: ...s in different organisms and these functions include the capture of food, the maintenance of internal ...
6: ...ach of these functions in different organisms are described below.
14: ... more than 80% of the cell interior. It is surrounded by a membrane, called the '''tonoplast'''.
15: ...uoles may vary in different tissues and stages of development. [[vascular cambium|Cambium]] cells, for... - Chloroplast (2430 bytes)
1: ...Image:Chloroplastsfigure1.jpg|thumb|right|The inside of a chloroplast]]
3: ... found only in plants. Both organelles are surrounded by a double membrane with an intermembrane space...
4: ...oplasts convert light energy from the sun into [[Adenosine_triphosphate|ATP]] through a process called...
6: ...ms a [[plastid]] may take, and are generally considered to have originated as [[endosymbiotic theory|e...
7: In green plants chloroplasts are surrounded by two [[cell membrane|lipid bilayer membrane]]s... - Barbecue (24807 bytes)
1: ...Airpork Crew barbecue team prepares [[pork]] shoulder at the [[Memphis, Tennessee|Memphis]] in May Wor...
4: ...be cooked in large brick or metal ovens specially designed for that purpose.
6: ...lling is barbecuing except when it means double-sided frying with something like a [[sandwich toaster]...
8: ...ich is frowned upon by purists in some areas. The device used for cooking barbecue can usually be used...
10: ...barbecue" restaurants, but nevertheless many consider this to be a distinct cooking process called smo... - William Shakespeare (28915 bytes)
4: ...ualled, due to his understanding of the range and depth of human emotions. A colossal figure in world ...
8: ...ence on the English-speaking world shows in the widespread use of [http://en.wikiquote.org/wiki/Shakes...
12: ...t through the study of considerable historical evidence.
14: ...haps appropriately for a playwright commonly considered to be [[England]]'s greatest, it is also the [...
17: ...an [[alderman]]. Some evidence exists that both sides of the family had [[Roman Catholic]] sympathies....
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