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- Iris (plant) (13374 bytes)
2: ...image = [[Image:A white iris (small).jpg|240px]]| caption = A white iris}}
9: ...''Iris'''''}}<br />{{Taxobox authority|author = [[Carolus Linnaeus|L.]]|date = [[1753]]}}
16: ... also been bred in some species. The name "Iris" can be applied either to the genus, or to any of the...
21: ...and northern Africa, Asia and southern North America. Elevation is of not much importance.
25: ...]]s are fan-shaped and contain 1 or more symmetrical, six-lobed, slightly fragrant [[flower]]s. These... - Retina (13061 bytes)
5: ...na not only detects light, it also plays a significant part in [[visual perception]]. In [[embryonal d...
9: ...e retina have been used for [[biometric]] identification.
11: ==Physical structure of human eye==
14: ...om a drawing by [[Santiago Ramó® ¹ Cajal| Ramó® ¹ Cajal]].)]]
16: ...a while the photoreceptive cells lie outermost. Because of this light must first pass through the thic... - Skin (8340 bytes)
4: ...tic manner. This has sometimes led to the classification of people(s) on the basis of skin color. See ...
6: ...some animals, the skin is very hard and thick and can be processed to create [[leather]].
8: ...issue]], often giving rise to discoloration and depigmentation of the skin.
12: ...acts with. For some people, therefore, facial skincare is of particular importance, and they often use...
17: ... corneum and become sloughed off. This process is called ''keratinization'' and takes place within abo... - Oil painting (1776 bytes)
1: ...arly modern Europe, [[linseed oil]]. Other oils occasionally used include [[poppyseed oil]], [[walnut ...
5: ...roduced modern [[water miscible oil paint]]s that can be used with, and cleaned up in, water. These a...
7: ...ent color and the same brush). Although not technically true oils (the medium is an unidentified "... - Pineal gland (4403 bytes)
1: ...all [[endocrine system|endocrine]] gland. It is located near the center of the [[brain]], between the ...
3: == Location ==
5: ...8 [[Millimetre|mm]] in human) reddish-gray body located above the [[superior colliculus]] and behind a...
7: ...ten seen in plain skull [[X-ray]]s as it is often calcified.
13: ... material, composed of phosphate and carbonate of calcium, phosphate of magnesium and ammonia, and a l... - Hair (11457 bytes)
2: ...life. "Hairs" are also found on plants, the technical term for which is '''[[trichome]]s''' (see for f...
4: ...[camouflage]] an individual; in some mammals, the pigmentation changes with the seasons, becoming white dur...
6: ...r to a severely short length. The shorter style became the new normality and has never entirely gone a...
11: [[Image:Widpeak.jpg|thumb|A [[widow's peak]]]]Typically, humans have more hair on the top of the head,...
13: ...opologist]]s speculate that the functional significance of long head hair may be [[adornment]], a by-p... - Iconography (7643 bytes)
2: ...raying figures in pigment that [[symbolism|symbolically]] mean more than a simple depiction of the per...
4: ...ngelist|St Luke]], who probably knew them. In the case of the various [[Hindu deities|Hindu gods]], ho...
6: ...imself, not the wood and paint making up the physical substance of the [[icon]]. A more modern illustr...
8: ... over to the [[archetype]], [[icon]]s are kissed, carried in procession, and venerated.
11: ..., the wheel on which [[Catherine of Alexandria|St Catherine]] was tortured, and the axe, laid close to... - Painting (4567 bytes)
2: ... this is his or her [[profession]]. Evidence indicates that humans have been painting for about 6 tim...
8: ...ns, buffalo, and mammoth. There are examples of [[cave painting]] all over the world.
14: [[:Category:Artistic techniques|Painting technique]]s i...
29: *[[Canvas]]
34: ...int are usually identified by the medium that the pigment is suspended or embedded in, which determines the... - Fresco (1692 bytes)
3: ...destroyed the painting can often be reassembled because of the size of the plaster parts.
5: ... These divisions are perceptible with mild magnification (or even the naked eye if the plastering tech... - Dye (6033 bytes)
1: ...stness of the dye on the fibre. In contrast, a [[pigment]] generally has no affinity for the substrate, an...
3: ...t only a few have ever been used on a commercial scale.
9: ...thousands of dyes have since been prepared and, because of vastly improved properties imparted upon th...
11: ...ormation between anionic groups in the dyes and [[cationic]] groups in the fibre. Acid dyes are not su...
13: '''[[Basic dye]]s''' are water-soluble cationic dyes that are mainly applied to [[acrylic f... - Didgeridoo (7516 bytes)
1: ...950s]]. It has been painted in earth [[pigment]]s called [[ochre]]s and the designs represent importan...
3: ...dgeridoo''' (or didjeridu) is a unique wind [[musical instrument|instrument]] of the [[Australian Abor...
5: ...t 1500 years ago, based on dating of paintings on cave walls and shelters from this period.
9: ...oo is usually cylindrical or conical in shape and can measure anywhere from 1 to 1.5 metres. Instrumen...
13: ...olid timber that have been [[drill]]ed out mechanically.]] - Chameleon (4625 bytes)
2: ... image = [[image:Chameleon-jpatokal.jpg|200px]] | caption = }}
13: ''[[Calumma]]''<br>
20: ...se of their elongated tongue and their eyes which can be moved independently of each other. The name "...
34: ...is family inhabit all kinds of biotopes like tropical and montane rain forests, savannahs and sometime...
42: ...kin colour also plays an important part in communication and rivalry fights. - Timeline of invention (28171 bytes)
1: This is a chronological list of [[invention]]s.
3: ...e there is ambiguity, the date of the first practical, fielded version of the invention is used here.
6: * 2.4 MYA: [[Oldowan|Stone tools]] in [[Africa]]
8: ... Controlled [[fire]] in [[Cradle of Humankind|Africa]]
9: * 400 KYA: [[Pigment]]s in [[Zambia]] - Cave (10592 bytes)
2: ...t.jpg|thumb|300px|The outside world viewed from a cave]]
3: ...spaces like cliff cavities, rock shelters and sea caves.
5: ==Cave types and formation==
6: ...rocesses. These may involve a combination of chemical processes, tectonic forces and atmospheric influ...
8: ===Primary caves=== - Watercolor painting (4393 bytes)
1: ...ngst av Carl Larsson 1897.jpg|thumb|right|300px|[[Carl Larsson]], ''Crayfishing'', watercolor, 1897]]
3: ...[plastic]]s, [[leather]], [[fabric]], wood, and [[canvas]].
6: ...[Spain]] and the technology spread to [[Italy]] decades later. Some of the oldest paper manufactures i...
10: ...uon fresco painting]] — wall-painting using pigments in a water medium on wet [[plaster]]. One well-k...
12: ...nti]] ([[1483]]-[[1520]]), who painted full-scale cartoons as precursors for tapestry designs. - Caste (32815 bytes)
1: ...ing [[lineage]], [[breed]] or [[race]]. The term "caste," when used in a [[culture|cultural]] context,...
3: ...]]s like [[ant]]s, [[bee]]s and [[termite]]s have caste divisions of [[Queen bee|queen]] (specializati...
5:
7: ...es it refers to the "lustre" (i.e. "one's own typical light") of gods like [[Soma]], [[Agni]] or [[Ush...
9: ==Primary Hindu castes== - Vacuole (5544 bytes)
1: ...cell, or even determining relative cell size. The cavity that is the vacuole is considered nonprotopla...
3: ...d called '''cell sap''', the composition of which can vary (even between vacuoles in the same cell), b...
4: ...al pH, the storage of small molecules and finally can enable a cell to elongate rapidly.
10: [[Image:Diagram-Biological_cell_vacuole.png|thumb||400px|right|]]
14: ...he cell interior. It is surrounded by a membrane, called the '''tonoplast'''. - Chloroplast (2430 bytes)
4: ... [[Adenosine_triphosphate|ATP]] through a process called [[photosynthesis]].
12: The fluid within the chloroplast is called the [[stroma]], corresponding to the [[cytopl...
13: ...ike a flattened disk, and inside is an empty area called the thylakoid space or lumen. The photosynth...
15: ...hyll]], which is present with various accessory [[pigment]]s. These give chloroplasts their green colour. ...
20: *[[Calvin cycle]] - Barbecue (24807 bytes)
6: ...ing, with the more direct high-heat methods to be called "grilling". In the parts of the U.S. where sl...
8: ...sed for both barbecuing and grilling and is often called a "Barbecue grill" by those unaccustomed to s...
10: ...ny consider this to be a distinct cooking process called smoking. Regardless of the method, the meat s...
23: ...rian alternatives to meat, such as [[soyburger]]s can be barbecued. The meat may be [[marinade]]d or ...
24: ...] or [[vinegar]] based. Vinegar-base sauce is typical of Southern barbecue while tomato-based sauce is... - William Shakespeare (28915 bytes)
4: ...y of the poetic and dramatic form; his ability to capture and convey the most profound aspects of [[hu...
12: ...pped out through the study of considerable historical evidence.
14: ...smal record dates to [[April 26]] of that year. Because baptisms were performed within a few days of b...
17: ... exists that both sides of the family had [[Roman Catholic]] sympathies.
19: ...survived. There is no evidence that his formal education extended beyond grammar school.
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