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- Rose (15436 bytes)
21: ...oses, all from the northern hemisphere and mostly from temperate regions. The species form a group of ...
27: ...chest sources of any plant. The hips are eaten by fruit-eating [[bird]]s such as [[Thrush (bird)|thrus...
29: ...]). Despite the presence of the thorns, roses are frequently heavily browsed by [[deer]]. A few specie...
33: The name originates from [[Persian language|Persian]] *''vrda''- via Gre...
42: *''[[Rosa gallica]]'' - Gallic Rose, French Rose - Pulmonary alveolus (8193 bytes)
6: ... consist of an epithelial layer and extracellular matrix surrounded by capillaries. In some alveolar wall...
16: ...e down a [[concentration gradient]]. Oxygen moves from the alveoli (high oxygen concentration) to the ...
23: ... higher because carbon dioxide enters the alveoli from the pulmonary capillaries.
60: ...degree that the patient cannot draw enough oxygen from his environment, then he may need supplemental ... - Kidney (12846 bytes)
3: ..., the kidneys filter wastes (especially [[urea]]) from the [[blood]] and excrete them, along with [[wa...
13: ...idneys_from_behind.jpg|thumb|250px|Kidneys viewed from behind with spine removed]]
22: ...corpuscle]]), and a [[renal tubule]] that extends from the renal corpuscle.
26: ...space called "Bowman's space", which is separated from blood in the glomerulus by three layers:
37: ...sule. The segment that drains glomerular filtrate from the Bowman's capsule is the [[proximal convolut... - Bone (11388 bytes)
27: ...ns include to varying degrees: formation of bone, matrix maintenance and calcium homeostasis. They possibl...
29: ...d'' surfaces. Because the osteoclasts are derived from a [[monocyte stem-cell lineage]], they are equi...
31: == Bone matrix ==
32: ... are brought out of semi-[[stasis]] to repair the matrix.
34: ...ch is present in the form of hydroxylapatite. The matrix is initially laid down as unmineralized osteoid (... - Connective tissue (1646 bytes)
1: ...ogical tissue]] with an extensive [[extracellular matrix]]. There are several basic types:
3: ...eocyte]]s embedded in a mineralized extracellular matrix, and functions for general support.
6: ... where it provides cushioning. The extracellular matrix of cartilage is composed primarily of [[chondroit...
7: * The extracellular matrix of [[blood]] is the [[blood plasma]], which trans... - Hair (11457 bytes)
4: ...ulation]] from cold weather and, in some species, from particularly hot weather. Because hair is often...
6: ...aces, arms, chests and legs, but the hair growing from the top of the head is generally kept short, re...
13: ...a new hair pushes the old one out of the follicle from beneath. Head hair, by comparison, grows for a ...
19: ...edal locomotion possibly predates hominids moving from a forest environment to a savanna environment. ...
23: ...example, virtually intact hair has been recovered from ancient Egyptian tombs. Different parts of the ... - Manuscript (5266 bytes)
3: ...were punched much like the style of today's [[dot-matrix printer]]s. This type of document was rare compar...
8: ...r]]. In Russia [[birch bark documents]] as old as from the 11th century have survived.
10: ...s in a [[scriptorium]], each making a single copy from an original that was declaimed aloud.
16: ... language|Greek]] or [[Latin]] and usually dating from the [[4th century]] to the [[8th century]], are... - Ivory (4783 bytes)
9: ...ge teeth projecting beyond the lips, have evolved from teeth and give certain species an evolutionary ...
13: ...o-canals that radiate outward through the dentine from the pulp cavity to the exterior cementum border...
15: ... keys. Additionally, [[warthog]] tusks, and teeth from [[sperm whale]]s, [[orca]]s and hippos can also...
19: ...llion US dollars ivory sales generate ever reach Africans; most of it goes to middlemen and vendors, s...
21: ... in Africa will endanger elephants everywhere in Africa as poachers would attempt to launder their ill... - Textile (4228 bytes)
1: ...ss]], which are made from fibers dispersed in a [[matrix]] of another material are considered [[composite ...
8: Textiles can be made from a variety of materials. The following is a part...
21: *[[Coir]]: the fibre from [[coconut]]s.
27: *[[Linen]], made from [[flax]]
33: ===Derived from plant products=== - Geology (12007 bytes)
1: '''Geology''' (from [[Greek language|Greek]] γη- (''ge-''...
3: ... which includes the [[Crust (geology)|crust]], is fragmented into [[tectonic plates]] that move over a...
10: ...gical [[stratum]] in a mountain hundreds of miles from the ocean, he inferred that the land was formed...
12: ...her languages of Europe such as [[French language|French]]. [[Georg Bauer]] (Georg Agricola), a physic...
16: ... the [[Volcano|volcanic]] origins of this part of France. [[James Hutton]] recorded his ''Theory of th... - Fossil (5231 bytes)
5: The word fossil is derived from the [[Latin]] word ''fossilis'', which means "t...
15: ...obacteria]], the oldest of these formations dates from 3.5 billion years ago. Fossilized deposits of h...
23: ...st fossils, except for certain special cases like freezing or preservation in [[tar]] pits, are believ...
27: ... of an organism, and thereby leaves a hole in the matrix rock, the result is called a ''mould fossil''. If...
31: ...e trapped in resin ([[amber]]), which is secreted from trees. These fossils can be found in sandstones... - Dinosaur (35313 bytes)
2: ...ption = Skull of ''[[Tyrannosaurus rex|T. Rex]]'' from the <br /> [[United States Department of the In...
16: ...of the [[Cretaceous]] period. Dinosaurs are known from both fossils and nonfossils including [[fossil]...
20: ...on|classifying]] dinosaurs, which are still known from a spotty [[fossil record]].
34: ...are [[morphology|morphologically]] quite distinct from their reptilian ancestors, and referring to bir...
42: ...mong those that are recovered, very few are known from complete skeletons and even impressions of soft... - Animal (16429 bytes)
51: ... which ''animalia'' is the plural, and ultimately from ''anima'', meaning vital breath or soul.
57: ...During development it forms a relatively flexible framework upon which cells can move about and be reo...
63: ...produced without mating, or in some cases through fragmentation.
70: ...few small parasitic [[protist]]s. The name comes from the posterior location of the [[flagellum]] in ...
72: ...ssible they are not really animals at all. Aside from them, most animal phyla with known phyla make a... - Animals (10378 bytes)
2: ...acteristics that define them and distinguish them from other life forms. Animals are divided into vari...
8: ... respond to their environment. This system ranges from simple nerve nets in cnidarians (jellyfish, for...
10: ...exual reproduction involves the fusion of gametes from two individuals, leading to genetic diversity.
11: ...ack cell walls, a feature that distinguishes them from plants and fungi. They have a more flexible cel...
18: ...During development it forms a relatively flexible framework upon which cells can move about and be reo... - Kiln (1778 bytes)
4: ...ating them until a chrystaline [[Matrix (geology)|matrix]] of [[silica]] and [[alumina]] forms, to make th...
8: ...hnology is very old. The development of the kiln from a simple earthen trench filled with pots and fu... - Cytoskeleton (4391 bytes)
9: ...s]]), participate in some cell-to-cell or cell-to-matrix junctions and the [[transduction]] of signals. Th...
15: ... They also participate in some cell-cell and cell-matrix junctions.
36: ...ionships are so distant that they are not obvious from protein sequence comparisons alone, the similar... - Mitochondrion (10103 bytes)
8: ...er membrane, (2) outer membrane, (3) cristae, (4) matrix]]
9: ...e-shaped organelle pictured to the right, ranging from 1 to 4 [[Micrometre|?m]] in length. At the othe...
13: ...n the interior of the mitochondrion, called the ''matrix'', and a second between the inner and outer membr...
20: ...pecial membrane transporters to enter or exit the matrix.
22: ===The mitochondrial matrix=== - Cell nucleus (3211 bytes)
1: In [[cell biology]], the '''nucleus''' (from [[Latin]] ''nucleus'' or ''nuculeus'', kernel) ...
3: ...ganelle]] (in some cases not), varies in diameter from 10 to 20 [[micrometre]]s.
4: ... the chemical reactions taking place in cytoplasm from reactions happening within the nucleus. The out...
12: ... fibers in the nucleoplasm known as the [[nuclear matrix]].
14: ...ch constitute euchromatin contain genes which are frequently expressed by the cell. - Meditation (26064 bytes)
7: From the point of view of [[psychology]], meditation...
20: ...ces. It may serve simply as a means of relaxation from a busy daily routine, or even as a means of gai...
32: ...rgy and spirits that can protect the practitioner from misfortune.
41: ... loss. This in turn can gradually free one's mind from the attachment to the impermanent that is the r...
53: ...icult one of struggle and [[temptation]]. [[Saint Francis]] would also retreat to the wilderness in is... - Cheerleading (7470 bytes)
19: *'''Hurdler''' The free leg is either forward (a front hurdler), or sideways (a side hurdler.) The be...
23: ... similar to the hurdler, except that there are no front herkies and the bent knee is out sideways.
27: ...es and raise arms in high V. Swing arms around in front and jump on 5-6, stand stationary and stand up...
30: * Quite a few moves are borrowed from dances ([[Breakdancing|Breakdancing/Hip Hop]]) ...
40: ...l stretches, scales, liberties, scorpions, '''the Matrix''', basket tosses, elevators, and cupies
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