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- Diffusion of innovations (889 bytes)
1: '''Diffusion of innovations''' is the social sciences theory f...
3: French sociologist [[Gabriel Tarde]] originally clai...
5: ...zed by [[Everett Rogers]] in a 1962 book called ''Diffusion of Innovations''. Rogers stated that adopters of ...
Page text matches
- Nervous system (3163 bytes)
1: ...anatomy)|organ]]s, constructs and processes input from the [[sense]]s, and initiates [[action (philoso...
12: *Between neurons by way of [[neurotransmitter]] [[diffusion]] across [[synapse]]s. - Respiratory system (5107 bytes)
10: ...[left main bronchus]] tubes that carry air to and from the lungs
24: ...odel of how the lungs are inflated]] can be built from a bell jar.
31: ...anisms to defend itself and prevent [[pathogen]]s from entering the body.
33: ...The lungs add and remove many chemical messengers from the blood as it flows through pulmonary capilla...
43: Plant respiration is limited by the process of [[diffusion]]. Even a [[baobab]] tree is mostly dead because ... - Circulatory system (8794 bytes)
22: ...[countercurrent exchange]] systems to drive the [[diffusion]] of chemicals into or out of the bloodstream.
25: ...ll the cells of the flat worm. Oxygen can diffuse from water into the cells of the flatworm. Thus ever...
30: ...eries are [[blood vessel]]s that carry blood away from the heart. Veins are blood vessels that return...
35: ...se of [[carbon dioxide]] and the uptake of oxygen from the air. The now oxygenated blood returns to t...
38: Oxygenated blood from the lungs returns to the heart via the pulmonar... - Lymphatic system (6229 bytes)
1: ...'s [[immune system]]. It also transports [[fat]]s from the [[small intestine]] to the [[blood]].
4: ... day. The lymphatic system collects this fluid by diffusion into lymph capillaries, and returns it to the cir...
7: ...ulminating in the right lymphatic duct (for lymph from the right upper body) and the [[thoracic duct]]...
9: [[image:lymphatic_system.gif|right|frame|Major lymphatic vessels in humans]]
17: ...ns (such as pollen), the antigens are transported from the tissue to the lymph. The lymph is carried ... - Pulmonary alveolus (8193 bytes)
16: ...e down a [[concentration gradient]]. Oxygen moves from the alveoli (high oxygen concentration) to the ...
18: ...iffusion. Thus, transport of carbon monoxide is 'diffusion limited'. Gases that reach equilibrium before th...
23: ... higher because carbon dioxide enters the alveoli from the pulmonary capillaries.
50: ..., greatly reducing the effective surface area for diffusion. The gradual loss of the lungs' ability to draw o...
60: ...degree that the patient cannot draw enough oxygen from his environment, then he may need supplemental ... - Lung (7057 bytes)
2: ...lated to the lung often start in '''''pulmo-''''' from the [[Latin]] word ''pulmones'' for lungs.
17: ...filled with blood. Here [[oxygen]] from the air [[diffusion|diffuses]] into the blood, where it is carried by...
19: The deoxygenated blood from the [[heart]] reaches the lungs via the [[pulmo...
22: ...ayers to slide over each other, and prevents them from being separated easily. The left lung is smalle...
28: The lungs of birds differ significantly from those of mammal. In addition to the lungs thems... - Skin (8340 bytes)
17: ... [[blood vessel]]s, and is nourished by diffusion from the dermis. The main type of cells which make u...
47: The skin is subject to constant attack from without, and so can be afflicted by numerous ai... - Epithelium (4397 bytes)
1: ...ide of blood vessels) or external (e.g. [[skin]]) free surfaces of the body.
14: ...nactive metabolically and are associated with the diffusion of water, [[electrolytes]], and other substances....
16: ...mnar epithelial cells and secrete [[mucus]]. The free surface of the columnar cell has tiny hairlike ... - Middle Ages (21063 bytes)
1: ... European overseas exploration, the invention and diffusion of printing, and the [[Humanism|humanist]] reviva...
6: ...ern European historians. That term has now fallen from favor, partly to avoid the entrenched stereotyp...
8: ... lost. Administrative, educational and military infrastructure quickly vanished, leading to the rise o...
12: ...oon converted, following the example of the pagan Frank [[Clovis I]]. The interaction between the cult...
14: ...ying cultural influence, preserving its selection from Latin learning, maintaining the art of writing,... - Ceramics (15941 bytes)
1: ...usands of years, involves the creation of objects from clay and other ceramic materials. This article ...
7: ...his art form encompasses the creation of anything from earthenware and porcelain to decorative tiles a...
39: ... the longevity of ceramic products make it an eco-friendly choice in an age of disposable products and...
46: The word '''''ceramic''''' is derived from the [[Greek language|Greek]] word Κ&epsil...
57: ...ve furnaces, a commonly used abrasive, and as a refractory material. - Culture (23440 bytes)
1: ...m Classroom Clipart]]]The word '''''culture''''', from the [[Latin]] <i>colere</i>, with its root mea...
6: ...tually tried to eliminate popular or mass culture from the definition of culture.
10: ...this [[worldview]], people with different customs from those who regard themselves as cultured do not ...
12: From the 18th century onwards, some social critics h...
19: ...y for symbolic thinking and social learning stems from human evolution confounds older arguments about... - Printing press (12986 bytes)
1: ...Events of the Millennium by LIFE Magazine. Apart from Gutenberg, the [[Netherlands|Dutch]] [[Laurens ...
8: ... using "rag" [[paper]] introduced into [[Europe]] from [[China]] by way of [[Muslims]], who had a pape...
11: ===[[Diffusion (anthropology)|Diffusion]] of printing in Europe===
12: ... books were copied mainly in [[monasteries]], or (from the [[13th century]]) in commercial [[scriptori...
14: ... printing presses an industry requiring a licence from the Catholic Church (an idea rejected in the en... - Medieval music (31843 bytes)
17: ...e. A German theorist of a slightly later period, Franco of Cologne, was the first to describe a syste...
19: ...as a stand-in for 4/4 time is actually a holdover from this practice, not an abbreviation for "common ...
21: ...emensis), [[Johannes de Muris|Jehan des Murs]], [[Franco of Cologne]], [[Johannes de Garlandia]] (Joha...
27: ...hant]] was used and shows the influence of North African music. The Mozarabic liturgy even survived th...
32: ...lodies]] that make up the repertory probably come from several sources, some as far back as the pontif... - Golgi apparatus (4223 bytes)
1: ...e]]s or endosomes and those that will be secreted from the cell, and sort them within [[vesicle (biolo...
15: The transport vesicles from the ER fuse with the cis face of the Golgi appa...
17: ...ransport'' (small vesicles transport the proteins from one [[cisterna]] to the next, while the cistern...
18: ...ort of cargo molecules within the Golgi is due to diffusion, while the localisation of Golgi resident protein...
22: ...Apparatus, carbohydrates are attached and removed from these glycoproteins, creating a diversity of ca... - Mitochondrion (10103 bytes)
8: [[image:mitochondrion.png|frame|'''Cross-section of a mitochondrion, showing:'...
9: ...e-shaped organelle pictured to the right, ranging from 1 to 4 [[Micrometre|?m]] in length. At the othe...
51: ...heir physical tendency (in the "wrong" direction) from the matrix into the intermembrane space.
53: ...chemiosmosis]] and is an example of [[facilitated diffusion]]. Peter Mitchell was awarded the 1978 [[Nobel P...
58: ...ics]] and [[evolutionary biology]] often use data from mitochondrial DNA sequences to draw conclusions... - Anthropology (23191 bytes)
1: ...ait that traditionally distinguished anthropology from other humanistic disciplines is an emphasis on ...
5: ...clude social networks, [[diffusion (anthropology)|diffusion]], social behavior, [[kinship]] patterns, law, po...
18: ...y atomized and dispersed. As [[Karl Marx]] and [[Friedrich Engels]] observed in the [[1840s]]:
20: ...up indigenous raw material but raw material drawn from the remotest zones; industries whose products a...
24: ...eums alongside European art while artifacts from Africa or Native North American cultures were display... - Invention (2863 bytes)
7: ...on (or non-adoption) of an innovation is called [[diffusion of innovations]]. This theory, first put forth by... - Crustacean (6274 bytes)
29: ***Infraclass [[Cirripedia]]
35: ...nacle]]s. They are variously found in marine and freshwater, with a few terrestrial members (such as ...
41: ...ustaceans respire through their body surface by [[diffusion]] and larger crustaceans respire with [[gill]]s. ...
45: ...are retained by the females until they hatch into free-swimming [[larva]]e.
49: ... forth), and the status of different groupings is frequently controversial; this can make taxonomic re... - Bird (20345 bytes)
15: Birds range in size from the tiny [[hummingbird]]s to the huge [[Ostrich...
17: ....g. the [[Wandering Albatross]]). Some, such as [[frigatebird]]s, stay aloft for days at a time, even ...
57: Birds are generally considered to have evolved from [[Theropoda|theropod]] [[Dinosauria|dinosaur]]s...
59: The basal bird ''[[Archaeopteryx]]'', from the [[Jurassic]], is well-known as one of the f...
63: ...p]] structure as birds, birds actually originated from the [[saurischia]]n (lizard-hipped) dinosaurs, ... - Ireland (33828 bytes)
2: [[Image:LocationIslandIreland.png|frame|right|Ireland is located west of the European ...
10: [[Image:Ireland_physical_small.png|frame|Some physical features of [[Ireland]] are show...
13: ...ush vegetation, a product of its mild climate and frequent but soft rainfall, earns it the [[sobriquet...
44: ...e after [[8000 BC]], with the culture progressing from [[Mesolithic]] to high [[Neolithic]] over the c...
47: ... favour a view that emphasises cultural diffusion from overseas over significant colonisation.
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