Search results
|
|
No page with that title exists You can create an article with this title or put up a request for it. Please search Wikipedia before creating an article to avoid duplicating an existing one, which may have a different name or spelling.
Showing below up to 20 results starting with #1.
View (previous 20) (next 20) (20 | 50 | 100 | 250 | 500).
No article title matches
Page text matches
- Lymphatic system (6229 bytes)
1: ...phatic system transports infection-fighting cells called [[lymphocytes]], is involved in the removal o...
4: ...em. Once within the lymphatic system the fluid is called lymph, and has almost the same composition as...
7: ...walls may also help draw fluid into the lymphatic capillaries. This fluid is then transported to progr...
11: ...ating in the lymphatics of the small intestine is called [[chyle]]. The nutrients that are released t...
17: ...m, and present the antigens to lymphocytes, which can then start producing [[antibody|antibodies]] or ... - Immune system (14564 bytes)
1: ...rrow sense, many higher organisms have organs dedicated to the maintenance of immunity, such as the [[...
6: ...m's DNA will not be damaged by the first enzyme because of the presence of the second enzyme. However...
8: ...e]]s), some [[poison]]s, as well as suppressing [[cancer]].
15: ...forced [[apoptosis]], leaving behind T cells that can be safely released into the body.
18: ...time]] with the appearance of [[chondrichthyes]] (cartilaginous or jawed fish). - Kidney (12846 bytes)
3: ... the kidneys and diseases affecting the kidney is called [[nephrology]].
6: ===Location===
7: ...or]] to each kidney is an [[adrenal gland]] (also called the ''suprarenal gland'').
9: ...the [[peritoneum]], the lining of the [[abdominal cavity]]. They are approximately at the [[vertebra]]...
15: ... this medial aspect of each kidney is an opening, called the hilus, which admits the renal [[artery]],... - Liver (11441 bytes)
1: ...s [[bile]], which is important for digestion. Medical terms related to the liver often start in ''hepa...
7: ...[[vein]]s drain directly into the [[inferior vena cava]].
9: ... hepatic duct to form the common bile duct. Bile can either drain directly into the [[duodenum]] via ...
11: ... lost tissue; as little as 25% of remaining liver can regenerate into a whole liver again.
16: ...r into a left anatomical lobe, and a right anatomical lobe. - Connective tissue (1646 bytes)
1: '''Connective tissue''' is any type of [[biological tissue]] with an extensive [[extracellular matri...
3: * [[Bone]] contains specialized cells called [[osteocyte]]s embedded in a mineralized extr...
6: ...provides cushioning. The extracellular matrix of cartilage is composed primarily of [[chondroitin sul...
7: ...one]]s, and [[carbon dioxide]] in the form of [[bicarbonate]]. The main cellular component is [[red b...
11: ...tive tissue conditions have been described, these can be both inherited and environmental. - Science (19868 bytes)
6: ...tive" — they predict empirical results that can be checked and [[Falsifiability|possibly contrad...
8: ...pts to identify what "things" in the world, their causal powers, the mechanisms through which they exe...
10: ...ntific hypotheses can only be falsified ([[falsification]]).
12: ...defined by empiricism, to govern human affairs. Because of their close affiliation, the terms "positiv...
15: ...emonstrated that science has not proceeded historically as the steady accumulation of facts, as the em... - Acrosome (814 bytes)
1: ...elops over the anterior half of its head. It is a cap-like structure derived from the [[Golgi apparatu...
4: ...'''; also, the acrosomal vesicle fuses with the [[plasma membrane]] of the egg cell, and digestive enzymes... - Chemistry (12553 bytes)
5: ...gy]] and itself (see [[physics]], [[biology]]). Because of the diversity of matter, which is mostly in...
9: Chemistry typically is divided into several major sub-disciplines....
11: ... samples to gain an understanding of their [[chemical composition]] and [[structure]].
13: ...ound|chemicals]], [[chemical reaction]]s and chemical [[interaction]]s that take place in living [[org...
17: ...he structure, properties, composition, and [[chemical reaction|reactions]] of [[organic compound]]s. - Solar system (21174 bytes)
5: ...several categories. In recent years many of these categories have been found to be less clear-cut than...
7: *The [[Sun]] (☉) is a [[Stellar_classification|spectral class]] G2 [[star]] that contains 99...
18: [[Image:Solar system scale.jpg|thumb|center|550px|This illustration shows ...
25: **[[Space debris]] of artificial origin that can be found in orbit around Earth.
27: ...ey are subdivided into [[asteroid group]]s and [[:Category:Asteroid groups and families|families]] bas... - Sun (20830 bytes)
30: ...or="#ffffc0" colspan="2" align="center" | '''Physical characteristics'''
55: ! align="left" | [[Escape velocity]]<br> from the surface
101: ! align="left" | [[Carbon]]
122: ...n is usually referred to as ''the'' Sun, and is occasionally referred to as '''Sol''' to distinguish i...
124: ...ary stellar body around which an object orbits is called ''its'' sun, and stars in a [[multiple star s... - Cell biology (3658 bytes)
1: ...ll]]s. This includes their [[physiology|physiological]] properties such as their structure and the [[o...
3: ...w cells works is fundamental to all of the biological sciences. Appreciating the similarities and diff...
8: ...ellular compartments <!-- (I forget what they are called at the moment) --> where they are broken down...
11: ===Purification of cells and their parts===
12: Purification of cells and their parts is achieved in the f... - Cell (biology) (28190 bytes)
2: ...t of all [[life|living]] [[organism]]s, sometimes called the "building blocks of life." Some organisms...
5: ... room. The name was chosen by [[Robert Hooke]] because of the likeness he saw between [[cork (materia...
11: ... Each cell stores its own set of instructions for carrying out each of these activities.
15: ... depends upon its ability to extract and use chemical energy stored in organic molecules. This energy ...
16: ... workhorses of cells, such as [[enzyme]]s. A typical [[mammal|mammalian]] cell contains up to 10,000 ... - Pioneer 11 (5118 bytes)
3: ... passed close to Saturn and then it followed an escape trajectory from the [[solar system]].
5: ...to [[Earth]] and Sun, with the known direction to Canopus as backup. Pioneer 11's star sensor gain and...
7: ...or these experiments were a [[magnetometer]], a [[plasma analyzer]] (for [[solar wind]]), a [[particle det...
11: ...plane]] and was heading outward at 2.5 [[Astronomical Unit|AU]] /year.
15: ...man, the transition of a hydrogen atom, and the location of the Sun and Earth in the [[galaxy]]. - Cilium (3845 bytes)
3: ...e direction, and (2) ''non-motile cilium'', which cannot beat and usually serves as a sensor.
6: ... are fused together into large mobile projections called '''cirri''' (''singular'', '''cirrus'''). Mos...
10: ...udies led scientists to re-evaluate its physiological role(s) in the cell signaling and the control of...
13: Cilia are structurally identical to eukaryotic [[flagellum|flagella]], and the tw...
15: ...m is its [[microtubule organising center]] (MTOC) called a '''[[basal body]]'''. Basal body is made fr... - Cytoskeleton (4391 bytes)
1: The '''cytoskeleton''' is a cellular "[[scaffolding]]" or "[[skeleton]]" contained, as all ot...
9: ...a membrane, as they keep cellular shape, form cytoplasmatic protuberancies (like [[pseudopods]] and [[micr...
36: ...the major proteins of the eukaryotic cytoskeleton can also be found in [[prokaryotes]]. Although the e...
44: ...ctin-like proteins, and these proteins form a helical network beneath the cell membrane that guides th...
50: The bacterium [[Caulobacter crescentus]] contains a third protein, [... - Golgi apparatus (4223 bytes)
1: ...nction is to process [[protein]]s targeted to the plasma membrane, [[lysosome]]s or endosomes and those th...
3: ... leave the [[endoplasmic reticulum]] (ER), specifically ''rough'' ER, are transported to the Golgi app...
7: ...the Golgi apparatus, (12) Secretory vesicle, (13) Plasma membrane, (14) [[Exocytosis]], (15) Cytoplasm, (1...
9: ...hile the ''trans'' face is directed towards the [[plasma membrane]] (Fig. 1). The cis and trans faces have...
15: ...ace and are modified on their way. Possible modifications include [[glycosylation]] or [[phosphorylati... - Endoplasmic reticulum (5319 bytes)
3: ...ase structure and composition is similar to the [[plasma membrane]], though it is an extension of the [[nu...
21: ... (RER), other parts are free of ribosomes and are called smooth ER (SER). The ribosomes on the surface...
32: ...zymes in the smooth ER detoxify chemicals), and [[calcium]] storage. It also is a large transporter of...
36: ...lcium channels, and the calcium ATPase that pumps calcium ions into the SR.
38: ...ads with invaginations of the [[plasma membrane]] called [[T tubules]]. - Mitochondrion (10103 bytes)
3: ...re activity means more mitochondria. Mitochondria can occupy up to 25% of the cell's [[cytosol]].
5: ..."[[cell (biology)|cellular]] [[power plant]]s", because their primary function is to convert organic m...
9: ... dramatic changes in shape. Finally, mitochondria can fuse with one another, or split in two.
11: ...] formation, and their folded form increases that capacity by increasing the surface area of the inner...
13: ...d a second between the inner and outer membranes, called the ''intermembrane space''. - Lysosome (2936 bytes)
1: ...-D structures which prevent enzymatic action{{ref|Campbell}}.
5: *[[Carbohydrate]]s, which digest [[carbohydrate]]s (e.g., sugars),
10: ... invade a cell and helping repair damage to the [[plasma membrane]] by serving as a membrane patch, sealin...
12: ...g in impaired [[cell metabolism]]. Broadly, these can be classified as [[mucopolysaccharidosis|mucopol... - 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'''.
View (previous 20) (next 20) (20 | 50 | 100 | 250 | 500).