Search results for "Stem cell" - New World Encyclopedia
From New World Encyclopedia
- process by which an unspecialized cell becomes specialized into one ... the ability to divide to maintain the stem cell population. They are the ...10 KB (1,501 words) - 01:40, 13 January 2023
- an enlarged, fleshy, generally underground stem of certain seed plants, in ... Two different groups of tubers are stem tubers and root tubers. ...10 KB (1,640 words) - 18:40, 2 May 2023
- Similarly, a stem called a rhizome grows horizontally below the surface ... quickly replaced by new cells generated by cell division within the meristem ...11 KB (1,643 words) - 21:37, 15 August 2022
- immune system, and specifically in the cell-mediated immune system. They ... The cell-mediated immune system is very complex and highly coordinated ...15 KB (2,401 words) - 18:36, 24 October 2022
- #The acceptor stem is a 7-bp stem made by the base pairing of the ... #The D arm is a 4 bp stem ending in a loop that often contains dihydrouridine ...13 KB (1,936 words) - 01:34, 2 May 2023
- in low concentrations, the rate of cell elongation in stems, among ... (growth of stems toward light), inhibit cell elongation in roots, impact ...15 KB (2,169 words) - 05:59, 10 January 2023
- In organisms that reproduce sexually, once a sperm fertilizes an egg ... blastula undergo coordinated processes of cell division, invasion, and/or ...8 KB (1,283 words) - 18:00, 13 February 2024
- are typically composed of a soma, or cell body, a dendritic tree, and ... The axon of a neuron (nerve cell) is a long, slender projection that ...10 KB (1,539 words) - 23:55, 3 December 2023
- The glial cells surround both the central cell bodies and the extensions ... Glia retain the ability to undergo cell division in adulthood, while ...15 KB (2,279 words) - 07:55, 24 January 2023
- presence of clearly differentiated "stem" and "leaves," ... Members of the Sphagnum genus consist of a main stem, with tightly ...14 KB (2,165 words) - 15:20, 27 April 2023
- Red blood cell, or erythrocyte, is a hemoglobin-containing blood cell ... when mature, meaning that they lack a cell nucleus and as a result, have ...16 KB (2,383 words) - 02:30, 8 December 2022
- In the vertebrate body, the liver is the largest gland (i.e., a cell ... the liver is the main site of red blood cell production. The fetal liver ...15 KB (2,224 words) - 20:54, 3 November 2022
- of generations life cycle, apical cell growth, cuticle, antherida ... with an alternation of generations, apical cell growth (meristem-like growth ...11 KB (1,564 words) - 10:22, 21 January 2023
- one which shows no distinction of parts: stem and leaf, and a simple root ... ring, vascular bundles are scattered in the stem, leaf veins form a parallel ...33 KB (5,220 words) - 01:41, 9 January 2023
- DMSO is also used as a cryoprotectant, added to cell media in order ... used to preserve organs, tissues, and cell suspensions. Without it, up ...12 KB (1,770 words) - 16:50, 22 July 2020
- ===Ethical issues in abortion and embryonic stem cell research=== permissible? Why or why not? Does the stem cell constitute a person? Which ...22 KB (3,471 words) - 09:37, 10 March 2023
- search, Brecker was unable to find a matching stem cell donor. In late 2005, he was the recipient of an experimental partial matching stem cell transplant ...11 KB (1,729 words) - 16:53, 9 November 2022
- ====Scanning Transmission Electron Microscope (STEM) ==== The STEM rasters a focused incident probe across a specimen that ...20 KB (2,873 words) - 15:58, 13 February 2024
- speech, is the outermost layer of a woody stem, derived from the cork cambium ... The vascular cambium is a part of a woody stem where cell division occurs ...16 KB (2,451 words) - 20:36, 23 May 2020
- *Platelets (thrombocytes) are cell fragments that play an important ... Blood cells are produced by specialized stem cells, located in the ...16 KB (2,426 words) - 18:13, 31 October 2023
- means of a conductive plate (i.e., a solar cell precursor). The radiant energy ... placed on the metal cap spreads to the stem and the gold leaf of the electroscope ...23 KB (3,443 words) - 04:26, 24 November 2022
- any one species. Development proceeds by cell division until maturity; further ... considered that they probably represent a stem group of living tardigrades ...13 KB (1,883 words) - 04:32, 27 February 2023
- While the term mushroom is often associated with fungi that have a ... differ from bacteria, which do not have a cell nucleus; they are not a plant ...22 KB (3,256 words) - 19:06, 10 November 2022
- signals between a neuron and another cell. Sound waves moving through ... cranial nerve to both sides of the brain stem and up to the portion of the ...23 KB (3,869 words) - 17:32, 12 February 2024
- osteoclasts are derived from a monocyte stem-cell lineage, they are equipped ... osteoclasts, coupled together via paracrine cell signaling, are referred to ...19 KB (2,819 words) - 07:21, 17 November 2023
- both of which contain several different cell types that perform specialized ... constructed by a particular class of glial cell called astrocytes. Blood vessels ...28 KB (4,199 words) - 22:35, 20 November 2023
- of chemicals are used for this type of cell-to-cell communication, including ... induce proliferation, and sustain cultures, of stem cells. ...17 KB (2,310 words) - 08:47, 28 June 2022
- most diagnostic feature. A basidium is a cell in which nuclear fusion and ... the clamp connection, by components of the cell wall, and definitively by ...22 KB (3,202 words) - 04:39, 11 January 2023
- which has yielded important insights into cell biology. ... the placement of stems and leaves on a stem (i.e. alternate or opposite ...17 KB (2,438 words) - 19:52, 20 November 2023
- biosynthesis and signaling networks, Plant Cell 14 Suppl: S131-51. It is also ... ACC which travels through the xylem to the stem and leaves where it is converted ...26 KB (3,781 words) - 04:36, 22 March 2024
- and organs; it protects against oxidative cell damage from free radicals; ... shaped leaf that lacks a distinct leaf stem. Trichopitys is distinguished ...22 KB (3,334 words) - 07:46, 24 January 2023
- contexts. It comes from the Late Latin stem monad-, derived from the Greek ... *In early biology, the indivisible life essence, either the cell or ...11 KB (1,598 words) - 19:53, 9 November 2022
- cells and basophils (a type of white blood cell) are excessively activated ... to be another type of hypersensitivity, the cell-mediated (or delayed) reaction ...22 KB (3,374 words) - 00:41, 9 January 2023
- below the thalamus, just above the brain stem, and occupies the major portion ... and this complex is translocated to the cell nucleus where it interacts ...21 KB (2,814 words) - 13:22, 4 February 2023
- which arise from a short subterranean stem that is actually a bulb-like ... may rapidly secrete protons into their cell walls, loosening them, and ...15 KB (2,279 words) - 17:48, 3 May 2023
- keratin. The keratinized cells arise from cell division in the hair matrix ... of connective tissue and a capillary loop. Cell division in the papilla is ...25 KB (4,025 words) - 13:24, 24 January 2023
- ** stipe: a stem-like structure (may be absent) ** holdfast: specialized basal structure providing attachment to a surface, often a rock or another ...11 KB (1,607 words) - 17:38, 25 January 2023
- of but a few thousand cells and only three cell layers and four cell types ... With just four cell types, three cell layers, and only a few thousand ...38 KB (5,754 words) - 16:47, 2 May 2023
- Nociceptors are the free nerve endings of neurons that have their ... These neurons terminate widely in the brain stem, with one tenth of fibers ...18 KB (2,786 words) - 10:58, 11 March 2023
- are typically composed of a soma, or cell body, a dendritic tree, and ... received from other neural cells to the cell body. Gray matter contains ...37 KB (5,767 words) - 21:40, 7 February 2023
- , neuron, for "nerve cell" and the suffix grc|-λογία ... neurites—thin extensions from a neuronal cell body, consisting of dendrites ...32 KB (4,338 words) - 04:35, 11 March 2023
- derived from carbohydrates stored in the stem. This is then concentrated ... is related to positive pressures in the stem, with maximum yields when ...18 KB (2,816 words) - 11:09, 9 March 2023
- white flowers, that form on an elongated stem arising from the center of ... a sharp blade to chop onions will limit the cell damage and the release of ...16 KB (2,477 words) - 10:33, 11 March 2023
- * Stem cell (creation, research, and use) * Suicide * Surrogacy * Sustainability of the Planet * Transhumanism (human physical and cognitive enhancement ...12 KB (1,586 words) - 17:53, 31 October 2023
- , and stored in a small chamber (a "cell"), with the egg deposited ... typically creates a compartment (a "cell") with an egg and some ...24 KB (3,674 words) - 10:22, 26 September 2023
- leaves, or a lack of clearly differentiated stem and leaves all point to the ... however, the lack of clearly differentiated stem and leaves in thallose species ...21 KB (3,070 words) - 11:11, 9 March 2023
- the epimastigotes move onto the rectal cell wall. There, they become infectious ... drug cyclosporin. Recently, direct stem cell therapy of the heart muscle ...38 KB (5,449 words) - 02:04, 13 January 2023
- Church's stance on matters such as embryonic stem cell research, human cloning, in vitro fertilization, euthanasia, evolution, interfaith matters ...28 KB (4,358 words) - 07:02, 3 August 2022
- nucleotides long.J. Hogle, "Poliovirus cell entry: Common structural themes ... is initiated (1) by binding to the cell surface receptor CD155. The ...72 KB (10,129 words) - 16:53, 27 December 2023
- prone to illegal behavior, or does crime stem from a failure of social policy? ... Female Section.JPG|thumb|left|250 px|Female cell hall in Victoria Prison, Hong ...31 KB (4,789 words) - 23:00, 30 November 2022
