Search results for "Stem cell" - 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 ...

an enlarged, fleshy, generally underground stem of certain seed plants, in ... Two different groups of tubers are stem tubers and root tubers. ...

Similarly, a stem called a rhizome grows horizontally below the surface ... quickly replaced by new cells generated by cell division within the meristem ...

immune system, and specifically in the cell-mediated immune system. They ... The cell-mediated immune system is very complex and highly coordinated ...

#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 ...

in low concentrations, the rate of cell elongation in stems, among ... (growth of stems toward light), inhibit cell elongation in roots, impact ...

In organisms that reproduce sexually, once a sperm fertilizes an egg ... blastula undergo coordinated processes of cell division, invasion, and/or ...

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 ...

The glial cells surround both the central cell bodies and the extensions ... Glia retain the ability to undergo cell division in adulthood, while ...

presence of clearly differentiated "stem" and "leaves," ... Members of the Sphagnum genus consist of a main stem, with tightly ...

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 ...

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 ...

of generations life cycle, apical cell growth, cuticle, antherida ... with an alternation of generations, apical cell growth (meristem-like growth ...

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 ...

DMSO is also used as a cryoprotectant, added to cell media in order ... used to preserve organs, tissues, and cell suspensions. Without it, up ...

===Ethical issues in abortion and embryonic stem cell research=== permissible? Why or why not? Does the stem cell constitute a person? Which ...

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 ...

====Scanning Transmission Electron Microscope (STEM) ==== The STEM rasters a focused incident probe across a specimen that ...

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 ...

*Platelets (thrombocytes) are cell fragments that play an important ... Blood cells are produced by specialized stem cells, located in the ...

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 ...

any one species. Development proceeds by cell division until maturity; further ... considered that they probably represent a stem group of living tardigrades ...

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 ...

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 ...

osteoclasts are derived from a monocyte stem-cell lineage, they are equipped ... osteoclasts, coupled together via paracrine cell signaling, are referred to ...

both of which contain several different cell types that perform specialized ... constructed by a particular class of glial cell called astrocytes. Blood vessels ...

of chemicals are used for this type of cell-to-cell communication, including ... induce proliferation, and sustain cultures, of stem cells. ...

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 ...

which has yielded important insights into cell biology. ... the placement of stems and leaves on a stem (i.e. alternate or opposite ...

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 ...

and organs; it protects against oxidative cell damage from free radicals; ... shaped leaf that lacks a distinct leaf stem. Trichopitys is distinguished ...

contexts. It comes from the Late Latin stem monad-, derived from the Greek ... *In early biology, the indivisible life essence, either the cell or ...

cells and basophils (a type of white blood cell) are excessively activated ... to be another type of hypersensitivity, the cell-mediated (or delayed) reaction ...

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 ...

which arise from a short subterranean stem that is actually a bulb-like ... may rapidly secrete protons into their cell walls, loosening them, and ...

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 ...

** stipe: a stem-like structure (may be absent) ** holdfast: specialized basal structure providing attachment to a surface, often a rock or another ...

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 ...

Nociceptors are the free nerve endings of neurons that have their ... These neurons terminate widely in the brain stem, with one tenth of fibers ...

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 ...

, neuron, for "nerve cell" and the suffix grc|-λογία ... neurites—thin extensions from a neuronal cell body, consisting of dendrites ...

derived from carbohydrates stored in the stem. This is then concentrated ... is related to positive pressures in the stem, with maximum yields when ...

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 ...

* Stem cell (creation, research, and use) * Suicide * Surrogacy * Sustainability of the Planet * Transhumanism (human physical and cognitive enhancement ...

, and stored in a small chamber (a "cell"), with the egg deposited ... typically creates a compartment (a "cell") with an egg and some ...

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 ...

the epimastigotes move onto the rectal cell wall. There, they become infectious ... drug cyclosporin. Recently, direct stem cell therapy of the heart muscle ...

Church's stance on matters such as embryonic stem cell research, human cloning, in vitro fertilization, euthanasia, evolution, interfaith matters ...

nucleotides long.J. Hogle, "Poliovirus cell entry: Common structural themes ... is initiated (1) by binding to the cell surface receptor CD155. The ...

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 ...

(Brassicaceae), characterized by an upright stem, large, long-stalked, oblong ... * Purves, D., and J. W. Lichtman. 1985. Cell marking with horseradish ...

egg granulomas, Symmers’ pipe stem periportal fibrosis, portal hypertension, and occasional embolic egg granulomas in brain or spinal cord ...

Anthropologists speculate that this may stem from early beliefs that spirits ... such as a mind/soul of a single cell (with very primitive, elemental ...

* Stem oil, derived from the twigs, consists of 90-95 percent eugenol ... its major components to human skin cells. Cell Prolif. 39: 241-248. ...

A vocal supporter of stem cell research, Hatch was one of 58 senators who signed a letter directed to President George W. Bush, requesting the ...

doctors for people having low red blood cell count. Also known among the ... season! If no cruel hand pluck me from my stem, yet I must perish ...

The CNS should be able to recruit oligodendrocyte stem cells capable of turning into mature myelinating oligodendrocytes, but it is suspected that something ...

issues such as same-sex marriage and embryonic stem cell research. In 2004, Missouri voters overwhelmingly (71 percent) passed an amendment to the state ...

and fungi store their DNA inside the cell nucleus, while in prokaryotes ... and P. Walters, Molecular Biology of the Cell, 4th edition. (New York: Garland ...

It is a combination of poly, stem of πολυς meaning "many; ... * Each cell in a Voronoi tessellation is a convex polyhedron. In the ...

although many people are negative about embryonic stem-cell research, they are not upset with the fact that thousands of embryos actually die at various ...

George Otis Winston III (February 11, 1949 – June 4, 2023) was an American pianist who was a popular contemporary instrumental performer. Best ...

whether the pigment is grouped inside the cell or is spaced throughout the ... Goldfish have behaviors, both as groups and as individuals, that stem ...

involve the whole body (Prechtl 2001). Brain stem activity has been detected as early as 54 days after conception (Singer 1996). Some fingerprint formation ...

broad. Under ideal conditions, stem growth continues, producing new ... carbohydrates protecting the seed's cell viability, can undergo desiccation ...

When light strikes a photosensitive cell in an animal eye, it is absorbed ... and the entire assembly is anchored in the cell wall by various bushings. ...

kill the delicate coral polyps. The myth may stem from tiny chunks of coral in a wound taking a long time to be expelled, giving the impression that ...

bowls ("oh tum") and the silver stem bowls ("khan"). ... Rock bands popular with the younger generation in Laos include The ...

several unsettled disputes, many of which stem from the period of occupation ... Technology, including feature-rich cell phones and pervasive online ...

*[http://www.eescn.org.uk/sci Cambridge Stem Cell Initiative] *[http://www.lib.cam.ac.uk Cambridge University Library] *[http://www.cambridge ...

... I am the absolute source, my existence does not stem from my antecedents, from my physical and social environment; instead it moves out towards them ...

popular piety in a determined effort to stem the appeal of Protestantism ... surrounding abortion, euthanasia, stem cell research, war, and capital ...

Through his long imprisonment, much of it spent in a cell on Robben ... and that his actions and conviction stem from his Christian faith. ...

which had limited funding of embryonic stem cell research, stating that ... [http://www.cnn.com/2009/POLITICS/03/09/obama.stem.cells/index.html ...

The rebels organized themselves with a cell structure but many armed bands ... the British found themselves unable to stem the tide of insurgency. It ...

for years, Saddam now needed oil money to stem a looming economic crisis ... The following day he was visited in his cell by members of the Iraqi Governing ...

future breakthroughs in tissue rejuvenation with stem cells, organs replacement (with artificial organs or xenotransplantations) and molecular repair ...

2007-04-30, foreword "From a Pilgrim Cell," xiii–xiv ... The roots of the war stem from the increasing numbers of English colonists ...

domestic issues such as federal funding of stem cell research, the ineffective federal response to Hurricane Katrina, and controversies such as NSA warrantless ...

last day of the war, the U-boat arm was unable to stem the tide of men and material, paving the way for Operation Torch, Operation Husky, and ultimately ...

Those changes stem largely from efforts begun in the late nineteenth century by the kingdoms of Cochin and Travancore to boost social welfare ...

key chains, mouse pads, plush dolls, cell phone caddies, and designs ... sometimes grotesque images and motifs also stem from the Zen koan (conundrum ...

beauty of form, and roundness of the dome stem. The outer surfaces of the ... scientists cloned a sheep by somatic cell nuclear transfer. ...

tumor of the middle part of her brain stem. Amy Chillag and Cole Higgins, [https://edition.cnn.com/2019/03/01/health/iyw-girl-cancer-dog-photos ...