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Stalk in Medical News

Microbial 'cheaters' help scientists ID 'social' genes

... form a tall, thin stalk. The rest climb the stalk and clump together into a small bulb that can be ... conundrum for biologists; the individuals in the stalk give themselves up altruistically to support the ... discoideum from cheating the system, avoiding the stalk and out-reproducing their altruistic neighbors? ...

National Network to End Domestic Violence Fund Introduces New Tool to Outsmart Abusers and Stalkers in Today's High-Tech World

... wireless telephones and other high-tech equipment," said Sue Else, president of the NNEDV Fund. "More and more, abusers are misusing technology to stalk the victims they call loved-ones. Victims of abuse often use computers and wireless telephones to try to find help, unknowingly leaving electronic ...

Video: Trinity Mother Frances Neurosurgeon First in Region to Remove Brain Tumor Using Unique Surgical Procedure

... the pituitary tumor. The pituitary gland is a small, cherry-shaped double structure located near the back of the nasal pathways and attached by a stalk to the base of the brain. It is the gland that affects and controls all hormonal functions in the body. The procedure is performed using a small ...

Three-Dimensional Image Of AIDS Virus – BY FSU Researcher

... for binding the virus to the target cell. Its stalk is responsible for the fusion event in which HIV ... since 1978. His biggest surprise: the stalk has legs. ‘Researchers thought the spike stalk was comprised of a tight collection of three rods ...
Stalk in Medical Dictionary

Cervical polyps

... cervix or endo cervical canal. These small, fragile growths hang from a stalk and protrude through the cervical opening (the os). Cervical polyps ... cervix or endo cervical canal. These small, fragile growths hang from a stalk and protrude through the cervical opening (the os). Pictures & ...

Cerebrum

... cerebrum or suprasellar region that is composed of undifferentiated or poorly differentiated neuroepithelial cells, ... The brain stem is the stalk like portion of the brain that joins the spinal cord to the cerebrum , the thinking and reasoning part of the brain. In adults, astrocytomas most ...

Cauterize

... The great majority of polyp s can be removed during colonoscopy or sigmoidoscopy by snaring them with a wire loop that simultaneously cuts the stalk of the polyp and cauterize s it to prevent bleeding . The vas is then brought to skin level, where it is cut or cauterize d (burned), then ...

Cervical

... are fingerlike growths originating from the mucosa l surface of the cervix or endo cervical canal. These small, fragile growths hang from a stalk and protrude through the cervical opening (the os). Pictures & Images ... CERVICAL CAP This is a small rubber device similar to a ...

Craniopharyngioma

... that are generally low grade (including astrocytomas, grade 1 [pilocytic] or grade 2). Craniopharyngioma : Tumor located near the pituitary stalk Often benign Often close to vital structure, making surgical removal difficult Rare, less than 5% of childhood brain tumors ; average age is 7 to ...

Fetal development

... may be acquired in utero. A fibrous cord that connects the urinary bladder to the umbilicus (navel). The urachus is formed as the allantoic stalk during fetal development and lasts through life. Also called the median umbilical ligament . uracil ... A spontaneous abortion is the loss of ...

Ligament

... like fibromyalgia ... A fibrous cord that connects the urinary bladder to the umbilicus (navel). The urachus is formed as the allantoic stalk during fetal development and lasts through life. Also called the median umbilical ligament . uracil ... However, in the case of a subsequent ...

Umbilicus

... reveals the hernia . A fibrous cord that connects the urinary bladder to the umbilicus (navel). The urachus is formed as the allantoic stalk during fetal development and lasts through life. Also called the median umbilical ligament . uracil ... Excess skin and fat are removed ...

Urinary bladder

... with vagina l delivery. A fibrous cord that connects the urinary bladder to the umbilicus (navel). The urachus is formed as the allantoic stalk during fetal development and lasts through life. Also called the median umbilical ligament . uracil ... Antibiotics also are used to treat ...

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Stalk in Biological News

Monarch butterflies help explain why parasites harm hosts

... caterpillars as they feed. Each butterfly had one stalk of milkweed in its cage, and every day for up to 30 days the researchers gave the butterflies a new stalk while taking the previous stalk back to the lab for analysis. The spores on the ...

Media highlights in the January issues of Biophysical Journal

... of a single-celled organism, Vorticella, as the stalk by which it is attached to a substrate contracts ... limited by the maximum power available when the stalk contracts, just as in a simple mechanical spring ... mechanical energy passively, in the contracting stalk of Vorticella, there is a dynamical conversion of ...

Making the ultimate family sacrifice

... About 20 percent of colony members sacrifice themselves to form a stiff stalk that the rest can climb to migrate and form a new colony elsewhere. ... biologists. Why, for example, haven't cheaters -- amoebae who avoid the stalk and focus all their energies on getting into the new colony -- squeezed ...

CU-Boulder study shows Maya intensively cultivated manioc 1,400 years ago

... in dental plaster by the team to preserve their shape and size, said Sheets. Evidence showed the field was harvested and then replanted with manioc stalk cuttings just a few days before the eruption of the volcano. A few anthropologists have suspected that manioc tubers -- which can be more than ...

Doubling a gene in corn results in giant biomass

... just don't make it all the way to the end with a plump kernel," Moose said. He explained that the energy to make the seed goes instead into the stalk and leaves. "We had been working with this gene for awhile. We thought there would be more wax on the leaves and there was. But we also got this ...

Doubling a gene in corn results in giant biomass

... just don't make it all the way to the end with a plump kernel," Moose said. He explained that the energy to make the seed goes instead into the stalk and leaves. "We had been working with this gene for awhile. We thought there would be more wax on the leaves and there was. But we also got this ...

A big bunch of tomatoes?

... Why do poppies and sunflowers grow as a single flower per stalk while each stem of a tomato plant has several branches, each carrying flowers? In a new study, published in this week's issue of the open access ...

Vine invasion? UWM ecologist looks at coexistence of trees and lianas

... of woody vines that University of WisconsinMilwaukee ecologist Stefan Schnitzer has encountered in the tropical forests of Panama, the largest has a stalk nearly 20 inches in circumference. "That's like a large tree," says Schnitzer. "And because it winds itself up to the forest canopy and spreads, ...

Climate change and species distributions

... year. The cats are so specialized to life on snow that their paws are much wider than is required to support their weight; the large paws help them stalk hares over deep snow without falling in. Gonzalez, who has worked with USDA Forest Service scientists to analyze lynx habitat, projects that a ...

Lizard hunting styles impact ability to walk, run

... form of foraging, known as wide or active foraging, lizards move constantly but very slowly in their environment, using their chemosensory system to stalk their prey, according to the research team, which included McElroys adviser Stephen Reilly, professor of biological sciences, and undergraduate ...

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Stalk in Biological Products

Human CCL21 / 6Ckine, Unconjugated, Fc Chimera from R&D Systems

Description:... Recombinant Human CCL21/6Ckine (Mucin stalk ...
Company:R&D Systems
Stalk in Biological Definition

Red Queen

... bear survive the cold of the arctic and white in order that the bear can stalk seals for food. For the first case the selection pressure is likely to ... in seals makes the average seal harder and harder for the bear to stalk successfully. As a result both the bear and the seal find themselves ...

ATP synthase

... It's easy to visualize the F O F 1 particle as resembling the fruiting body of a common mushroom, with the head being the F 1 particle, the stalk being the gamma subunit of F 1 , and the base and "roots" being the F O particle embedded in the membrane. The F 1 particle was first isolated by ...
Stalk in Biological Dictionary

Stalk

... and psychology ... "A Study of Women Who stalk ", Purcell, Pathé and Mullen concluded ... stalk , a plant stem or structure resembling a plant stem, which can include a ... The stalk of a mushroom, properly referred to as the ...

Petiole

... In botany, the petiole is the small stalk attaching the leaf blade to the stem. The ... sessile, ... Petiole (botany), the stalk of a leaf, attaching the blade to the stem. ... Free Trial, Credit Card Required. ... stalk attaching the leaf stem called a petiole ...

Anther

... of a flower. Each stamen generally has a stalk called the filament, and, on top of the ... at the base of the petals. ... of two parts, a stalk (filament), and a two-lobed pollen sac called ... stamen that contains pollen; usually borne on a stalk ... anther . Definition from Wiktionary, a ...

Sporangiophore

... sporangiophores . ... these units is a sporangiophore consisting of a stalk attached to the cone axis, ... sporangiophore , sporangium, ... name Grape Fern. ... Each sporangiophore is composed of a slender stalk and a hexagonal disk, which ... 33–36. Enlargements of sporangiophore ...

Polyp

... a mucous membrane. If it is attached to the surface by a narrow elongated stalk it is said to be pedunculated. If no stalk is present it is said to be sessile. ... An introduction to the ...

Stem

... that ... Stem (bicycle part), connects the handlebars to the steer tube of a bicycle fork ... stem n. The main ascending axis of a plant; a stalk or trunk. ... If a stem creeps along the ground, rooting at the nodes, it is said to be repent ... Stem (bicycle part) Quill stem classic ...

Stamen

... The stamen is the male organ of a flower. Each stamen generally has a stalk called the filament, and, on top of the filament, an anther, and pollen sacs, called microsporangia. The development of the microsporangia and ......

Slime molds

... into the kingdom Fungi. ... Scoop up some dirt, and you'll probably wind up with some slime mold . ... For these slime molds , becoming a stalk cell may not be such a terrible fate, ... Slime molds have complex life cycles that may be divided into an ... 30 hours with team slime ...

Infundibulum

... Infundibulum ... infundibulum n. , pl. -la . Any of various funnel-shaped bodily passages, openings, structures, or parts, especially: The stalk of the pituitary infundibular stem n. The neural component of the pituitary stalk, containing nerve tracts passing from the hypothalamus to ...

Dynein

... immuno-precipitated from adult rat brain, we ... Dynein motors transport activated Trks to promote survival of target-dependent neurons. ... stalk coiled coil of dynein couples ATPase and microtubule binding. ... myosin and kinesin, in dynein the microtubule-binding domain ... dynein ...

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