apical

UCLA cancer researchers shake loose hidden biomarker

...In prostate cancer cells, PSMA is expressed in the apical region of the cell membrane, which blood can't rea...to relocate PSMA from its 'hidden' location on the apical membrane to an accessible area in the basolateral surface." To cause this disturbance and the resul...

Newly discovered genetic disease sheds light on body's water balance

...n 2 (AQP-2) are shuttled from the cytoplasm to the apical membrane of the collecting duct kidney cells. This process increases water permeability and diminishes urine output from the kidneys. The group set out to prove that changing the amino acid at position 137, from arginine to either cysteine or leucin...

Max Planck researchers make a breakthrough in plant stem cell research

...SCHEL has a key influence on how many cells in the apical meristem actually stay stem cells. However, until ...lar, WUSCHEL restricts the activity of ARR7 in the apical meristem. The ARR genes in turn carry out a particularly important task in hormonal regulation: they...

The evolution of food plants: Genetic control of grass flower architecture

...rnel development). The tassel forms from the shoot apical meristem after the production of a defined number of leaves, whereas ears form at the tips of compact axillary branches. Normal maize ears are unbranched, and tassels have long branches only at their base. Many different genes control the architect...

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Xylem

...y xylem is one of the tissues left behind by the apical meristem . Secondary xylem is laid down by vascular cambium on the outside of the xylem column. Contents The xylem sap consists mainly of water and inorganic ions, such as nitrate , although it can contain a number of organic chemicals as we...

Cell membrane

...to the example of epithelial cells in the gut, the apical surfaces of many such cells are dense with involutions, all similar in size. The finger-like projections, called "microvilli", increase cell surface area and facilitate the absorption of molecules from the outside. Synapses are another example of h...

Phloem

...d in phases. Primary phloem is laid down by the apical meristem . Secondary phloem is laid down by the vascular cambium to the inside of the established layer(s) of phloem....

Cell membrane

...to the example of epithelial cells in the gut, the apical surfaces of many such cells are dense with involutions, all similar in size. The finger-like projections, called "microvilli", increase cell surface area and facilitate the absorption of molecules from the outside. Synapses are another example of h...

apical at Biology Dictionary

Wild-type

... dRTA mutants, or the mistargeted protein in the apical membrane neutralizing acid secretion, explains dominant dRTA. Full article >>> one designated B/2, gain the ability to resist infection by normal (" wild-type ") T2. The mutation has caused a change in the structure of their cell ...

Vascular cambium

...d in phases. Primary phloem is laid down by the apical meristem . Secondary phloem is laid down by the vascular cambium to the inside of the established layer(s) of phloem . Categories: Plant physiology Top Encyclopedia Articles ... Full article >>>...

Secondary xylem

...xylem is one of the tissue s left behind by the apical meristem . Secondary xylem is laid down by vascular cambium on the outside of the xylem column. Contents ... Full article >>> Cambium - In older parts of the root, another meristem forms between the xylem and phloem . Mitos...

Secondary phloem

...d in phases. Primary phloem is laid down by the apical meristem . Secondary phloem is laid down by the vascular cambium to the inside of the established layer(s) of phloem . Categories: Plant physiology Top Encyclopedia Articles ... Full article >>> Cambium - In older parts of the r...

Root cap

root cap Structure that covers and protects the apical meristem in plant roots . Cells forming a pr...s at the tip of a plant root that protects the apical meristem . root hair ... Full article >>> root cap A thimble-shaped group of cells...

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apical at Medicine News

Sudden Opioid Withdrawal Results in ‘Broken Heart Syndrome

...can potentially trigger transient left ventricular apical ballooning, also known as broken heart syndrome, in certain susceptible individuals, but further research is needed to determine other associated risk factors, Dr. Arora says. In an accompanying editorial, physicians say more research is necessary ...

Researchers Use Stem Cells to Regenerate Parts of Teeth

...nique relies on stem cells harvested from the root apical papilla, which is responsible for the development ...Shi found the new technique to be superior. "The apical papilla provides better stem cells for root structure regeneration. With this technique, the strengt...

Ceramide Directs Stem Cells in Embryo

...bably 90 percent of ceramide gathers at the top or apical end of these early stem cells, literally helping c...during development. 'Ceramide distributes to the apical end of the cell,' says Kannan Krishnamurthy, MCG graduate student and first author of the study publ...

Lipid Plays Big Role in Embryonic Development

...bably 90 percent of ceramide gathers at the top or apical end of these early stem cells, literally helping c...during development. “Ceramide distributes to the apical end of the cell,” says Kannan Krishnamurthy, MCG graduate student and first author of the study publ...

apical at Medicine Products

XPOSE 3 Access Device

... while maintaining hemodynamics. Designed for both apical and non-apical placement on the heart, this latest generation access device features a dramatically lower profile link arm with new FlexLink technology for exceptional maneuverability and ease of use. The Guidant AXIUS XPOSE Device 3 is intended to ...

XPOSE 4 Device

... while maintaining hemodynamics. Designed for both apical and non-apical placement on the heart, this latest-generation access device features a low-profile link arm for exceptional maneuverability, greater access, and ease of use....

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Point tenderness

...uisite point tenderness at the most medial and apical points of the scar with a specific trigger point in the muscle . Post nephrectomy pain Numbness, fullness, or heaviness in the flank, anterior abdomen , and groin . Full article >>> Immediately after the dislocation , the j...

Medial

...uisite point tenderness at the most medial and apical points of the scar with a specific trigger point in the muscle . Post nephrectomy pain Numbness, fullness, or heaviness in the flank, anterior abdomen , and groin . Full article >>> Much less often, the person with epicondyl...

Lung tumor

...ure, like the lung or the heart . For example, an apical lung tumor is a tumor located at the top of the lung. Search All of MedicineNet For: search help Printer-Friendly Format ... Full article >>> abnormalities of the structure or position of the heart , lungs , or blood vessels b...

Facial swelling

...h cleansing of the infected site by a dentist. See apical abscess . Full article >>> Children are particularly at risk, but anyone taking this medicine should see their physician regularly for tests of liver function and should be alert to symptoms of liver damage, such as yellow skin...