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Muscle tissue

A chicken heart muscle cell under a fluorescent microscope; the filaments consist of repeated subunits (bright dotted lines). The schematic representation shows three neighboring filaments; the black lines are the boundaries of their subunits, such that the lower filament is aligned with the middle one, while the upper one is not
In a Heartbeat
26.02.2015
Materials Science
A new model shows that the filaments in heart muscle cells don't automatically keep the beat
 
Muscle fibers of a fruit fly larva viewed under a confocal microscope: A normal fiber has normally-shaped, properly distributed nuclei (A), whereas the nuclei of fibers with mutated MSP-300 or its interacting proteins Klar and Klaroid are distorted and distributed abnormally (B, C and D)
Use It or Lose It
11.02.2015
Molecular and Cell Biology, Genetics

Why do muscles lose their strength without exercise?
Use It or Lose It
Use It or Lose It
25.12.2014
Molecular and Cell Biology

Why do muscles lose their strength without exercise?
Running muscles may be predominantly fast- or slow-twitch
Completing the Metabolite Picture
27.05.2014
Particle Physics, Chemistry, Technology & Applications

A new MRI-based method can detect metabolite levels in real time
(l-r) Dr. Benjamin Friedrich, Prof. Samuel Safran, Dr. Yair Shokef and Elon Langbeheim. Looking underneath
Just Stiff Enough
26.04.2011
Stem Cells, Materials Science, Structural Biology

Developing cells “feel” what is underneath and take shape accordingly
Mouse embryo skeleton showing sites of initial bone formation (stained red) and cartilage (green and blue), which will later be replaced by bone
Outside Influences
01.10.2009
Molecular and Cell Biology, Evolution and Development, Genetics
Do developing organs give each other directions?
(l-r) Shari Carmon, Dr. Vera Shinder, Prof. Ben-Zion Shilo, Rada Massarwa and Dr. Eyal Schejter. Unraveling cell fusion
Muscling In
01.05.2007
Molecular and Cell Biology, Evolution and Development, Genetics
Embryonic cells must merge to form muscle fiber

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