نتایج جستجو برای: celled structure

تعداد نتایج: 1568886  

Journal: :Proceedings of the Royal Society of Medicine 1916

Journal: :Mechanisms of ageing and development 2006
Leah R Johnson Marc Mangel

The disposable soma theory of aging was developed to explore how differences in lifespans and aging rates could be linked to life history trade-offs. Although generally applied for multicellular organisms, it is also useful for exploring life history strategies of single-celled organisms such as bacteria. Motivated by recent research of aging in E. coli, we explore the effects of aging on the f...

Journal: :Journal of neurophysiology 2002
Milton Pong Kris M Horn Alan R Gibson

Traditionally, the red nucleus of the cat is divided into two parts: a large-celled, magnocellular, division (RNm) and a small-celled, parvicellular, division (RNp). The RNm projects to the spinal cord and receives input from the cerebellar interpositus nucleus. The RNp projects to the inferior olive and receives input from the cerebellar dentate nucleus. In this report, we reexamine the connec...

Journal: :Proceedings of the Royal Society of Medicine 1925

Journal: :The American Journal of the Medical Sciences 1895

Journal: :Proceedings in applied mathematics & mechanics 2023

The design freedom provided by additive manufacturing offers new opportunities to fabricate novel structures with a high lightweight potential, such as strut-based lattice structures. These consist of periodically repeated unit cells and can be used in several applications due their outstanding mechanical performance. One the possible are cores sandwich panels since lattices offer comparable pr...

2013
David Gresham

Selection favours single-celled mutants that stick together when a sugar needed for growth is in short supply, suggesting that multicellular life may have evolved as a by-product of selection for more efficient usage of resources.

2012
Michael G Hadfield

Bacteria have a role in the formation of colonies by a species of single-celled organisms whose ancestors gave rise to the animals, which suggests that bacteria might also have influenced the origin of multicellularity in animals.

Journal: :Proceedings of the Royal Society of Medicine 1927

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