Sentences with word «motile»

The study, which is published today (Thursday) in Human Reproduction, has found that these men, who were aged between 18 to 22, had almost half the sperm concentration and a two-fold lower total sperm count [1] and total count of motile sperm (sperm that could swim well) than did naturally conceived men of a similar age.

Moreover, the total number of motile sperm was lower in Missouri compared to the urban areas — almost 50 % lower than in Los Angeles participants.

As an added bonus, many motile invertebrates will become more active when blue lights are on.

The name comes from the posterior location of the flagellum in motile cells, such as most animal sperm, whereas other eukaryotes tend to have anterior flagella.

What they found was the new strain of Bacillus pumilus, a unique, highly motile Gram - positive bacterium capable of colonizing the mung bean plant without causing any harm.

Although the number was the same, men who had viewed the images featuring both sexes had more motile sperm (Biology Letters, DOI: 10.1098 / rsbl.2005.0324).

A team led by Hisataka Sabe at Hokkaido University Graduate School of Medicine in Sapporo, Japan, suspected that the MVP might promote invasiveness by activating the Arf6 signaling pathway, which enhances cancer cell invasion and metastasis by promoting the cells» transition to a more motile state.

The aim of the research was to answer fundamental questions about: would it be possible for a set of active or self - motile agents to drive a quantity of passive agents?

Clinical infection is caused by a variety of gram negative motile spirochetes in the genus Leptospira.

In general, motile inverts gain little energy directly from sunlight.

After three to six months of staying out of the bath, the men's average active sperm count i «had a mean increase in total motile sperm counts of 491 %.»

By using in vivo two - photon imaging in neocortex, we found that microglial cells are highly active in their presumed resting state, continually surveying their microenvironment with extremely motile processes and protrusions.

Although this method is efficient at selecting motile and morphologically normal sperm, the process is problematic because it tends to increase levels of certain chemicals that cause DNA damage.

Loss of Alix (right) also results in defective orientation of motile cilia in the ependyma — the protective epithelial barrier between brain and cerebrospinal fluid.

Our experiments demonstrate that motile microorganisms such as Tetrahymena pyriformis swim actively with the PAHs, and it is important to notice that the ciliates can swim faster than PAHs can be transported by means of diffusion.

Giardia living in your cat's intestine are single - celled creatures (protozoa) that move about by means of long motile filaments (four pairs of flagella).

Giardia living in your dog's intestine are single - celled creatures (protozoa) that move about by means of long motile filaments (four pairs of flagella).

Together they form a basic, binary construction of both fixed and motile elements.

5 The analogy is imperfect because motile cells such as white blood cells are not connected to other cells and so, according to this model, would be completely surrounded by interstitial stuff.

New research finds that sperm counts are lower — and sperm less motile — in rural areas.

Sensory neurons send hormones to the female reproductive tract that convert fat precursors (green) into prostaglandins, which guide motile sperm (magenta) to the fertilization site (yellow).

Actually, the bacteria proliferate most effectively in this stationary state, while motile bacteria reproduce at a notably lower rate.

Over the 26 years of the study, they found a striking decrease in the percentage of normal motile sperm.

Dr Andrew Povey, from the University of Manchester's Institute of Population Health, said: «This research builds on our study of two years ago which looked at the risk factors associated with the number of swimming sperm (motile concentration) in men's ejaculates.

This is particularly important for the creation of completely human - made mixtures because the self - motile particles that can be manufactured to stand in for bacteria, such as Janus particles, light - activated particles, polymer based nanomotors and robotic swarms, are difficult to manufacture.

Though they only studied two types of bacteria, the researchers predict in their paper that «this phenomenon should apply very broadly to many different motile microbes.»

This technique spins the sperm samples around quickly, and at the end, the most motile sperm are used for reproductive medicine.

In the first year, NMSU research projects will include bio-inspired soil reinforcement, a study of the mechanisms of root growth and mechanical reinforcement in unsaturated soil; bio-enhanced removal of contaminants in groundwater; revegetation of degraded top soils, stripped lands or salinized and eroded soils; and development of self - motile probe for multi-sensor deployment for subsurface investigations.

This would be consistent with the coevolution of cooperation and dispersal more generally, either via movement in motile organisms or passive transport in sessile species, which has been well - explored [74 — 80].

Cordula Reuther (Diez, MPG)-- «Patterning planar surfaces with motor proteins: towards spatial control over motile microtubules» (2009)

Cilia are highly conserved organelles that play various motile and sensory functions in many eukaryotes.

The researchers studied between 42 and 97 dogs each year, collecting samples in order to measure the levels of healthy motile sperm, that is, sperm capable of reaching the egg.

As expected, culture of tissues from infected monkeys (treated or untreated) did not yield motile spirochetes.

He also uncovered a new mechanism of active - site cooperativity distinct from allostery in enzyme activity and elucidated unexpected mechanisms of active - site coupling in his multienzyme complexes based on motile protein domains.

The 54 young men in the study — all conceived by infertility treatments — had about half the sperm concentration, nearly one - third the sperm count and fewer motile sperm (sperm that can swim well) than men who were conceived naturally, the investigators said.

Artificial insemination for dogs begins with analyzing the collected sperm cells to ensure that they are sufficiently concentrated, adequately motile, and that they appear anatomically normal.

The active and motile form, called trophozoites, are the stage which lives in the intestines of an affected mammal.

Not every customer will be familiar with the many diverse types of motile marine animals, so you need to be their mentor in this almost secret world.

Fish can fight with each other, corals can fight with each other, and yes, even motile invertebrates fight among themselves.

Motile means they have the ability to move around freely on their own accord.

In the catalogue accompanying the exhibition, Jodoin examines the modernist belief in sculpture as an autonomous visual object located in idealized space, countering this notion by another idea equally modernist — sculpture as a palpable, sensory, motile subject.

In fact, the same practice extends to all reef animals, including coral and motile invertebrates as well.

Computer simulations were created and analyzed to visualize flow patterns through the adjustment of two parameters, the density of the fluid space, dependent on the number of particles or agents in the mixture and the strength of the self - motile agents to propel themselves.

Both the progenitor cells and the tumor cells are mitotic and in some cases highly motile.

These proteins cause the cells to change their shape and become more motile, allowing them to move to different sites.

Although sperm concentrations and counts were lower in the ICSI men than in their spontaneously conceived peers, the researchers found that a low sperm concentration and total motile sperm count in fathers did not correlate with corresponding values in their sons.