Sentences with phrase «by dorsal»

These whales are especially characterized by the dorsal fins present in their ventral pleats and their backs.
Cheyletiellosis (walking dandruff): is another common form of mange, which is usually characterized by a dorsal (on the back) distribution of redness and skin scaling with patchy hair loss.
The largest amount of pollen was found on the waist, followed by the dorsal areas of thorax and abdomen.
The researchers used a small boat to tow an array of underwater microphones, called hydrophones, about 2 meters below the surface and recorded the sounds of individual dolphins identified by their dorsal fins.

Not exact matches

The numbers are getting lower each year as more sharks die as by - catch in fishing operations and get hunted for their dorsal fins.
Country - Style Ribs are steaks made from any portion of the Chuck Eye Roll that are cut into two pieces by slicing individual steaks in half with a cut that starts at the ventral side and ends at the dorsal side
The shaved dorsal surface of each mouse was initiated by topical application of DMBA (200 nmol) in acetone.
Up to 100 million sharks are killed each year by finning: Fishermen cut off a shark's dorsal fin to sell as a delicacy and dump the wounded animal back into the ocean to die.
Previous research by Lee's lab had shown that p75 is involved in a signaling pathway that regulates the development of sensory neurons — cells which transmit our sensation of pain, touch and muscle tension — in the dorsal root ganglia.
There was never a huge number of these freshwater dolphins, characterized by a long, tapering snout and a crestlike, remnant dorsal fin; the several thousand reported in ancient accounts had dwindled to just a few hundred by last decade.
A team headed by Hanns Ulrich Zeilhofer from the Institute of Pharmacology and Toxicology at the University of Zurich did now reveal which inhibitory neurons in the spinal cord are responsible for this control function: As the study published in the science journal Neuron shows, the control cells are located in the spinal dorsal horn and use the amino acid glycine as an inhibitory messenger.
That gene, called Wnt - 7a, is also suppressed by Engrailed - 1, so it is active on only one side of the AER, and that side becomes the dorsal side, the researchers found.
The study, «Transcriptome Sequencing Implicates Dorsal Striatum - Specific Gene Network, Immune Response and Energy Metabolism Pathways in Bipolar Disorder,» [http://www.nature.com/mp/journal/vaop/ncurrent/full/mp201694a.html] was supported by funding from the State of Florida.
By adding stromal cell - derived factor 1 (SDF1) between days 28 - 35, they were able to generate a continuous neuroepithelial structure with dorsal - ventral polarity.
Researchers tested several factors, and found that adding FGF19 around day 14 to the FGF2 - treated cells caused several flat oval neuroepithelium to form by day 35, expressing dorsal - specific markers on the outside and ventral - specific markers on the inside.
Field observations of flower - visiting bees (Apis mellifera, different species of Bombus and other genera) at mainly species of Orobanchaceae and Fabaceae have demonstrated that after pollen accumulation on the bees» bodies by the pollen - sacs) and subsequent grooming, residual patches of pollen patches remain in specific areas of the bees» body, mainly on the dorsal and ventral midline of the head, thorax and abdomen [31 — 42].
Dorsal root ganglion (DRG) explants from embryonic day 15 rat embryos (Charles River Laboratories, Wilmington, MA) were isolated as described by Kleitman et al. (1998).
Salvia pratensis flower visited by B. terrestris with the dorsal thorax touching the pollen - sacs (see arrow)(A) and the stigma (see arrow)(B), B. terrestris under UV - illumination with luminous pigment on the thorax deposited by the pollen - sacs (C) and the stigma (D) of Salvia pratensis, and on the head deposited by the pollen - sacs (E) and the stigma (F) of S. officinalis.
While the dorsal striatum displayed more substantial activation when participants were perturbed by the positive and negative rewards, the ventral striatum activity was only higher for the positive reward.
Recently, Pang and his team found that though cone degeneration in Rpe65 - deficient mice begins by 14 days after birth, a few cones in the peripheral dorsal and temporal quadrants of the retina still function at five weeks and perhaps later, when virtually all other cones are degenerated.
We have recently shown that in avian embryos, muscle formation is initiated by Delta1 - positive neural crest cells migrating from the dorsal neural tube that, in passing, trigger NOTCH signalling and myogenesis in selected epithelial somite progenitor cells, allowing them to migrate into the nascent muscle to differentiate.
Postembryonic neuronal addition in Zebrafish dorsal root ganglia is regulated by Notch signaling.
By using a new mounting technique, we became able to observe Tribolium embryogenesis for up to 50 hours along multiple directions, documenting all major embryogenic events such as gastrulation, germ band elongation, germ band retraction and dorsal closure continuously in the same specimen.
Scientists study dorsal closure, which occurs during the development of the fruit fly Drosophila melanogaster, to gain insights into wound healing in humans, as both processes involve closing a gap in the skin by stretching the surrounding epithelial cells over it.
Upon receipt in the dorsal horn (DH) of the spinal cord, nociceptive (pain - signalling) information from the viscera, skin and other organs is subject to extensive processing by a diversity of
Injecting the dorsal aorta allows the allele to be picked up by primordial germ cells circulating in the blood before migrating to the gonads, thereby incorporating genome edits into the germ - line.
In this study, they examined anti-correlations of different subnetworks within the DMN during rest using both seed - based and point process analyses, and discovered that: (1) the ventral branch of the DMN (vDMN) yielded significantly weaker anti-correlations than that associated with the dorsal branch of the DMN (dDMN); (2) vDMN anti-correlations introduced by GSR were distinct from dDMN anti-correlations; (3) PCC / precuneus seeds employed by earlier studies mapped to different DMN subnetworks, which may explain some of the inconsistency (in addition to preprocessing steps) in the reported DMN anti-correlations.
Two of such modules are the ventral (superior parietal cortex as well as superior and medial frontal gyri) and dorsal (superior parietal cortex, superior and dorsal lateral frontal, and precentral gyri) attention networks identified by previous fMRI analyses [3].
For the simultaneous visualization of hemolymph flow through the heart and ventral abdominal contractions, as well as the quantification of hemolymph flow speeds in the lateral abdomen, mosquitoes were restrained laterally by placing pins: (1) on either side of the cervical membrane such that they crossed dorsally and restrained the mosquito between the pins and the Sylgard; (2) through non-vascular portions of each wing after they had been teased away from the abdominal tergum; (3) between the wings and the anterior portion of the abdomen; (4) over the legs, entering the Sylgard posterior to the third leg pair; and (5) immediately dorsal of the longitudinal midline of the scutum (Figure 1B).
The animal was long used for the study of embryology, and during the 1930s, doctors started using it for pregnancy tests, too: If you inject the dorsal lymph sac of a Xenopus with urine from a pregnant woman, the animal will start laying eggs by the end of the day.
Carbohydrate which has been directly assessed (not deduced by subtraction of other components from total weight of sample) is significant in amount, reaching levels in the range 8 — 30 %, except in the anterior dorsal and ventral regions (head) where levels are 6 % and < 1 %, respectively.
These syndromes are characterized by specific patterns of muscle weakness and tightness that cross between the dorsal and the ventral sides of the body.
You tell by looking from the dorsal to the tail fin.
So clumsy was Sharknado 3, it seemed slapped together by someone with dorsal fins rather than opposable thumbs.
Improving Dorsal Stream Function in Dyslexics by Training Figure / Ground Motion Discrimination Improves Attention, Reading Fluency, and Working Memory.
My first glimpse of Project One came from a second story balcony, revealing a sculptural, wasp - waisted shape bisected by a contrasting air intake and dorsal fin in matte black carbon fiber.
Depending on the exact nature of the disease as determined by advanced imaging, some cases of cervical stenosis respond to a surgical procedure known as a dorsal hemilaminectomy.
Large syrinxes leading to damage to the dorsal part of the spinal cord are leading to abnormal behaviour seen by cavalier King Charles spaniels.
This is done by palpation of the subcutaneous dorsal midline from the base of the skull to the insertion of the tail.
The joints continue to develop normally as long as full congruity is maintained between the acetabulum and the femoral head... The acetabular rims are stimulated to grow by mild traction applied by the joint capsule and gluteal muscles attached along their dorsal borders, and from pressure by the femoral heads upon the articular surfaces... The morphologic characteristics of the complex hip structure show that biomechanical behavior is the prime influence in the growth of this joint.»
Pulse quality of both femoral and dorsal metatarsal arteries was assessed by digital palpation.
The Kenyan version is particularly pretty, with a chocolate background highlighted by bright orange dorsal patterns.
The center of the circle (F) was used as a vertex and the occipital circle could also be used as an assessment of the size of the caudal cranial fossa by measuring the distance and angulation of the point where the circle bisected to the dorsal cerebellum (E).
The precision of body composition analysis by DXA was excellent, although it was marginally better in dorsal recumbency than in lateral recumbency, and differed slightly between operators.
Our guides can often distinguish different orca clans by the sounds that they make and even identify many of the individual orcas through the shapes and markings of their dorsal fins.
«Remora front dorsal fins have evolved to enable them to adhere by suction to smooth surfaces and they spend their lives clinging to a host animal such as a whale, turtle, shark or ray.
Gray Whales are distinguished from Humpbacks by their lack of a dorsal fin, among other characteristics.
By luring sharks in and photographing their unique dorsal fins, the scientists from UC Davis and Stanford University could count individuals.
As he swam, his companions were startled by the appearance of two dorsal fins — great white sharks, heading straight toward Jones.
Their ventral skin is a whitish color, and the dorsal and ventral skin is separated by a dark brown lateral stripe from the eyes to the groin.
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