Constriction can occur. Medical search. Frequent questions

In the Drosophila embryo, apical constriction in a strip of epithelial cells along the ventral midline results in the folding of the tissue and the internalization of ventral cells, forming a ventral furrow (VF). (nature.com)
Here, combining the biochemical analysis of enzymatic and motile properties for purified myosin mutants with in vivo measurements of apical constriction for the same mutants, we show that in vivo constriction rate scales with myosin motor activity. (elifesciences.org)
The apical constriction, which corresponds to the smallest diameter of the root canal has been recommended as the ideal apex limit for root canal instrumentation and filling 9-11,15,18,19 . (bvsalud.org)
The apical constriction is at an average distance of 0,59 mm below the major foramen and 0,89 mm below the root apex 12 . (bvsalud.org)
Because the apical constriction is a histological landmark impossible to be clinically determined, it is suggested that the major foramen should be the most reproducible position to measure the working length 7 . (bvsalud.org)
By considering the distance between the apical constriction and the apical foramen, traditionally, the working length is set at 1 mm below the radiographic root apex 4,7,8 . (bvsalud.org)

3,4 The most common ocular finding is constriction or spasm of retinal arterioles, with a decreased retinal artery-to-vein ratio correlating with severity. (aao.org)
➡️ Vasospastic Angina - This type of chest pain occurs when the coronary artery delivering oxygenated blood to the heart suddenly becomes narrow because of the spasm. (healthstatus.com)

VCD occurs when the vocal cords, which are located in the throat and are responsible for producing sound when speaking, suddenly close instead of opening during breathing. (airpurifiers.com)
One of the most common causes of chronic cough is postnasal drip, occurring when excess mucus produced by the nose and sinuses drips down the back of the throat, triggering a cough reflex. (airpurifiers.com)

Hypoxemia with hypoxic cardiac arrest, hypoxic ischemic encephalopathy and death may occur if airway obstruction is complete and not treated in a timely manner. (ahrq.gov)
Warmed, humidified air minimizes airway constriction and the resultant increased airway resistance. (frontiersin.org)

Although this means that stenosis (constriction of the vagina, resulting in loss of depth) will occur, there is no alternative. (avitale.com)
A pathological constriction that can occur above (supravalvular stenosis), below (subvalvular stenosis), or at the AORTIC VALVE. (bvsalud.org)

It was believed that foam rollers release myofascial constrictions that occur due to inactivity, overload, injury, inflammation and disease. (sirc.ca)
Shortness of breath can be caused by a narrowing of the airways due to inflammation, excess mucus production, or muscle constriction. (airpurifiers.com)
The inflammation encourages the tissue cells in the vessel walls to migrate and form a coat around the core to encapsulate and limit the extent of the constriction. (lu.se)

Cold symptoms often occur. (homeopathic.com)
Although visible retinal vascular changes occur in 40 to 100 percent of preeclamptic patients, visual symptoms are reported in 25 to 50 percent. (aao.org)
When they occur, many of the symptoms of prostate cancer are related to constriction of the urethra and involve changes in urine flow. (healthgrades.com)
This causes constriction of the airways, resulting in wheezing , difficulty breathing , and gastrointestinal symptoms such as abdominal pain, cramps, vomiting, and diarrhea. (healingwell.com)
We can compare their X-ray with normal, and if they have symptoms and if their X-ray doesn't demonstrate normal biomechanics, we can teach them "Maggs' Law": When the loading of a tissue exceeds the capacity of that tissue, compensatory physiological changes occur. (chiroeco.com)
These conditions often have asthma-like symptoms and can occur in both children and adults. (airpurifiers.com)
The symptoms of HAVS include cold-induced constriction of the blood vessels in the fingers and hands that result in the skin appearing white. (cdc.gov)

A fistula of this type is an opening between the rectum and the newly-created vagina, and can occur if the surgeon dissects too deeply or the patient dilates improperly. (avitale.com)

A cyclic alteration of constriction and dilation of the inferior turbinates, known as the nasal cycle, occurs approximately every 2-7 hours. (medscape.com)

Bronchospasm definition is - constriction of the air passages of the lung (as in asthma) by spasmodic contraction of the bronchial muscles. (papercritters.com)
Constriction of the bronchial muscles and other reference data is for informational Purposes. (papercritters.com)

Constriction ring syndrome (CRS) is a congenital disorder with unknown cause. (wikipedia.org)
The constriction of appendages by amniotic bands may result in:[citation needed] Constriction rings around the digits, arms, and legs Swelling of the extremities distal to the point of constriction (congenital lymphedema) Amputation of digits, arms, and legs (congenital amputation) There are three different theories to the cause of the constriction ring syndrome. (wikipedia.org)
Because of these other anomalies, the names constriction ring syndrome, constriction band syndrome, and Streeter bands are given to this defect/disease. (wikipedia.org)
Diagnosis of constriction ring syndrome can be confirmed with an ultrasonography. (wikipedia.org)
Dup15q syndrome arises only if the chromosome abnormality occurs on the copy of the chromosome inherited from the mother (the maternal copy). (medlineplus.gov)
The most common chromosome abnormality that leads to 15q11.2-q13.1 duplication, occurring in about 80 percent of people with dup15q syndrome, is called an isodicentric chromosome 15. (medlineplus.gov)
Exudative (or serous) retinal detachment occurs in less than 1 percent of patients with preeclampsia and in 10 percent with eclampsia, although preeclamptic and eclamptic women with HELLP syndrome ( hemolysis/elevated liver enzymes/low platelet count) may be approximately seven times more likely to develop a retinal detachment than those who do not have the syndrome 4 (Figs. 1, 2). (aao.org)

If the constriction is severe, changes associated with hypertensive retinopathy may occur, including diffuse retinal edema, hemorrhages, exudates, and cotton-wool spots. (aao.org)

This is usually caused by a constriction of the arteries that provide blood to the lungs. (ihealthdirectory.com)
Shortness of breath is a feeling of not being able to get enough air into the lungs and can occur at any time for asthma sufferers, even when not engaged in physical activity. (airpurifiers.com)

Which of these creatures likes to prey on other snakes which it kills by constriction? (millerpadsandpaper.com)

Hyperventilation occurs first and increases with the dose inhaled (depends on time of exposure and concentration). (who.int)
b As carrier density increases the electric field is shielded (reduced) at the center of the well and most of the potential drop occurs near the edges. (springer.com)
The energy level separation increases (blue shifts) with increasing wave function confinement (constriction). (springer.com)
For the 12 gauge, which has a nominal bore diameter of .729 inches, choke constriction usually increases in .005-inch increments. (tpwmagazine.com)

If it is too high or too low, a sensation of obstruction may occur. (medscape.com)
However, even in the presence of a normal radius, a sensation of obstruction can occur from turbulent airflow. (medscape.com)

This condition occurs when the tendons around the base of the thumb experience constriction and irritation due to overuse. (differencebetween.net)

In rare cases the constriction ring can form around other parts of the fetus and cause amputation or even intrauterine death. (wikipedia.org)

BP lowering occurred independently of nitric oxide and reflected vascular resistance to adrenergic constriction. (nih.gov)

In some cases a complete "natural" amputation of a digit(s) or limb may occur before birth or the digit(s) or limbs may be necrotic (dead) and require surgical amputation following birth. (wikipedia.org)
citation needed] Individual strands are small and hard to see on ultrasound, so bands are detected indirectly because of the constrictions and swelling upon limbs or digits. (wikipedia.org)

Hydroxyprogesterone Caproate Injection, USP is a sterile, long-acting preparation of the caproate ester of the naturally-occurring progestational hormone, hydroxyprogesterone, in an oil solution for intramuscular use. (nih.gov)
We investigated whether A. can- tonensis occurs naturally in the wild rat and snail populations cantonensis in Rats of Jamaica. (cdc.gov)

Shotgun patterns are controlled primarily by choke, which refers to the amount of constriction relative to the diameter of the bore of the gun barrel. (tpwmagazine.com)
For a given bore diameter, the greater the constriction, the tighter the pattern. (tpwmagazine.com)

If the constriction occurs right at the valve, it is called pulmonary valvular atresia. (aboutkidshealth.ca)

This constriction reduces blood circulation, hence causes congenital abnormalities. (wikipedia.org)
In addition, myocardial contractility is depressed and peripheral vasodilation occurs, leading to decreased cardiac output and arterial blood pressure. (nih.gov)
A vasospasm is a rare type that occurs in a blood vessel. (papercritters.com)
Long-term health problems such as chronic pain and reductions in blood flow to the periphery can occur. (cdc.gov)
Plaque occurs when fat accumulates on the walls of blood vessels. (lu.se)

Pulmonary atresia occurs in about one baby per 14,000 births, and is the tenth most common type of heart disease in newborns. (aboutkidshealth.ca)
Pulmonary hypertension occurs when the pressure in the pulmonary circulation is elevated. (ihealthdirectory.com)

How protection occurs remains unclear, although a causative block in cardiac BCAA oxidation is widely assumed. (nih.gov)

Seek veterinary assistance at once should this occur. (petsupplies.com)

This theory is reinforced by the clinical presentation of the constriction rings with other internal visceral and systematic anomalies. (wikipedia.org)
Recent clinical reports and animal research suggest that these cardiovascular changes are more likely to occur after unintended intravascular injection of bupivacaine. (nih.gov)

Of smooth muscle in the walls of the lumen is - constriction the. (papercritters.com)

On a subsequent exposure, an allergic reaction occurs. (healingwell.com)

The anatomy proximal to the site of constriction (or amputation) is developmentally normal. (wikipedia.org)
An isodicentric chromosome contains mirror-image segments of genetic material and has two constriction points (centromeres), rather than one centromere as in normal chromosomes. (medlineplus.gov)
The act of breathing is a vital biological process that, in normal conditions, occurs through the nose, for the purpose of filtering, humidifying, and heating the inspired air. (frontiersin.org)

However, prolonged, low-level exposures, such as those that occur in the workplace, can lead to olfactory fatigue and tolerance of chlorine's irritant effects. (cdc.gov)

When spontaneous rupture of the amnion occurs early in the second trimester, the separation of amnion from chorion produces many small, thin strands that can become entangled within digits and toes. (wikipedia.org)

Carefully weigh risks and potential benefits of physostigmine therapy when making individual decisions about its use since serious adverse effects (including seizures and asystole) may occur with physostigmine therapy. (drugs.com)
One of the alternative explanations for this general finding of no difference in the outcome of therapy is that different outcomes do occur but are not detected by corrent research strategies. (bvsalud.org)

An exploratory factor analysis suggested two components identified as Congruence/Experientially Fluidity and Incongruence/Experimental Constriction factors. (bvsalud.org)

The depressed stage may occur without a prior excited state. (nih.gov)

These constrictions can lead to pain and restrict motion. (sirc.ca)
No fixed luminal narrowing was seen, but marked constriction of the dominant circumflex artery, ST elevation, and pain occurred during catheterization. (acc.org)

Actual retroflexion may occur as well and both occur as variations of the same sound. (wikipedia.org)

if no response, repeat dose at 5- to 10-minute intervals until response occurs, adverse cholinergic effects develop, or a total dose of 2 mg has been administered. (drugs.com)
may repeat dose every 20 minutes until response occurs or adverse cholinergic effects occur. (drugs.com)

31.5% of clubfoot cases can be correlated with ABS, with 20% occurring bilaterally. (wikipedia.org)

This document does not contain all possible side effects and others may occur. (rxlist.com)

It feels like a chest constriction and happens mainly in the early morning and at night. (healthstatus.com)

Anatomy54

Organisms13

Diseases33

Chemicals and Drugs89

Analytical, Diagnostic and Therapeutic Techniques and Equipment26

Psychiatry and Psychology2

Phenomena and Processes45

Technology, Industry, Agriculture1

Information Science2

Geographicals1

Apical constriction6

Spasm2

Throat2

Airway2

Stenosis2

Inflammation3

Symptoms7

Vagina1

Dilation1

Bronchial2

Syndrome7

Edema1

Lungs2

Prey1

Increases4

Sensation2

Irritation1

Intrauterine1

Vascular1

Limbs2

Naturally2

Diameter2

Valve1

Blood5

Pulmonary2

Cardiac1

Seek1

Clinical2

Muscle1

Allergic1

Normal3

Irritant1

Separation1

Therapy2

Factors1

State1

Pain2

Actual1

Dose2

Cases1

Side1

Early1