Comment identifier un méristème ?

Le méristème se distingue par sa capacité à se diviser activement et à produire de nouvelles cellules.

Quels tests pour évaluer la santé d'un méristème ?

L'observation microscopique et l'analyse de la croissance des tissus peuvent être utilisés.

Quels signes indiquent un méristème endommagé ?

Un méristème endommagé peut montrer un ralentissement de la croissance ou des déformations.

Peut-on prélever un échantillon de méristème ?

Oui, un échantillon peut être prélevé pour des analyses génétiques ou morphologiques.

Quel rôle joue le méristème dans la régénération ?

Le méristème est essentiel pour la régénération des tissus et la formation de nouvelles structures.

Quels symptômes d'un méristème en détresse ?

Les symptômes incluent un arrêt de croissance, des feuilles jaunies ou des déformations.

Comment reconnaître un méristème sain ?

Un méristème sain présente une couleur verte vive et une croissance active sans déformations.

Les maladies affectent-elles le méristème ?

Oui, certaines maladies peuvent provoquer des symptômes comme le flétrissement ou la nécrose.

Quels changements observables dans un méristème malade ?

On peut observer des anomalies de croissance, des taches ou des décolorations.

Le stress environnemental affecte-t-il le méristème ?

Oui, le stress hydrique ou thermique peut altérer la fonction du méristème.

Comment prévenir les dommages au méristème ?

Assurer un arrosage adéquat et éviter les stress environnementaux pour protéger le méristème.

Quelles pratiques culturales protègent le méristème ?

La rotation des cultures et l'utilisation de variétés résistantes aident à protéger le méristème.

L'irrigation affecte-t-elle le méristème ?

Oui, une irrigation appropriée est essentielle pour maintenir la santé du méristème.

Comment éviter les maladies du méristème ?

Utiliser des semences saines et surveiller régulièrement les plantes pour détecter les maladies.

Les conditions de sol influencent-elles le méristème ?

Oui, un sol bien drainé et riche en nutriments favorise un méristème sain.

Comment traiter un méristème endommagé ?

Il est crucial d'améliorer les conditions de culture et d'appliquer des traitements appropriés.

Peut-on régénérer un méristème ?

Oui, la régénération est possible par des techniques de culture in vitro ou de greffage.

Quels produits pour stimuler le méristème ?

Des hormones de croissance comme l'auxine peuvent stimuler l'activité méristématique.

Comment prévenir les infections du méristème ?

Utiliser des désinfectants et maintenir une bonne hygiène des outils de jardinage.

Les engrais affectent-ils le méristème ?

Oui, des engrais équilibrés favorisent la croissance saine du méristème.

Quelles complications peuvent survenir avec un méristème malade ?

Les complications incluent la propagation de maladies et la perte de rendement des cultures.

Un méristème endommagé peut-il affecter d'autres parties ?

Oui, un méristème endommagé peut entraîner des problèmes dans les feuilles et les racines.

Comment les insectes affectent-ils le méristème ?

Les insectes peuvent causer des dommages directs et transmettre des maladies au méristème.

Les carences nutritionnelles impactent-elles le méristème ?

Oui, les carences en nutriments peuvent entraîner un développement anormal du méristème.

Quels risques liés à un méristème mal entretenu ?

Un méristème mal entretenu peut entraîner une croissance réduite et des maladies chroniques.

Quels facteurs augmentent le risque pour le méristème ?

Les stress environnementaux, les maladies et les carences nutritionnelles augmentent les risques.

Les conditions climatiques influencent-elles le méristème ?

Oui, des conditions climatiques extrêmes peuvent nuire à la santé du méristème.

Les pratiques agricoles affectent-elles le méristème ?

Certaines pratiques agricoles inappropriées peuvent endommager le méristème et réduire la croissance.

Les maladies virales impactent-elles le méristème ?

Oui, les maladies virales peuvent gravement affecter la fonction et la croissance du méristème.

Les infestations de ravageurs affectent-elles le méristème ?

Oui, les infestations de ravageurs peuvent causer des dommages directs au méristème.

Méristème - Informations médicales vérifiées

The Patient preference predictor and the objection from higher-order preferences.

03 2023

DOI: 10.1136/jme-2022-108427 PMID: 35777961

Recently, Jardas...

Humans Patient Preference Decision Making Mental Competency

Cultural Differences in Patients' Preferences for Paternalism: Comparing Mexican and American Patients' Preferences for and Experiences with Physician Paternalism and Patient Autonomy.

26 08 2022

DOI: 10.3390/ijerph191710663 PMID: 36078378

Following up on previous research demonstrating the high level of care realized by a paternalistic Mexican physician, the present research further explored the hypothesis that there are cultural diffe...

Decision Making Humans Paternalism Patient Preference Personal Autonomy +2 autres

A stated preference survey to explore patient preferences for novel preventive migraine treatments.

10 2022

DOI: 10.1111/head.14386 PMID: 36047857

The objective of this study was to explore patient preference for attributes of calcitonin gene-related peptide (CGRP) inhibitors for the preventive treatment of migraine and to describe differences i... CGRP inhibitors are a novel class of migraine drugs specifically developed for the preventive treatment of migraine. Clinicians should understand patient preferences for CGRP inhibitors to inform and ... Patients with migraine in the US and Germany were recruited to participate in an online discrete choice experiment (DCE) survey, which presented hypothetical treatment choices using five attributes: m... Of 680 who consented to participate, 506 participants completed the survey and were included in the study (US = 257; Germany = 249). Overall, participants placed highest importance (preference weight,... In this DCE assessing CGRP inhibitors attributes, the main driver of patient choice was treatment effectiveness, specifically reduced migraine severity, and consistent treatment effectiveness. Further...

Humans Patient Preference Calcitonin Gene-Related Peptide Migraine Disorders Germany +1 autres

Patient-Preference Diagnostics: Adapting Stated-Preference Methods to Inform Effective Shared Decision Making.

02 2023

DOI: 10.1177/0272989X221115058 PMID: 35904149

While clinical practice guidelines underscore the need to incorporate patient preferences in clinical decision making, incorporating meaningful assessment of patient preferences in clinical encounters... We propose an approach to efficiently diagnose preferences of patients for outcomes of treatment alternatives by leveraging prior information on patient preferences to generate adaptive choice questio... We identified 4 classes representing distinct preference profiles for patients who participated in a previous first-time anterior shoulder dislocation (FTASD) survey. Posterior probabilities of class ... Our results suggest that this approach could help diagnose patient preferences for treatments for a condition such as FTASD with acceptable precision using as few as 2 choice questions. Such preferenc... Approaches that combine patient preferences and clinical evidence can facilitate effective patient-provider communication and more patient-centric healthcare decisions. However, diagnosing individual-...

Humans Decision Making, Shared Patient Preference Shoulder Dislocation Surveys and Questionnaires +3 autres

Patient Preferences for Lung Cancer Interception Therapy.

01 Nov 2023

DOI: 10.1001/jamanetworkopen.2023.42681 PMID: 37948077

Interception therapy requires individuals to undergo treatment to prevent a future medical event, but little is known about preferences of individuals at high risk for lung cancer and whether they wou... To explore preferences of individuals at high risk for lung cancer for potential interception therapies to reduce this risk.... This survey study used a discrete-choice experiment and included hypothetical lung cancer interception treatments with 4 attributes: reduction in lung cancer risk over 3 years, injection site reaction... Attribute-level preference weights were estimated, and conditional relative attribute importance, maximum acceptable risks, and minimum acceptable benefits were calculated. Characteristics of responde... Of the 803 survey respondents, 495 (61.6%) were female, 138 (17.2%) were African American or Black, 55 (6.8%) were Alaska Native, American Indian, or Native American, 44 (5.5%) were Asian or Native Ha... In this survey study of individuals at high risk of lung cancer, most respondents were willing to consider interception therapy. These results suggest the importance of benefit-risk assessments for fu...

Adult Humans Female Male Lung Neoplasms +4 autres

Adaptation of the WOMAC for Use in a Patient Preference Study.

Jul 2023

DOI: 10.1007/s43441-023-00510-8 PMID: 37061632

To adapt a patient-reported outcome (PRO) measure, the Western Ontario McMaster Universities Osteoarthritis Index (WOMAC), into efficacy attributes for a discrete choice experiment (DCE) survey design... The adaptation comprised four steps: (1) selecting domains of interest; (2) determining presentation and framing of selected attributes; (3) determining attribute levels; and (4) developing choice tas... The WOMAC pain and function domains were selected for adaption to two efficacy attributes. Two versions of the discrete choice experiment (DCE) instrument were created to compare efficacy using (1) to... This study adds to the growing literature regarding adapting PRO measures for patient preference studies. Such adaptation is important for designing a preference study that can incorporate a clinical ...

Humans Female Middle Aged Male Patient Preference +4 autres

Patient Preferences for Waiting Time and Kidney Quality.

09 2022

DOI: 10.2215/CJN.01480222 PMID: 35985699

Approximately 20% of deceased donor kidneys are discarded each year in the United States. Some of these kidneys could benefit patients who are waitlisted. Understanding patient preferences regarding a... This study uses a discrete choice experiment that presents a deceased donor kidney to patients who are waiting for, or have received, a kidney transplant. The choices involve trade-offs between accept... In total, 605 participants completed the discrete choice experiment. Respondents made trade-offs between kidney quality and waiting time. The average respondent would accept a kidney today, with 6.5 y... Participants preferred accepting a lower-quality kidney in return for shorter waiting time, particularly those who were older and had lower functional status....

Humans United States Middle Aged Kidney Failure, Chronic Patient Preference +4 autres

Preference of acromegaly patients for treatment attributes in Spain.

11 2023

DOI: 10.1007/s12020-023-03462-z PMID: 37507554

Acromegaly is a rare disease caused by increased growth hormone secretion and a subsequent increase in insulin-like growth factor I (IGF-I) levels. Patients display multiple comorbidities that affect ... A cross-sectional study based on interviews and a discrete choice experiment (DCE) in a Spanish cohort.... Adult patients diagnosed with acromegaly ≥1 year before the start of the study and under treatment were included. Treatment attributes were collected from patient testimony during face-to-face intervi... Sixty-seven patients completed the study. QoL improvement was the most important treatment attribute (37%), followed by IGF-I control (20%), blood sugar control (17%) and tumour control (13%). Seconda... QoL greatly influences patient treatment preference. Since acromegaly patients are informed and aware of their disease, treatment choices should always be shared with patients....

Adult Humans Quality of Life Insulin-Like Growth Factor I Acromegaly +3 autres

How culture influences patient preferences for patient-centered care with their doctors.

07 2023

DOI: 10.1080/17538068.2022.2095098 PMID: 37401877

Patient-centered care (PCC) is the prevailing model of care globally. However, most research on PCC has been conducted in Westernized countries or has focused on only two facets of PCC: decision-makin... Participants (... Participants from all four countries had similar preferences for empathy and shared decision-making. For other facets of PCC, participants in the Philippines and Australia expressed somewhat similar p... Empathy, information exchange, and shared decision-making are values shared across countries, while preferences for how the information is shared, and the importance of the doctor-patient relationship...

Humans Patient Preference Physician-Patient Relations Decision Making Australia +1 autres

Understanding treatment preferences and cognitive outcomes in patients with gliomas.

18 Sep 2024

DOI: 10.1007/s00520-024-08876-7 PMID: 39292365

Understanding how glioma patients value cognitive outcomes is essential to personalizing their treatment plans. The purpose of this study was to identify the modifiable cognitive functions most affect... Patients with gliomas were prospectively enrolled in focus groups and individual interviews using a standardized guide focusing on cognitive functions until saturation was achieved. Patient values and... Twenty participants participated, of whom 60% were female. Racial identification consisted of 75% White, 15% Black/African American, and 10% Other Racial Identification. The cognitive functions most e... Glioma patients in this study prioritized cognitive functions according to memory, personal identity, and their ability to communicate with loved ones independently of experiencing deficits in these f...

Humans Glioma Female Male Quality of Life +8 autres

Méristème : Questions médicales fréquentes

Termes MeSH sélectionnés :

Questions fréquentes et termes MeSH associés

Diagnostic 5

Symptômes 5

Prévention 5

Traitements 5

Complications 5

Facteurs de risque 5

Contenu validé par Dr Olivier Menir

Sous-catégories

Cambium

Coiffe racinaire

Auteurs principaux

Sources (10000 au total)