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Acid-fast
Acid-fast (مقاوم للأحماض) is a technical term used primarily in microbiology and medical sciences to describe bacteria or microorganisms that can resist decolorization by acids during staining procedures. This characteristic is particularly important in identifying mycobacteria, especially Mycobacterium tuberculosis, the causative agent of tuberculosis. The term is essential in clinical diagnostics and laboratory medicine.
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البكتيريا المسببة للسل هي بكتيريا مقاومة للأحماض.
Al-bakteerya al-musbibba li-al-sul hiya bakteerya muqawwima li-al-aḥmāḍ.
The bacteria that causes tuberculosis is an acid-fast bacterium.
يستخدم الفحص المجهري لتحديد البكتيريا المقاومة للأحماض في العينات السريرية.
Yastakhdim al-faḥṣ al-mijharī li-taḥdīd al-bakteerya al-muqawwima li-al-aḥmāḍ fī al-'ayinah al-surīrīya.
Microscopic examination is used to identify acid-fast bacteria in clinical samples.
صبغة زيل نيلسن تُستخدم للكشف عن الكائنات المقاومة للأحماض.
Ṣibghat Ziehl-Neelsen tustaḫdum li-al-kashf 'an al-kā'ināt al-muqawwima li-al-aḥmāḍ.
Ziehl-Neelsen stain is used to detect acid-fast organisms.
الخصائص المقاومة للأحماض تميز بعض أنواع المتفطرات.
Al-khṣā'iṣ al-muqawwima li-al-aḥmāḍ tumayyiz ba'ḍ 'anwā' al-mutafaṭṭirāt.
Acid-fast properties distinguish certain species of mycobacteria.
الاختبارات المقاومة للأحماض ضرورية لتشخيص السل في المختبرات الطبية.
Al-ikhtibarāt al-muqawwima li-al-aḥmāḍ ḍarūrīya li-taskhīṣ al-sul fī al-mukhṭabārāt al-ṭibbīya.
Acid-fast tests are essential for diagnosing tuberculosis in medical laboratories.
In Arab medical and scientific communities, understanding acid-fast bacteria is crucial given the prevalence of tuberculosis in certain regions. Medical education in Arab countries emphasizes the importance of acid-fast staining techniques in clinical diagnostics. This term reflects the advancement of modern medical science in Arabic-speaking countries and is widely used in hospitals and research institutions throughout the Arab world.
This is a specialized medical/scientific term used primarily by healthcare professionals, laboratory technicians, and medical students. When learning this term, remember it's always used as a compound adjective (مقاوم للأحماض) rather than standalone. Context is typically clinical or academic, so you'll encounter it in medical textbooks, laboratory reports, and clinical discussions about infectious diseases.
مقاوم للأحماض (acid-fast) is a specialized term in microbiology and medical sciences that describes the characteristic property of certain bacteria, particularly mycobacteria, to resist decolorization by acids during staining procedures. The term literally translates to "resistant to acids" in English and is composed of two parts: مقاوم (resistant) and للأحماض (to acids).
In clinical and laboratory settings, acid-fast bacteria are identified through specific staining techniques that take advantage of their unique cell wall composition, which contains mycolic acids that make them impervious to standard staining procedures used for other bacteria.
The discovery of acid-fast staining was revolutionary in medical microbiology. The Ziehl-Neelsen staining method, developed in the late 19th century, became the gold standard for identifying acid-fast bacteria. In Arabic-speaking medical communities, this term became essential after tuberculosis was recognized as a major public health concern.
Bacteria that are مقاوم للأحماض have a distinctive cell wall structure composed of mycolic acids and lipids. This composition makes them resistant to many conventional antibiotics and disinfectants, which explains both their medical significance and the challenge they present in treatment. The most clinically important acid-fast bacterium is Mycobacterium tuberculosis, the causative agent of tuberculosis (السل in Arabic).
Other acid-fast bacteria include Mycobacterium leprae, which causes leprosy, and various non-tuberculous mycobacteria that can cause respiratory and skin infections.
In laboratory medicine, identifying acid-fast bacteria requires specific staining procedures. The Ziehl-Neelsen stain is the most common method, where acid-fast organisms appear bright red or pink against a blue background when viewed under a microscope. Modern laboratories also use fluorescent stains like auramine-rhodamine for faster identification.
The acid-fast property is crucial for diagnosing tuberculosis and other mycobacterial infections. In many Arab countries, tuberculosis screening programs rely heavily on acid-fast sputum smear microscopy. This simple, cost-effective diagnostic method remains vital in resource-limited settings throughout the Middle East and North Africa.
Medical professionals in Arab countries encounter this term regularly when:
When learning about acid-fast bacteria, students and professionals should familiarize themselves with related terms such as:
The acid-fast nature of mycobacteria has several clinical implications. These bacteria grow slowly, require special culture media, and are difficult to treat due to their resistant cell wall. Treatment of tuberculosis requires lengthy antibiotic courses, often spanning six months or more, specifically because of the bacteria's acid-fast properties.
For English speakers learning Arabic medical terminology, مقاوم للأحماض is best understood in its clinical context. It's typically encountered in medical textbooks, laboratory protocols, and clinical discussions rather than in everyday conversation. The term is always used as a compound adjective, modifying nouns like bacteria (بكتيريا), organisms (كائنات), or tests (اختبارات).
Understanding مقاوم للأحماض (acid-fast) is essential for anyone studying medicine, microbiology, or public health in Arabic-speaking contexts. This term represents a fundamental concept in modern medical diagnostics and remains critical for combating tuberculosis and other mycobacterial diseases in Arab countries and worldwide.