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العلوم ACT - علم الأعصاب والكيمياء الحيوية للدم

هنا سوف تتعلم بعض الكلمات الإنجليزية المتعلقة بعلم الأعصاب والكيمياء الحيوية للدم، مثل "ليبتين"، "جريلين"، "تشابك عصبي"، إلخ. التي ستساعدك على اجتياز اختبارات ACT الخاصة بك.

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بطاقات الفلاش

الهجاء

اختبار قصير

ابدأ التعلم
ACT Vocabulary for Science
neurogenesis
neurogenesis
[اسم]

the process by which new neurons are generated in the brain, occurring primarily during prenatal development but also continuing into adulthood in certain brain regions

تكوين الخلايا العصبية, توليد الخلايا العصبية

تكوين الخلايا العصبية, توليد الخلايا العصبية

Ex: Physical exercise has been shown to enhance neurogenesis in the hippocampus, a brain region important for learning and memory. 
synesthesia
synesthesia
[اسم]

a neurological phenomenon where stimulation of one sensory or cognitive pathway leads to automatic, involuntary experiences in a second sensory or cognitive pathway

التخاطر, التخاطر

التخاطر, التخاطر

Ex: In synesthesia, hearing music may evoke the perception of colors or shapes. 
sensation
sensation
[اسم]

a physical perception caused by an outside stimulus or something being in touch with the body

إحساس, إدراك

إحساس, إدراك

Ex: The cold water created a tingling sensation on her skin. 
neuron
neuron
[اسم]

a cell that is responsible for transmitting nerve impulses between the brain and the rest of the body

عصبون, خلية عصبية

عصبون, خلية عصبية

Ex: Neurons transmit signals at speeds of up to 120 meters per second. 
white matter
white matter
[اسم]

the tissue in the central nervous system composed of myelinated nerve fibers

المادة البيضاء, المادة البيضاء العصبية

المادة البيضاء, المادة البيضاء العصبية

parietal cortex

the outer layer of neural tissue in the parietal lobe involved in sensory processing and spatial awareness

القشرة الجدارية, قشرة الجدار

القشرة الجدارية, قشرة الجدار

short-term memory

the temporary storage of information that is currently being used or actively processed by the brain, typically for a few seconds to a few minutes

الذاكرة قصيرة المدى, الذاكرة المؤقتة

الذاكرة قصيرة المدى, الذاكرة المؤقتة

Ex: Short-term memory allows us to remember a phone number long enough to dial it. 
neurotransmitter

a chemical substance that transmits messages from a neuron to another one or to a muscle

ناقل عصبي

ناقل عصبي

Ex: Dopamine is a neurotransmitter involved in mood regulation. 
hippocampus
hippocampus
[اسم]

a curved structure in the brain responsible for memory formation, learning, and spatial navigationa curved structure in the brain responsible for memory formation, learning, and spatial navigation

الحصين, بنية منحنية في الدماغ مسؤولة عن تكوين الذاكرة

الحصين, بنية منحنية في الدماغ مسؤولة عن تكوين الذاكرة

neuroscientist

a scientist who studies the structure, function, and disorders of the nervous system, including the brain and spinal cord

عالم الأعصاب, متخصص في علوم الأعصاب

عالم الأعصاب, متخصص في علوم الأعصاب

Ex: The neuroscientist conducted experiments to investigate the effects of dopamine on decision-making. 
synapse
synapse
[اسم]

a junction between two nerve cells, consisting of a minute gap across which impulses pass by diffusion of a neurotransmitter

المشبك العصبي, تقاطع بين خليتين عصبيتين

المشبك العصبي, تقاطع بين خليتين عصبيتين

Ex: Neurotransmitters released into the synapse bind to receptors on the receiving neuron, facilitating the transmission of nerve impulses. 
connectome
connectome
[اسم]

a comprehensive map or diagram that depicts the complete set of neural connections within a nervous system

كونكتوم, خريطة الاتصالات العصبية

كونكتوم, خريطة الاتصالات العصبية

parasympathetic

relating to the part of the nervous system that promotes relaxation and digestion in the body

اللاودي

اللاودي

Ex: Chronic stress can impair parasympathetic function, contributing to health issues like digestive problems and insomnia. 
neurosis
neurosis
[اسم]

a mental condition that is not caused by organic disease in which one is constantly anxious, worried, and stressed

عصاب, اضطراب عصبي

عصاب, اضطراب عصبي

Ex: Neurosis often manifests as chronic anxiety, obsessive behaviors, or phobias that interfere with daily functioning. 
autonomic
autonomic
[صفة]

relating to bodily functions that occur automatically, without conscious effort or control

ذاتي, نباتي

ذاتي, نباتي

Ex: Sweating is an autonomic response to regulate body temperature. 
endocrinology

the branch of medicine and physiology dealing with the endocrine system that controls the hormones in one's body

علم الغدد الصماء

علم الغدد الصماء

Ex: Endocrinology is the branch of medicine that focuses on the study and treatment of hormone-related disorders. 
melatonin
melatonin
[اسم]

a hormone produced by the pineal gland that regulates sleep-wake cycles and promotes restful sleep

الميلاتونين, هرمون النوم

الميلاتونين, هرمون النوم

ghrelin
ghrelin
[اسم]

a hormone produced mainly by the stomach that stimulates appetite and regulates hunger

غريلين, هرمون الجوع

غريلين, هرمون الجوع

Ex: Ghrelin levels typically rise before meals, signaling the body's need for food. 
leptin
leptin
[اسم]

a hormone produced primarily by fat cells that helps regulate energy balance by inhibiting hunger and promoting feelings of fullness

ليبتين, هرمون الشبع

ليبتين, هرمون الشبع

estrogen
estrogen
[اسم]

a hormone primarily responsible for female reproductive development and regulation

الإستروجين, هرمون الأنوثة

الإستروجين, هرمون الأنوثة

serotonin
serotonin
[اسم]

a neurotransmitter primarily found in the brain and gastrointestinal tract that plays a key role in mood regulation, appetite, sleep, and various physiological functions

السيروتونين, 5-هيدروكسي تريبتامين (5-HT)

السيروتونين, 5-هيدروكسي تريبتامين (5-HT)

Ex: Serotonin levels are often associated with feelings of well-being and happiness. 
norepinephrine

a hormone and neurotransmitter that regulates the body's stress response

نورأدرينالين, نورإبينفرين

نورأدرينالين, نورإبينفرين

histamine
histamine
[اسم]

a compound released by cells in response to injury, allergy, or immune reactions, causing inflammation, itching, and other allergy symptoms

هيستامين

هيستامين

Ex: Antihistamines are commonly used to relieve symptoms of allergic reactions by blocking histamine receptors. 
lipoprotein
lipoprotein
[اسم]

a biochemical assembly that transports fats in the bloodstream, composed of proteins and lipids

بروتين شحمي, بروتين دهني

بروتين شحمي, بروتين دهني

Ex: High-density lipoprotein (HDL) is often referred to as "good cholesterol" because it helps remove cholesterol from the bloodstream. 
biomarker
biomarker
[اسم]

a biological indicator found in blood that can be measured and evaluated to indicate a particular physiological or pathological condition, or the response to treatment

علامة حيوية, مؤشر حيوي

علامة حيوية, مؤشر حيوي

amino acid
amino acid
[اسم]

any organic compound that creates the basic structure of proteins

حمض أميني, أمينو أسيد

حمض أميني, أمينو أسيد

acidosis
acidosis
[اسم]

a medical condition characterized by an excess of acid in the blood and body tissues, resulting in a lower pH than normal

الحماض, حموضة الدم

الحماض, حموضة الدم

Ex: Diabetic ketoacidosis is a severe form of acidosis that can occur in individuals with uncontrolled diabetes. 
alkalosis
alkalosis
[اسم]

a medical condition characterized by an excess of base or alkali in the blood and body tissues, resulting in a higher pH than normal

قلاء, قلاء الدم

قلاء, قلاء الدم

Ex: Respiratory alkalosis can occur when there is hyperventilation, leading to a decrease in carbon dioxide levels in the blood. 
inhibitory
inhibitory
[صفة]

having the ability to restrain, limit, or suppress activity or function

مثبط, كابح

مثبط, كابح

Ex: GABA (gamma-aminobutyric acid) is an inhibitory neurotransmitter that helps regulate neural activity in the brain. 
hemoglobin
hemoglobin
[اسم]

a protein that carries oxygen in red blood cells

هيموغلوبين, غلوبين

هيموغلوبين, غلوبين

Ex: Iron-rich foods support hemoglobin levels. 
cytokine
cytokine
[اسم]

a small protein that regulates immune responses and cell communication in the human body

سيتوكين, بروتين إشارات الخلية

سيتوكين, بروتين إشارات الخلية

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