Words Starting With "T"

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Thyristorised

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A thyristorized electrical circuit is one that uses a thyristor, a type of semiconductor device, to control the flow of electrical current. <br><br>A thyristor is a type of solid-state switch that can be used to control the flow of electrical current in a circuit. It is typically used in high-power applications, such as motor control and power conversion.<br><br>When a thyristor is triggered, it allows current to flow through it, and can be used to control the flow of current on the output side of the device.

Thyristorized

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A thyristorized circuit is a type of electrical circuit that uses a thyristor, a type of semiconductor device that can be used to control the flow of electrical current.<br><br>In a thyristorized circuit, a thyristor is used to switch the circuit on and off, or to regulate the current flowing through it. Thyristors are commonly used in motor control, lighting control, and power supplies because they are relatively simple, reliable, and cost-effective.<br><br>Thyristorized circuits are widely used in various applications, including:<br><br>1. Motor control: Thyristors can be used to control the speed of induction motors, which are commonly used in fans, pumps, and other machinery.<br>2. Lighting control: Thyristors can be used to control the flow of electrical current to lighting circuits, which allows for the dimming of lights.<br>3. Power supplies: Thyristors can be used in switching-mode power supplies to regulate the output voltage and current.<br><br>The main advantages of thyristorized circuits include:<br><br> High reliability<br> Low cost<br> Simple design<br> High current-handling capacity<br> High switching speeds<br><br>However, thyristors also have some disadvantages, including:<br><br> Sensitive to fault conditions<br> Limited control over current flow<br> May experience latch-up or thermal runaway under certain conditions.

Thyristors

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Thyristors are a type of semiconductor device that can control or rectify the flow of electrical current. They are essentially a type of switch that can be turned on or off, and are commonly used in a wide range of applications, including power supplies, motor control, and lighting systems.<br><br>Thyristors work by using four layers of alternating P-type (positive) and N-type (negative) semiconductor material, known as a thyristor structure. When a gate signal is applied to the gate of the device, it allows current to flow through the device, turning it on. Once turned on, the device remains in the 'on' state until the current through the device is interrupted, such as when the load is removed or the voltage is reduced.<br><br>There are several types of thyristors, including:<br><br> Silicon-controlled rectifier (SCR): This is the most common type of thyristor and is widely used in power transmission and distribution systems, as well as in motor control and lighting systems.<br> Triac: This type of thyristor can conduct current in both directions, making it useful for AC systems.<br> Gate-turn-off thyristor (GTO): This type of thyristor can be turned off by applying a negative gate signal.<br> Power transistor thyristor (IGBT): This type of thyristor is used in high-power applications and can be turned on and off quickly.<br><br>Thyristors are widely used in many applications, including:<br><br> Power supplies: Thyristors are used to regulate the output voltage and current of power supplies.<br> Motor control: Thyristors are used to control the speed and direction of DC and AC motors.<br> Lighting systems: Thyristors are used to control the flow of current to lighting systems.<br> Power transmission and distribution: Thyristors are used to control the flow of power in power transmission and distribution systems.<br><br>In summary, thyristors are semiconductor devices that can control or rectify the flow of electrical current, and are widely used in a wide range of applications.

Thyroarytenoid

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The thyroarytenoid muscle is a small, thin muscle located in the larynx (voice box) of the human body. It is one of the intrinsic muscles of the larynx and plays a crucial role in vocal cord function and voice production.<br><br>The thyroarytenoid muscle originates from the thyroid cartilage and passes downward to insert into the vocal process of the arytenoid cartilage. When the muscle contracts, it relaxes the vocal cords, which changes the pitch and tone of the voice.<br><br>In essence, the thyroarytenoid muscle helps to modulate the tension of the vocal cord, thereby facilitating smooth transitions between different speech sounds and pitches. It also helps to regulate the breathing sound during vocal practices.

Thyrocalcitonin

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Thyrocalcitonin is a hormone produced by the thyroid gland that helps regulate calcium levels in the blood. It is released in response to high levels of calcium in the blood and works to decrease calcium levels by increasing the excretion of calcium in the urine and reducing bone resorption.

Thyrocele

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A thyrocele is a condition where the thyroid gland protrudes or herniates through an opening or weak spot in the diaphragm, creating a bulge or hernia in the neck. This can put pressure on surrounding nerves and blood vessels, and can be caused by various factors such as trauma, surgery, or inflammatory diseases.

Thyrocervical

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(posterior) thyrocervical trunk: a critical blood vessel that branches off the subclavian artery and supplies blood to the thyroid glands, cervical vertebrae, and cervicothoracic structures.<br><br>thyrocervical trunk (anatomy): specifically refers to the anatomical region at the base of the neck where the subclavian artery divides into the thyrocervical trunk and the costocervical trunk.<br><br>thyrocervical canal: a narrow, tube-like structure in the vertebrae within the neck region, containing the vertebral artery and other vascular structures.<br><br>thyrocervical junction: an anatomical region at the base of the neck where the subclavian arteries (subclavian arteries) merge into common trunks.<br><br>It seems like you are referring to a set of complicated medical and anatomical terms. If you can provide more information or context, I'd be happy to help clarify which term you were looking for.

Thyrocricotomy

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Thyrocricotomy is a surgical procedure where the thyroid gland is cut through. It's a rare procedure typically performed to remove all or part of the gland.

Thyroepiglottic

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Relating to the thyroepiglottic valve, a sphincter closing the opening between the larynx and the esophagus.

Thyroglobulin

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Thyroglobulin is a protein made by the thyroid gland. It plays a critical role in thyroid hormone production. When the thyroid gland is stimulated to release thyroxine (T4), thyroglobulin acts as a prohormone, splitting into T4 and another hormone, triiodothyronine (T3). Elevated levels of thyroglobulin in the blood are often associated with conditions related to the thyroid, such as goiter, thyroid growth, inflammation, or cancer, requiring medical evaluation and treatment.

Thyroglossal

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A word with a strong medical connotation!<br><br>Thyroglossal refers to something related to the thyroglossal duct, which is a developmental tract that forms during embryonic development to connect the thyroid gland to the base of the tongue. Issues with this duct can lead to a condition called thyroglossal duct cyst, which is a congenital anomaly.<br><br>The term "thyroglossal" can also be used as an adjective to describe the gland itself, the duct, or structures derived from it.<br><br>In a broader sense, thyroglossal may indicate a location in the throat area, near the hyoid bone and upper part of the larynx.

Thyrohyal

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The thyrohyal muscle is one of the intrinsic muscles of the larynx. It is a small, fibrous muscle that connects the thyroid cartilage to the hyoid bone. The thyrohyal muscle is one of the muscles of the laryngeal elevation or excursion, which helps to elevate the larynx, assisting in breathing and vocalization.

Thyrohyoid

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The thyrohyoid is a small, tendinous ligament in the neck. It connects the upper border of the hyoid bone to the inferior edge of the thyroid cartilage. The thyrohyoid muscle, which is attached to the ligament, helps to elevate and move the hyoid bone during swallowing, yelling, and other acts. The thyrohyoid ligament is not to be confused with the deep cervical fascia.

Thyroid

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A gland located at the base of the neck that produces hormones that regulate metabolism, growth, and development, particularly the release of thyroxine (T4) and triiodothyronine (T3).

Thyroidal

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Relating to or denoting the thyroid gland, a gland located in the neck that regulates metabolism.

Thyroidea

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Thyroidea refers to the thyroid gland, which is a vital endocrine gland located in the neck, below the larynx. It plays a crucial role in regulating metabolism by producing hormones that control the rate at which the body burns calories and uses energy. The main function of the thyroid gland is to produce hormones that affect growth, development, and metabolism.

Thyroideal

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Thyroid Hetairid.<br><br>The word "thyrroideal" does not seem to be a standard term in English language. However, I found that "thyroid" refers to the thyroid gland, a small, butterfly-shaped gland located in the neck that secretes hormones that regulate metabolism.<br><br>If you are looking for a word related to "thyroideal", I'm going to take a guess that you meant "thyroid", in that case, it refers to the thyroid gland or its hormones.

Thyroidectomised

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The term "throidectomised" refers to a person or animal that has undergone a thyroidectomy, which is a surgical removal of the thyroid gland, typically to treat a thyroid condition such as a thyroid cancer, a goiter, or as an anti-inflammatory treatment. After the surgery, the person or animal is unable to produce thyroid hormones, which can lead to various symptoms, such as fatigue, weight gain, and depression.

Thyroidectomized

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Having had the thyroid gland removed, typically surgically.

Thyroidectomy

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Thyroidectomy is a surgical procedure that involves the removal of part or all of the thyroid gland.

Thyroidism

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Thyroidism is not a recognized medical term. I think you meant "thyroid disease" or more specifically, a condition affecting the thyroid gland such as hypothyroidism (underactive thyroid) or hyperthyroidism (overactive thyroid).<br><br>However, if you meant thyroidism as a potential made-up or nonsense word, I'd be happy to help with that as well.

Thyroiditis

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Thyroiditis is an inflammation of the thyroid gland. It can be caused by an autoimmune process, infection, or other factors, and may lead to symptoms such as swelling of the thyroid gland, pain, and changes in thyroid hormone production.

Thyroidotomy

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A surgical incision into the thyroid gland.

Thyroids

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Thyroids refer to the pair of small, butterfly-shaped glands in the neck that play a crucial role in regulating metabolism and producing hormones, specifically thyroid hormone, which affects growth, development, and energy production in the body.

Thyromegaly

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Thyromegaly refers to an enlarged thyroid gland, typically resulting in a visibly swollen neck.

Thyromine

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Thyromine refers to a dietary supplement claimed to support thyroid health. It typically contains a combination of ingredients, such as thyroid-stimulating ingredients, that aim to promote thyroid function and metabolism.

Thyronine

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Thyronine is a name given to two isomers of the amino acid tyrosine, which is one of the 20 amino acids found in proteins.

Thyropharyngeus

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The thyropharyngeus is a muscle in the neck that is part of the pharynx. Specifically, it is a striated muscle of the pharynx and plays a role in swallowing.<br><br>More specifically, the thyropharyngeus muscle is one of the two paired constrictor muscles of the pharynx, along with the cricopharyngeus and the inferior constrictor muscle. The thyropharyngeus muscle is located in the upper part of the pharynx and helps to propel food and liquid from the pharynx into the esophagus. It is innervated by the pharyngeal plexus, a branch of the vagus nerve.<br><br>The thyropharyngeus muscle is also part of the muscular layer of the pharynx and works together with other muscles to help with swallowing and the movement of food through the throat.

Thyroplasty

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Thyroplasty is a surgical operation intended to improve the shape or position of the vocal cords in the larynx (voice box) by shortening, lengthening, or thickening or thinning them.

Thyrotomy

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Thyrotomy is a surgical incision or opening into the thyroid gland.

Thyrotoxic

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Relating to a condition in which the thyroid gland produces excessive amounts of thyroid hormone, often causing symptoms such as rapid or uneven heart rate, weight loss, nervousness, and heat intolerance.

Thyrotoxicosis

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A medical term!<br><br>Thyrotoxicosis is a condition in which there is an excess of thyroid hormones (thyroxine and triiodothyronine) in the body, often caused by an overproduction of thyroid hormones by the thyroid gland. This can be due to various reasons, including:<br><br> Graves' disease<br> Thyroid nodules or goiter that produce thyroid hormones<br> Thyroid cancer<br> Thyroiditis (inflammation of the thyroid gland)<br> Medication (e.g. accidentally taking too much thyroid hormone replacement medication)<br><br>Symptoms of thyrotoxicosis can include:<br><br> Weight loss<br> Increased heart rate and palpitations<br> Fatigue<br> Sleeping problems<br> Heat intolerance<br> Anxiety and mood changes<br> Tremors<br> Weakness<br> Ideas of obsessive behavior<br><br>It's essential to seek medical attention if you suspect you or someone you know is experiencing symptoms of thyrotoxicosis. With proper treatment, which often involves medications to reduce thyroid hormone production or block its effects, symptoms can be managed and preventing long-term complications.

Thyrotropes

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Thyrotropes refer to hormones that stimulate the thyroid gland to produce more thyroid hormones. Specifically, the thyrotropes are a type of peptide hormone that stimulates the anterior pituitary gland to release thyroid-stimulating hormone (TSH), which in turn stimulates the thyroid gland to produce triiodothyronine (T3) and thyroxine (T4).

Thyrotrophic

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relating to the regulation of the thyroid gland

Thyrotrophin

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Thyrotrophin, also known as thyroid-stimulating hormone (TSH), is a hormone produced by the anterior pituitary gland that regulates the production of thyroid hormones (T3 and T4) by the thyroid gland. It is a polypeptide hormone, consisting of 211 amino acids, and is produced by the thyrotrope cells of the anterior pituitary gland.<br><br>TSH is released into the bloodstream in response to the thyroid hormone levels in the blood, with high levels of thyroid hormones (T3 and T4) suppressing the release of TSH and low levels stimulating their release. In turn, TSH stimulates the thyroid gland to produce more thyroxine (T4) and triiodothyronine (T3) hormones.<br><br>Dysfunction of the thyroid gland or pituitary gland can lead to abnormalities in the levels of TSH and thyroid hormones, resulting in conditions such as hypothyroidism (underactive thyroid) or hyperthyroidism (overactive thyroid).

Thyrotropic

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Having a controlling influence on, or relating to, the thyroid gland, especially in relation to the regulation of its secretion.