Category: T
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Tegument
A covering, especially the protective outer covering of an organism. The protective layer that envelops the body.
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Teflon
A synthetic polymer injected into the joints of the larynx to increase movement and help hoarseness of voice.
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Teething
The period when a baby’s milk teeth are starting to erupt, and the baby is irritable. Eruption of deciduous teeth (baby teeth, milk teeth) through the gums, usually extending from 4-6 months to about 30 months, when all 20 milk teeth have appeared. Discomfort in the gum area may occur, and symptoms of drooling, biting…
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Tectospinal tract
A tract which takes nerve impulses from the mesencephalon to the spinal cord. A tract that conveys nerve impulses from the midbrain, across the midline as it descends, to the spinal cord in the cervical (neck) region. It contains important motor neurons. A nerve tract that passes from the tectum of the midbrain through the…
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Tectorial membrane
A membrane in the inner ear which contains the hair cells which transmit impulses to the auditory nerve. The thin, jelly-like membrane projecting from the vestibular lip of the osseous spiral lamina and overlying the spiral organ of Corti of the ear.
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Technician
A qualified person who does practical work in a laboratory or scientific institution. Skilled worker; may refer to one’s degree of expertise, such as a surgeon being a superb technician. A specialist in the technical details of a subject or process. A technologist is skilled in the application of knowledge for practical purposes. The distinction…
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Teat
A rubber nipple on the end of a baby’s feeding bottle. The nipple of the mammary gland.
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Tear
A drop of the salty fluid which forms in the lacrimal gland. The fluid keeps the eyeball moist and clean and is produced in large quantities when a person cries. A hole or a split in a tissue often due to over-stretching. A liquid that lubricates the eyes, keeps them clean and moist, and helps…
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Team
A group of people who work together. A group of individuals working together to perform a common task.
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Teach
To give lessons in something. To show someone how to do something.