"Chordoma" Natural Recordings by Native Speakers
Chordoma is a rare type of cancer that arises from the notochord, a remnant of the embryonic disk that is normally present in the spine and base of the skull. It is a slow-growing tumor that typically occurs in the sacrum and clivus, which are parts of the spine and skull. Chordomas are characterized by their tendency to recur locally even after surgical removal and radiation therapy. They can also metastasize to other parts of the body, though this is relatively rare.
Chordata refers to a phylum of animals that includes vertebrates (animals with a backbone) and some marine animals that do not have a backbone, such as tunicates and lancelets. Chordates are characterized by the presence of a notochord (a flexible, rod-like structure that provides support and stiffness), a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.
Chordates are a phylum of animals that possess a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail at some stage in their development. Chordates are one of the five main animal phyla and include most vertebrates, such as humans, fish, and birds, as well as some invertebrates, like tunicates and lancelets.
Chordectomy is a surgical procedure to remove part or all of the vocal cord(s) in the larynx (voice box). It is typically performed to treat certain types of vocal cord lesions, such as cancer, benign tumors, or vocal cord paralysis. The goal of the surgery is to improve breathing, alleviate symptoms, or treat speech disorders.
Chordee is a medical condition where the penis is bent downwards, often in a UPWARD direction, usually due to a congenital anomaly or trauma.
Chordeiles is a genus of nightjars, also known as whip-poor-wills, a family of nocturnal birds. The name "Chordeiles" comes from the Greek words "chorda," meaning "string," and "oides," meaning "resembling," likely referring to the bird's loud, whistling call, which sounds like a yarn being unwound.
Chordomas are rare, slow-growing tumors that occur in the skull base or spine. They arise from adult cells that are present in the notochord, a structure that is present in an embryo's spine and plays a role in the development of the neural tube. Chordomas can occur in the nasal cavity, sacrum, or clivus (the part of the spine that connects the base of the skull to the rest of the spine). They are considered "benign" because they do not invade surrounding tissue, but they can be locally aggressive and can cause serious problems if they are not treated.
Chordomata refers to a group of primitive, chordate-like organisms that are found in aquatic environments. They belong to the phylum Chordata, which includes animals with a notochord (a precursor to a spinal cord), a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. Chordomata are typically microscopic and live in or near coral reefs, estuaries, or other coastal areas.
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Chordotomy is a surgical procedure that involves cutting the spinothalamic tract, a bundle of nerve fibers that carries pain and temperature sensation from the body to the brain. This procedure is used to treat severe and chronic pain, particularly in patients with cancer or other terminal illnesses. It works by disrupting the transmission of pain signals to the brain, thus reducing the sensation of pain.
Chords are groups of three or more musical notes sounding simultaneously. They are a fundamental element of music and are used to play harmony and create melodies in various genres, such as classical, pop, rock, and jazz.
A chore is a task that is routine, repetitive, and often unpleasant, typically done for necessary or mundane purposes. Examples of chores include cleaning, doing laundry, cooking, and taking out the trash.
Chorea refers to a type of abnormal, involuntary movement of the muscles, often caused by damage to certain areas of the brain or by certain medical conditions, such as Huntington's disease, multiple sclerosis, or severe head trauma.