"Hemichordata" Pronounce,Meaning And Examples

"Hemichordata" Natural Recordings by Native Speakers

Hemichordata
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"Hemichordata" Meaning

The Hemichordata is a group of chordates, a phylum of animals that belong to the superclass Ambulacraria. They are marine animals that are characterized by the presence of a dorsal, hollow nerve cord, a notochord (a precursor to a spinal cord), and pharyngeal slits. Hemichordates are commonly referred to as "worms" due to their elongated, worm-like bodies.

"Hemichordata" Examples

Here are 5 usage examples based on the word "hemichordata":

Example 1: Scientific Classification

The hemichordata is a subphylum of chordates that also includes amphioxus and acorn worms.

Example 2: Biology Textbook

Hemichordates are a group of marine animals that have a notochord, a dorsal hollow nerve cord, and pharyngeal slits.

Example 3: Research Paper

Our study on the evolutionary history of hemichordates reveals a close relationship between the species and the origin of the vertebrate body plan.

Example 4: Encyclopedia Entry

Hemichordata is a phylum of marine animals that includes the classes Enteropneusta (acorn worms) and Pterobranchia (rifter worms).

Example 5: Lecture on Marine Biology

The hemichordata, a group of caudofoveate worms, have fascinated scientists for decades with their unique body structure and feeding habits.

"Hemichordata" Similar Words

Hemiballism

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Hemiballism is a rare neurological disorder characterized by abnormal involuntary movements, specifically tremors and chorea (involuntary jerky movements), predominantly affecting one side of the body. The term "hemiballism" literally means "half-ballism", with "hemi-" referring to half and "ballism" referring to the sudden, jerky movements of the affected limbs.

Hemiballismus

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Hemiballismus is a rare and severe neurological disorder characterized by involuntary, swinging movements of the arm on one side of the body. It is typically caused by a lesion or damage to the subthalamic nucleus, a region deep in the brain that is involved in motor control. The movements are often dramatic and can be quite distressing for those who experience them.

Hemiblock

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Hemiblock is an irregular heart rhythm characterized by a blockage of electrical signals in the heart, typically occurring in the right bundle branch. It impairs the heart's ability to pump blood efficiently, often causing symptoms such as rapid or irregular heartbeat, shortness of breath, fatigue, and dizziness.

Hemicardia

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Hemicardia refers to a type of abnormal cardiac rhythm, specifically a type of atrial tachycardia that originates from the atrial muscle itself, rather than from the atrioventricular (AV) node. It is usually characterized by a rapid heart rate, often above 140 beats per minute, and can be associated with symptoms such as palpitations, shortness of breath, and lightheadedness. Hemicardia can be treated with medications, cardioversion, or other procedures depending on its underlying cause and severity.

Hemicellulose

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Hemicellulose is a type of complex carbohydrate found in the cell walls of plants. It is a straight-chain polysaccharide made up of five-carbon sugars, such as arabinose, xylose, and glucose, that are linked together through beta-1,4 glycosidic bonds. Hemicellulose is broken down into smaller sugars by enzymes during the digestion process in the rumen of ruminant animals, such as cows and sheep, and is an important source of energy for these animals. It is also used in the production of biofuels, paper, and other products.

Hemicelluloses

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Hemicerebrum

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The hemicerebrum refers to the left or right half of the cerebrum, which is the largest part of the brain responsible for processing sensory information, controlling movement, and managing higher-level cognitive functions such as thought, emotion, and memory.

Hemicholine

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Hemicholinium is a type of compound that was previously used as a muscle relaxant in the treatment of tetanus and other muscle spasms. It is a natural product obtained from the bark of the Guaiacum officinale tree.

Hemichordate

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Hemichordate refers to a group of marine animals that belong to the phylum Hemichordata. They are characterized by their three-part body (stomochord, dorsal hollow nerve cord, and pharyngeal gill slits), which is similar to that of chordates, including animals such as humans. Hemichordates are found mostly in marine environments and are often small, ranging from a few millimeters to tens of centimeters in length. Despite their similarities to chordates, hemichordates do not have a true horse-shoe shaped notochord, and are considered to be evolutionary relatives of chordates, but not chordates themselves.

Hemichordates

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The hemichordates are a phylum of marine animals that are closely related to chordates, the phylum that includes humans and many other vertebrates. The name "hemichordate" comes from the Greek words "hemi", meaning "half", and "chorda", meaning "string". This refers to the presence of a notochord, a flexible, cord-like structure that runs along the length of the animal's body, similar to the notochord found in chordates.

Hemicircumference

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Hemicircumference refers to half of the circumference of a circle or any curved object. It is a linear dimension that is half the distance around the entire circumference.

Hemicolectomy

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Hemicolectomy is a surgical procedure where a doctor removes one half (hemi) of the colon (colectomy). It is typically performed to remove a tumor, diverticulum, or other abnormal growth that has formed in the upper or lower part of the colon.

Hemicolostomy

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Hemicorporectomy

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Hemicorporectomy is a rare and complex surgical procedure that involves the removal of the lower half of the body, including the pelvis, legs, and some internal organs. It is usually performed in cases where a severe injury or disease affects the lower body, and is often considered a last resort. The goal of the surgery is to save the patient's life and improve their quality of life by removing damaged tissue and reducing pain. However, hemicorporectomy is a serious and life-altering procedure that requires careful consideration and patient selection.

Hemicrania

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Hemicranial

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