Words Starting With "E"

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Ectopia

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Ectopia refers to a condition or situation in which something is situated or located outside its normal or expected place, often due to an anatomical or developmental abnormality. This term is typically used in medical contexts to describe a birth defect or a congenital anomaly.

Ectopic

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Ectopic refers to something that is growing or developing outside its normal or expected location. In the context of pregnancy, an ectopic pregnancy is one where the fertilized egg implants outside the uterus, most commonly in the fallopian tubes, ovaries, or abdomen, rather than in the uterus.

Ectopically

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Ectopically refers to something that is located or growing outside its normal or expected position. In medicine, ectopic refers to a condition where a organ or tissue develops or grows in a location outside its normal or expected position, such as an ectopic pregnancy where the fertilized egg implants and develops outside the uterus.

Ectopion

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Ectopion is a medical term that refers to a rare condition where the eyelid turns outward or upward, caused by an abnormal contraction of the orbicularis oculi muscle or by a blockage in the tear ducts. As a result, the eyelid can become trapped in this outward position, causing discomfort, reduced visual acuity, and increased risk of corneal irritation or ulcers.

Ectopistes

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"Ectopistes" is a rare word that refers to a kind of mole or burrowing animal. It is particularly used to describe a type of rodent, often used scientifically to describe the term "prairie dog".

Ectoplasm

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Ectoplasm is a term used to describe a substance believed to be emitted by mediums during spiritualist séances, particularly in the context of mediumship and spiritualism. It is often described as a colorless, gelatinous mass that appears to emanate from the medium's body, and is believed to be the manifestation of paranormal energy or spiritual entities interacting with the physical world. The ectoplasm is often said to take on various forms, such as shapes, figures, or even animals, and may be used as a means of communication with the spirit world.

Ectoplasmatic

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Ectoplasmatic refers to things that are related to or produced by ectoplasm, which is a substance or material that is considered to be paranormal or supernatural in nature. Ectoplasm is often associated with spiritualism and mediumship, and is said to be able to manifest as a mist, a gas, or a semi-solid substance that is believed to be a physical representation of a person's spirit or energy.

Ectoplasmic

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Ectoplasmic refers to something related to ectoplasm, a substance or energy believed to be emitted by mediums, spiritualists, or psychics as evidence of supernatural or paranormal activity. It is often described as a kind of glowing or luminous substance that can take various forms, such as a mist, a cloud, or even a living entity. In a more general sense, the term "ectoplasmic" can also be used to describe anything that is otherworldly, ghostly, or mysterious, often with a sense of eeriness or unease.

Ectoplasms

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Ectoplasm is a term used in paranormal investigation and spiritualism to describe a supposed psychic substance that is said to issue from the body of a medium, trance channel, or other person in a state of alleged psychic trance or altered consciousness.

Ectoplastic

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Ectoplastic refers to something that grows or develops outside the normal or expected place. In biology, ectoplastic tissue is a type of tissue that develops outside the normal bounds of an organ or structure. For example, in humans, an ecchymosis (a bruise) is an ectoplastic occurrence of blood in the skin outside the normal circulation. In a broader sense, ectoplastic can refer to any unusual or abnormal growth or development outside the normal limits of an organ, tissue, or structure.

Ectoproct

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Ectoproct is a biological term that refers to a type of perianal gland that is typical of some species of monotremes, including the platypus. It is a pair of glands located near the cloaca, which is a multi-purpose opening used for reproduction, digestion, and excretion. The ectoprocts produce a salty, milky substance that is thought to help maintain the moisture and acidity of the platypus's skin, as well as aid in its ability to sense its surroundings through electrical signals in the water.

Ectoprocta

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Ectoprocta is a subphylum of marine invertebrates that includes moss animals, bryozoans, and encrusting animals. It includes both aquatic and marine species.

Ectoprocts

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Ectoprocts refers to a group of simple, colonial animals that are attached to a surface, such as rocks, plants, or other animals. They are also known as bryozoans. Ectoprocts are small, sessile creatures that feed on tiny particles, such as plankton or small insects, and play an important role in the aquatic ecosystem by filtering water and serving as a food source for other animals.

Ectopterygoid

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The ectopterygoid is a bone in the skull of some fish and amphibians that is thought to be homologous with the quadratic bone in the skull of tetrapods (four-legged vertebrates). It plays a role in the formation of the palate and the attachment of the laryngeal cartilages. In other words, it is a bone that helps form the roof of the mouth and is connected to the voice box.

Ectopy

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Ectopy refers to a situation where an organ or part of an organ grows or develops in an abnormal or unnatural location.

Ectorganism

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Etymology: From Greek "éktos" meaning "outside" and "organism", referring to something outside an organism.<br><br>Definition: In microbiology, ectorganism refers to an organism that lives outside another organism, typically a fungus, bacterium, or other microorganism that grows on the surface of a plant or animal.

Ectosarc

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Ectosarc refers to the outer layer or cuticle of an insect's exoskeleton. It is the outermost protein-based structure that provides protection and support to the insect's body.

Ectosarcous

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Ectosarcous refers to a type of skeletal system found in animals, characterized by the presence of a external skeleton or exoskeleton. This is typically found in invertebrates such as insects, spiders, and crustaceans, as well as some vertebrates like fish.

Ectosome

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Ectosome refers to the outermost layer or primary epithelium of a histological section, which is the layer of cells that is in direct contact with the surrounding environment or tissue.

Ectosteal

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Ectosteal refers to a type of embryonic developmental stage in which a structure or organ grows outward from the exterior of the embryo, in contrast to endosteal development which occurs from the inner surface. In biological development, ectosteal development plays a crucial role in the formation of various structures, such as the skull, vertebral column, and limb bones.

Ectostosis

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Ectostosis is a rare congenital disorder characterized by the abnormal development of the bones of the skull, resulting in an overgrowth of the forehead and orbits (eye sockets). It is often associated with other conditions, such as hypothalamic dysfunction and muscle weakness.

Ectosymbiotic

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Ectosymbiotic refers to a type of symbiotic relationship in which one organism, usually a smaller one, lives on the surface of another organism. This can include relationships such as lice on a human, barnacles on a whale, or even certain species of fish that live on the skin of sharks.

Ectotherm

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An ectotherm is an animal whose body temperature is regulated by the temperature of its surroundings, rather than by metabolic processes or internal organs. In other words, ectotherms are cold-blooded animals, meaning their body temperature varies with the temperature of their environment. Examples of ectotherms include reptiles, amphibians, and fish.

Ectothermic

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Ectothermic refers to an animal that regulates its body temperature using external sources, such as the sun or a warm rock, rather than generating heat internally like endothermic animals (e.g. mammals and birds). Examples of ectothermic animals include reptiles, amphibians, and fish.

Ectotherms

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Ectotherms are animals whose body temperature is regulated by the environment around them. They are unable to generate heat internally and rely on external sources, such as the sun or a warm rock, to regulate their body temperature. Examples of ectotherms include reptiles, amphibians, and fish, whereas mammals and birds are endotherms, meaning they are able to generate heat internally.

Ectothermy

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Ectothermy refers to a way of thermoregulation in animals where they retain heat from the environment, rather than generating it internally. Ectothermic animals, such as reptiles and amphibians, are unable to regulate their body temperature internally and rely on external sources of heat, such as the sun or a warm environment, to maintain their body temperature. In contrast, endothermic animals, such as mammals and birds, are able to generate heat internally through metabolism and maintain a relatively constant body temperature.

Ectozoic

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Ectozoic refers to the external or ectodermal origin of an organism, typically meaning it develops externally from a blastula, which is an early stage in the development of some animals.

Ectozoon

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Ectozoon refers to a parasite or external parasite that lives on the surface of another organism, such as the skin, hair, or feathers.

Ectrodactylism

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Ectrodactylism is a rare congenital disorder that is characterized by defects or abnormalities of the hands and feet. It is also known as "lobster claw deformity" due to the appearance of the affected limbs. People with ectrodactylism may have varying degrees of malformation, including missing or extra digits, webbing between the fingers or toes, and abnormalities of the joints. It is usually genetic in origin and can be inherited in an autosomal dominant pattern.

Ectrodactyly

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Ectrodactyly is a rare congenital condition characterized by abnormal development of the hands and feet, often resulting in missing or deformed fingers and toes. It is also known as "lobster claw hands" due to the deformities' resemblance to a lobster's claw.

Ectromelia

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Ectromelia is a term used in medicine to describe a congenital abnormality where a person is born with missing or underdeveloped limbs, often due to a lack of limb bud formation during fetal development.

Ectropic

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Ectropic refers to a growth or branch that grows outward or away from the main body or structure, often irregularly or abnormally.

Ectropion

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Ectropion is a medical term that refers to an outward turning or everted eyelid, often resulting in exposure of the conjunctiva and possible irritation or infection. It is usually caused by weakness or paralysis of the eyelid muscles, and can be a sign of nerve damage or other underlying conditions such as Bell's palsy or aging.

Ectropy

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Ectropy refers to the tendency of a system or organism to increase in complexity, organization, and disorder, often as a result of external factors or stimuli. The term was coined by Thierry Morgenthaler, a Swiss physiologist, in the 1990s.

Ectrosyndactyly

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Ectrosyndactyly is a rare congenital disorder characterized by the abnormal fusion of distant or unrelated digits on a limb, leading to the formation of additional fingers or toes.

Ectrotic

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Ectrotic refers to something that is curved or bent inward, especially in a sickle-shaped manner. It can also describe a malformation or abnormality in the shape of a body part, such as a toe or finger. In a broader sense, ectrotic can imply a misshapen or deformed form that is not in accordance with the normal or expected shape.