tentacle definition
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tentacle Definition of tentacle 1: any of various elongate flexible usually tactile or prehensile processes borne by animals and especially invertebrates chiefly on the head or about the mouth 2 a: something that resembles a tentacle especially in or as if in grasping or feeling out
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tentacle Definition of tentacle for Students : one of the long thin flexible parts that stick out around the head or the mouth of an animal (as a jellyfish or sea anemone) and are used especially for feeling or grasping
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Barnacle Barnacles attach themselves to animals when they are very young and in the larvae stage of their lives. Once the baby barnacle has effectively glued itself to something hard, a thin layer of flesh wraps around the barnacle and an outer shell is produced.he shell of the barnacle is made up of a number of plates (usually 6), with feathery leg-like appendages that draw water into their shell so that they can feed.
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- Definition of treacle from the Collins English Dictionary Prepositions A preposition is one of a small but very common group of words that relate different items to each other.
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- Genetics focuses on those individual genes and how they influence health and disease. Genes are made of several thousand base pairs, which are the combinations of the nucleic acids adenosine (A), thymine (T), guanine (G), and cytosine (C). Genes are “transcribed and translated” into proteins.
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Flagellate A flagellate is a cell or organism with one or more whip-like organelles called flagella.he word flagellate also describes a particular construction (or level of organization) characteristic of many protists (eukaryotic organisms) and their means of motion. The term presently does not imply any specific relationship or classification of the organisms that possess flagellae.
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tabernacle Tabernacle - (Judaism) a portable sanctuary in which the Jews carried the Ark of the Covenant on their exodus. holy of holies, sanctum sanctorum - (Judaism) sanctuary comprised of the innermost chamber of the Tabernacle in the temple of Solomon where the Ark of the Covenant was kept.
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Flagellate For bacterial flagella and their differences, see Flagellum. A flagellate is a cell or organism with one or more whip-like organelles called flagella. The word flagellate also describes a particular construction (or level of organization) characteristic of many protists (eukaryotic organisms) and their means of motion.
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Tentacle (Half-Life) A tentacle in Xen, its natural habitat. Tentacles (sometimes referred to as Giant Tentacles) are fictional creatures from the computer game Half-Life. They first appear in the Black Mesa Research Facility, where three tentacle creatures are growing inside a rocket propulsion test chamber.
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- In the stalked barnacles the body is divided into a capitulum. containing feeding appendages (cirri and mouthparts) and most. other organs, and a peduncle or stalk by which the animal is at­. tached to the substratum. The capitulum and sometimes the pe­. duncle are armored with characteristic calcareous plates.
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Barnacle Barnacles are exclusively marine, and tend to live in shallow and tidal waters, typically in erosive settings. They are sessile (nonmotile) suspension feeders, and have two nektonic (active swimming) larval stages. Around 1,220 barnacle species are currently known.The name Cirripedia is Latin, meaning curl-footed.arnacles are exclusively marine, and tend to live in shallow and tidal waters, typically in erosive settings. They are sessile (nonmotile) suspension feeders, and have two nektonic (active swimming) larval stages. Around 1,220 barnacle species are currently known.
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Flagellum A flagellum (/fləˈdʒɛləm/ ; plural: flagella) is a lash-like appendage that protrudes from the cell body of certain prokaryotic and eukaryotic cells.The word flagellum in Latin means whip.hough eukaryotic flagella and motile cilia are ultrastructurally identical, the beating pattern of the two organelles can be different. In the case of flagella, the motion is often planar and wave-like, whereas the motile cilia often perform a more complicated three-dimensional motion with a power and recovery stroke.
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cilia cilia. 1  Biology. minute hairlike organelles, identical in structure to flagella, that line the surfaces of certain cells and beat in rhythmic waves, providing locomotion to ciliate protozoans and moving liquids along internal epithelial tissue in animals. 2  Anatomy. the eyelashes.
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Barnacles Four more plates form a door which the barnacle can open or close, depending on the tide. When the tide goes out, the barnacle closes shop to conserve moisture. As the tide comes in, a muscle opens up these four plates, and the feathery legs of the barnacle sift the water for food.
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pod pod 1. n. 1. Botany. a. A dehiscent fruit of a leguminous plant such as the pea, splitting along two sides. b. A dry, several-seeded, dehiscent fruit. Also called seedpod. 2. Zoology An egg case of certain insects, especially a locust or other orthopteran.od. 1  pod-A group of whales (or seals or dolphins), or a small flock of birds.
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Receptacle (botany) In phycology, receptacles are structures at the ends of branches of algae mainly in the brown algae or Heterokontophyta in the Order Fucales. They are specialised structures which contain the reproductive organs called conceptacles.
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spore spore. 1. A usually one-celled reproductive body that can grow into a new organism without uniting with another cell. Spores have only a single set of chromosomes. Fungi, algae, plants that do not bear seeds, and certain protozoans reproduce asexually by spores.pore. n. 1. A small, usually single-celled reproductive body that is resistant to adverse environmental conditions and is capable of growing into a new organism, produced especially by certain fungi, algae, protozoans, and nonseedbearing plants such as mosses and ferns.
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Flagellum A flagellum (/fləˈdʒɛləm/; plural: flagella) is a lash-like appendage that protrudes from the cell body of certain prokaryotic and eukaryotic cells. The word flagellum in Latin means whip.
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spore spore. n. 1. A small, usually single-celled asexual or sexual reproductive body that is highly resistant to desiccation and heat and is capable of growing into a new organism, produced especially by certain bacteria, fungi, algae, and nonflowering plants. 2.pore. n. 1. A small, usually single-celled asexual or sexual reproductive body that is highly resistant to desiccation and heat and is capable of growing into a new organism, produced especially by certain bacteria, fungi, algae, and nonflowering plants. 2.
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peg tent peg-a peg driven into the ground to hold a rope supporting a tent. treenail, trenail, trunnel-a wooden peg that is used to fasten timbers in shipbuilding; water causes the peg to swell and hold the timbers fast.. music any of several pins passing through the head (peg box) of a stringed instrument, which can be turned so as to tune strings wound around them. See also pin 11. 4. Also called: clothes peg Brit a split or hinged pin for fastening wet clothes to a line to dry.
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Barnacle Barnacle is a small but a hardy saltwater animal belonging to Arthropoda phylum along with being put in the class Crustacea and the order Cirripedia.Barnacles are usually found attached to ships, rocks, wharves, marine animals and to other hard surfaces.Acorn barnacle, Brown Buckshot barnacle, Goose barnacle and Thatched barnacle are some common types of barnacle. Barnacles are closely related to lobsters and crabs as they too have a hard outer cover.corn barnacle, Brown Buckshot barnacle, Goose barnacle and Thatched barnacle are some common types of barnacle. Barnacles are closely related to lobsters and crabs as they too have a hard outer cover.
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Definitions &Translations Definition of Antrum. 1. n. A cavern or cavity, esp. an anatomical cavity or sinus. Definition of Antrum. 1. Noun. (biology) A bodily cavity, especially one having bony walls, especially one in the sinuses.
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spore (spôr) 1  A usually one-celled reproductive body that can grow into a new organism without uniting with another cell. Spores are haploid (having only a single set of chromosomes). 2  See more at alternation of generations. 3  A similar one-celled body in seed-bearing plants; the macrospore or microspore.
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- appendix noun [ C ] (BODY PART) › plural appendixes a small tube-shaped part that is joined to the intestines on the right side of the body and has no use in humans: She had her appendix out (= medically removed) last summer. Thesaurus: synonyms and related words.