- Types:
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ovipositor
egg-laying tubular structure at the end of the abdomen in many female insects and some fishes
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siphon, syphon
a tubular organ in an aquatic animal (especially in mollusks) through which water can be taken in or expelled
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comb-plate, ctene
a locomotor organ consisting of a row of strong cilia whose bases are fused
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wing
a movable organ for flying (one of a pair)
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foot, invertebrate foot
any of various organs of locomotion or attachment in invertebrates
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sucker
an organ specialized for sucking nourishment or for adhering to objects by suction
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stinger
a sharp organ of offense or defense (as of a wasp or stingray or scorpion) often connected with a poison gland
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contractile organ, contractor
a bodily organ that contracts
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anlage, primordium
an organ in its earliest stage of development; the foundation for subsequent development
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vital organ, vitals
a bodily organ that is essential for life
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effector
an organ (a gland or muscle) that becomes active in response to nerve impulses
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external organ
an organ that is situated on or near the surface of the body
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internal organ, viscus
a main organ that is situated inside the body
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receptor, sense organ, sensory receptor
an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation
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clapper, glossa, lingua, tongue
a mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity
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organ of speech, speech organ, vocal organ
any of the organs involved in speech production
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crystalline lens, lens, lens of the eye
biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina
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gland, secreter, secretor, secretory organ
any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream
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cell organ, cell organelle, organelle
a specialized part of a cell; analogous to an organ
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end organ
a specialized structure at the peripheral end of some motor or sensory nerve fibers
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reproductive organ, sex organ
any organ involved in sexual reproduction
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target organ
(radiology) organ intended to receive the therapeutic dose of a radioactive substance
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taret organ
(endocrinology) organ most affected by a particular hormone
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erectile organ
an organ containing erectile tissue
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cilium
a hairlike projection from the surface of a cell; provides locomotion in free-swimming unicellular organisms
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aculeus
a sharp-pointed process especially a sting of a hymenopterous insect
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green gland
one of a pair of glands (believed to have excretory functions) in some crustaceans near the base of the large antennae
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ala
a wing of an insect
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fore wing, fore-wing, forewing
either of the anterior pair of wings on an insect that has four wings
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balancer, halter, haltere
either of the rudimentary hind wings of dipterous insects; used for maintaining equilibrium during flight
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pennon, pinion
wing of a bird
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elytron, wing case
either of the horny front wings in beetles and some other insects which cover and protect the functional hind wings
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tube foot
tentacular tubular process of most echinoderms (starfish and sea urchins and holothurians) having a sucker at the end and used for e.g. locomotion and respiration
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cupule
a sucker on the feet of certain flies
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lateral line, lateral line organ
sense organs of fish and amphibians; believed to detect pressure changes in the water
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sericterium, serictery, silk gland
silk-producing gland of insects (especially of a silkworm) or spiders
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muscle, musculus
one of the contractile organs of the body
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entrails, innards, viscera
internal organs collectively (especially those in the abdominal cavity)
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enteroceptor, interoceptor
any receptor that responds to stimuli inside the body
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exteroceptor
any receptor that responds to stimuli outside the body
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pineal eye, third eye
a sensory structure capable of light reception located on the dorsal side of the diencephalon in various reptiles
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baroreceptor
a sensory receptor that responds to pressure
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chemoreceptor
a sensory receptor that responds to chemical stimuli
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thermoreceptor
a sensory receptor that responds to heat and cold
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articulator
a movable speech organ
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glottis
the vocal apparatus of the larynx; the true vocal folds and the space between them where the voice tone is generated
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eye, oculus, optic
the organ of sight
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ear
the sense organ for hearing and equilibrium
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organ of hearing
the part of the ear that is responsible for sensations of sound
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inner ear, internal ear, labyrinth
a complex system of interconnecting cavities; concerned with hearing and equilibrium
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semicircular canal
one of three tube loops filled with fluid and in planes nearly at right angles with one another; concerned with equilibrium
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stretch receptor
a receptor in a muscle that responds to stretching of the muscle tissue
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external ear, outer ear
the part of the ear visible externally
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duct gland, exocrine, exocrine gland
a gland that secretes externally through a duct
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ductless gland, endocrine, endocrine gland
any of the glands of the endocrine system that secrete hormones directly into the bloodstream
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excretory organ, urinary organ
an organ that separates waste substances from the blood and discharges them
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liver
large and complicated reddish-brown glandular organ located in the upper right portion of the abdominal cavity; secretes bile and functions in metabolism of protein and carbohydrate and fat; synthesizes substances involved in the clotting of the blood; synthesizes vitamin A; detoxifies poisonous substances and breaks down worn-out erythrocytes
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heart, pump, ticker
the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body
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breadbasket, stomach, tum, tummy
an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion
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lysosome
an organelle found in the cytoplasm of most cells (especially in leukocytes and liver and kidney cells)
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cell nucleus, karyon, nucleus
a part of the cell containing DNA and RNA and responsible for growth and reproduction
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nucleole, nucleolus
a small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis
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chondriosome, mitochondrion
an organelle containing enzymes responsible for producing energy
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centriole
one of a pair of small cylindrical cell organelles near the nucleus in animal cells; composed of nine triplet microtubules and form the asters during mitosis
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ribosome
an organelle in the cytoplasm of a living cell; they attach to mRNA and move down it one codon at a time and then stop until tRNA brings the required amino acid; when it reaches a stop codon it falls apart and releases the completed protein molecule for use by the cell
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end-plate, endplate, motor end plate
the flattened end of a motor neuron that transmits neural impulses to a muscle
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osmoreceptor
sensory end organ that responds to changes in osmotic pressure
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precordium
the external surface of the body overlying the heart and stomach
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crotch, genital organ, genitalia, genitals, private parts, privates
external sex organ
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female internal reproductive organ
the reproductive organs of a woman
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male internal reproductive organ
the reproductive organs of a man
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button, clit, clitoris
a female sexual organ homologous to the penis
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male reproductive gland
the reproductive organs of a man
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member, penis, phallus
the male organ of copulation (`member' is a euphemism)
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respiratory organ
any organ involved in the process of respiration
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larynx, voice box
a cartilaginous structure at the top of the trachea; contains elastic vocal cords that are the source of the vocal tone in speech
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bowel, gut, intestine
the part of the alimentary canal between the stomach and the anus
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hindgut
the caudal part of the alimentary canal in vertebrate embryos
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mamilla, mammilla, nipple, pap, teat, tit
the small projection of a mammary gland
