duct(redirected from allantoic duct)
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1. An often enclosed passage or channel for conveying a substance, especially a liquid or gas.
2. Anatomy A tubular bodily canal or passage, especially one for carrying a glandular secretion: a tear duct.
3. A tube or pipe for enclosing electrical cables or wires.
tr.v. duct·ed, duct·ing, ducts
1. To channel through a duct: duct the moist air away.
2. To supply with ducts.
[Latin ductus, act of leading, from past participle of dūcere, to lead; see deuk- in Indo-European roots.]
1. a tube, pipe, or canal by means of which a substance, esp a fluid or gas, is conveyed
2. (Anatomy) any bodily passage, esp one conveying secretions or excretions
3. (Botany) a narrow tubular cavity in plants, often containing resin or some other substance
4. (Electrical Engineering) Also called: conduit a channel or pipe carrying electric cable or wires
5. (Building) a passage through which air can flow, as in air conditioning
6. (Printing, Lithography & Bookbinding) the ink reservoir in a printing press
[C17: from Latin ductus a leading (in Medieval Latin: aqueduct), from dūcere to lead]
1. any tube, canal, pipe, or conduit by which a liquid, air, or other substance is conducted or conveyed.
2. a tube conveying bodily secretions or excretions.
3. a conducting tube or tubule in plant tissues.
4. a single enclosed runway for electrical conductors or cables.
[1640–50; < Latin ductus conveyance (of water), hence channel (in Medieval Latin) <duc-, variant s. of dūcere to lead, draw]
A tube or tube-like structure through which something flows, especially a tube in the body for carrying a fluid secreted by a gland.
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|Noun||1.||duct - a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"|
pore - any small opening in the skin or outer surface of an animal
passageway, passage - a path or channel or duct through or along which something may pass; "the nasal passages"
canalis vertebralis, spinal canal, vertebral canal - the canal in successive vertebrae through which the spinal cord passes
canaliculus - a small canal or duct as in some bones and parts of plants
canal of Schlemm, Schlemm's canal, sinus venosus sclerae - a circular canal in the eye that drains aqueous humor from the anterior chamber of the eye into the anterior ciliary veins
venous sinus, sinus - a wide channel containing blood; does not have the coating of an ordinary blood vessel
ampulla - the dilated portion of a canal or duct especially of the semicircular canals of the ear
lachrymal duct, lacrimal duct, tear duct - any of several small ducts that carry tears from the lacrimal glands
nasolacrimal duct - a duct that carries tears from the lacrimal sac to the nasal cavity
Haversian canal - any of the many tiny canals that contain blood vessels and connective tissue and that form a network in bone
hepatic duct - the duct that drains bile from the liver
canalis inguinalis, inguinal canal - oblique passage through the lower abdominal wall; in males it is the passage through which the testes descend into the scrotum and it contains the spermatic cord; in females it transmits the round ligament of the uterus
bile duct, common bile duct - a duct formed by the hepatic and cystic ducts; opens into the duodenum
pancreatic duct - a duct connecting the pancreas with the intestine
lymph vessel, lymphatic vessel - a vascular duct that carries lymph which is eventually added to the venous blood circulation
salivary duct - a duct through which saliva passes from the salivary gland into the mouth
aqueductus cerebri, cerebral aqueduct, Sylvian aqueduct - a canal connecting the third and fourth ventricles
ureter - either of a pair of thick-walled tubes that carry urine from the kidney to the urinary bladder
urethra - duct through which urine is discharged in most mammals and which serves as the male genital duct
canalis cervicis uteri, cervical canal - a spindle-shaped canal extending from the uterus to the vagina
vagina - the lower part of the female reproductive tract; a moist canal in female mammals extending from the labia minora to the uterus; "the vagina receives the penis during coitus"; "the vagina is elastic enough to allow the passage of a fetus"
epididymis - a convoluted tubule in each testis; carries sperm to vas deferens
ductus deferens, vas deferens - a duct that carries spermatozoa from the epididymis to the ejaculatory duct
seminal duct - the efferent duct of the testis in man
ejaculatory duct - a part of the seminal duct formed by the duct from the seminal vesicle and the vas deferens; passes through the prostate gland
cartilaginous tube - a duct with cartilaginous walls
bronchiole - any of the smallest bronchial ducts; ending in alveoli
alimentary canal, alimentary tract, digestive tract, digestive tube, gastrointestinal tract, GI tract - tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination
lactiferous duct - ducts of the mammary gland that carry milk to the nipple
|2.||duct - a continuous tube formed by a row of elongated cells lacking intervening end walls|
tracheophyte, vascular plant - green plant having a vascular system: ferns, gymnosperms, angiosperms
laticifer - a plant duct containing latex
|3.||duct - an enclosed conduit for a fluid|
air-intake - a duct that admits air to be mixed with fuel
conduit - a passage (a pipe or tunnel) through which water or electric wires can pass; "the computers were connected through a system of conduits"
pípa, rör; rás
a tube or pipe for fluids etc. a ventilation duct. buis قَناة тръба duto potrubí die Röhre -rør; -ledning; -kanal αγωγόςconducto (toru)juhe, juha لوله putki conduitצינור नाली, मोरी, धमनी vod, cijev za prolaz fluida (cső)vezeték saluran pípa, rör; rás condotto 導管 도관 kanalas, vamzdis cauruļvads tiub leidingkanal, rørkanał, przewód پيپ يا ټوپ conduta conductă канал potrubie vod, cevka cev rörledning, kanal, trumma ท่อ tüp, boru, kanal (輸送流體的)管子 прохід; канал نلکی ، نالی ống dẫn （输送流体的）管
n. conducto, canal;
biliary ___ → ___ biliar;
common bile → colédoco;
cystic ___ → ___ cístico;
deferent ___ → ___ defrente;
ejaculatory ___ → ___ eyaculatorio;
excretory ___ → ___ excretorio;
hepatic ___ → ___ hepático;
lacrimal ___ → ___ lacrimal;
lactiferous ___ → ___ lactífero;
lymphatic ___ → ___ linfático;
mullerian ___ → ___ mullerian;
nasolacrimal ___ → ___ nasolagrimal;
lacrimal ___ → ___ lacrimal;
mammary ___ → ___ mamario;
seminal ___ → ___ seminal;
seminiferous tubule ___ → ___ seminífero.