ductus nasolacrimalis - определение. Что такое ductus nasolacrimalis
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Что (кто) такое ductus nasolacrimalis - определение

CARRIES TEARS FROM THE LACRIMAL SAC OF THE EYE INTO THE NASAL CAVITY
Tear duct; Tear ducts; Tear Duct; Naso-lacrimal canal opening; Naso-lacrimal duct; Tear-duct; Nasolacrimal passage; Nasolacrymal passage; Tear canal; Nasolacrimal ducts; Ductus nasolacrimalis; Nasolacrymal ducts; Nasolacrymal duct; Tearduct

Patent ductus arteriosus         
CONDITION WHEREIN THE DUCTUS ARTERIOSUS FAILS TO CLOSE AFTER BIRTH
Patent ductus; Ductus arteriosus, patent; Patent Ductus Arteriosus; Ductus arteriosus persistens; Adult patent ductus arteriosus; Persistent ductus arteriosus
Patent ductus arteriosus (PDA) is a medical condition in which the ductus arteriosus fails to close after birth: this allows a portion of oxygenated blood from the left heart to flow back to the lungs by flowing from the aorta, which has a higher pressure, to the pulmonary artery. Symptoms are uncommon at birth and shortly thereafter, but later in the first year of life there is often the onset of an increased work of breathing and failure to gain weight at a normal rate.
Ductus (linguistics)         
QUALITIES AND CHARACTERISTICS OF SPEAKING OR WRITING INSTANTIATED IN THE ACT OF SPEAKING OR THE FLOW OF WRITING THE TEXT; (UNLIKE RHYTHM) PERFORMATIVE QUALITY THAT EMERGES BY ACTUATING THE METRICALLY ARRANGED LANGUAGE IN VOICE
Ductus (Linguistics)
In linguistics, ductus is the qualities and characteristics of speaking or writing instantiated in the act of speaking or the flow of writing the text. For instance, in writing, ductus includes the direction, sequencing, and speed with which the strokes making up a character are drawn.
Ductus arteriosus         
BLOOD VESSEL CONNECTING THE PULMONARY ARTERY TO THE PROXIMAL DESCENDING AORTA
Ductus arteriosum; Ductus arteriosis; Ductus Botalli; Botallo's duct; Ductus Layton; Ductus botalli
The ductus arteriosus, also called the ductus Botalli, named after the Italian physiologist Leonardo Botallo, is a blood vessel in the developing fetus connecting the trunk of the pulmonary artery to the proximal descending aorta. It allows most of the blood from the right ventricle to bypass the fetus's fluid-filled non-functioning lungs.

Википедия

Nasolacrimal duct

The nasolacrimal duct (also called the tear duct) carries tears from the lacrimal sac of the eye into the nasal cavity. The duct begins in the eye socket between the maxillary and lacrimal bones, from where it passes downwards and backwards. The opening of the nasolacrimal duct into the inferior nasal meatus of the nasal cavity is partially covered by a mucosal fold (valve of Hasner or plica lacrimalis).

Excess tears flow through the nasolacrimal duct which drains into the inferior nasal meatus. This is the reason the nose starts to run when a person is crying or has watery eyes from an allergy, and why one can sometimes taste eye drops. This is for the same reason when applying some eye drops it is often advised to close the nasolacrimal duct by pressing it with a finger to prevent the medicine from escaping the eye and having unwanted side effects elsewhere in the body as it will proceed through the canal to the Nasal Cavity.

Like the lacrimal sac, the duct is lined by stratified columnar epithelium containing mucus-secreting goblet cells, and is surrounded by connective tissue.