Nasolacrimal canal

Nasolacrimal canal
Bone: Nasolacrimal canal
Gray896.png
The lacrimal apparatus. Right side.
Tear system.svg
Tear system.

a = lacrimal gland
b = superior lacrimal punctum
c = superior lacrimal canal
d = lacrimal sac
e = inferior lacrimal punctum
f = inferior lacrimal canal
g = nasolacrimal canal
Latin canalis nasolacrimalis

The canal containing the nasolacrimal duct is called the nasolacrimal canal.

It is formed by indentations in the inferior nasal conchae, maxilla and lacrimal bone. It drains to into the nasal cavity through the anterior portion of the inferior meatus which is between the inferior concha and the floor of the nasal cavity.

See also

Additional images

  • The seven bones which articulate to form the orbit.

  • Outline of bones of face, showing position of air sinuses.

External links

v · d · eBones of head and neck: Foramina of the skull (and canals, fissures, meati, and hiati) (TA A02.1.00.053–097, GA 2.178–199)
Anterior cranial fossa
to Orbit: ethmoidal foramina (anterior, posterior)
to Nasal cavity: olfactory foramina (CN-I) · foramen cecum
Middle cranial fossa
Posterior cranial fossa
Orbit

to Nasal cavity: nasolacrimal canal

to Face: supraorbital (notch, foramen) · infraorbital (foramen, groove) · zygomatic foramen (-facial, -temporal)

to Pterygopalatine fossa: inferior orbital fissure

other: Inferior orbital fissure · Fossa for lacrimal sac
Pterygopalatine fossa

to Oral cavity: incisive canals · incisive foramen

to Nasal cavity: Foramen vomerinum · Meatus vomerinus · Fissura vomerina · Hiatus vomerinus
Other

M: BON/CAR

anat(c/f/k/f, u, t/p, l)/phys/devp/cell

noco/cong/tumr, sysi/epon, injr

proc, drug(M5)

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Look at other dictionaries:

  • Nasolacrimal duct — The lacrimal apparatus. Right side. Outline of bones of face, showing position o …   Wikipedia

  • nasolacrimal duct — n a duct that transmits tears from the lacrimal sac to the inferior meatus of the nose called also nasal duct * * * the duct that passes through the hole (nasolacrimal canal) in the palatine bone of the skull. It drains the tears away from the… …   Medical dictionary

  • nasolacrimal duct — the duct that passes through the hole (nasolacrimal canal) in the palatine bone of the skull. It drains the tears away from the lacrimal apparatus into the inferior meatus of the nose …   The new mediacal dictionary

  • canal — A duct or channel; a tubular structure. SEE ALSO: c., duct. SYN: canalis [TA]. [L. canalis] abdominal c. SYN: inguinal c.. accessory c. a channel leading from the root …   Medical dictionary

  • nasal canal — nasolacrimal canal canalis nasolacrimalis …   Medical dictionary

  • nasolacrimal duct — noun a duct that carries tears from the lacrimal sac to the nasal cavity • Hypernyms: ↑duct, ↑epithelial duct, ↑canal, ↑channel * * * Anat. a membranous canal extending from the lacrimal sac to the nasal cavity, through which tears are discharged …   Useful english dictionary

  • nasolacrimal duct — Anat. a membranous canal extending from the lacrimal sac to the nasal cavity, through which tears are discharged into the nose. See diag. under lacrimal gland. * * * …   Universalium

  • Condylar canal — Bone: Condyloid canal Occipital bone. Outer surface. (Condyloid canal visible at center left.) …   Wikipedia

  • Optic canal — Bone: Optic foramen 1: Foramen ethmoidale 2: Canalis opticus 3: Fissura orbitalis superior 4: Fossa sacci lacrimalis 5: Sulcus infraorbitalis 6: Fissura orbitalis inferior 7: Foramen infraorbitale …   Wikipedia

  • Проток Носослезный (Nasolacrimal Duct) — проток, проходящий в одноименном канале (nasolacrimal canal). По нему слеза течет из слезного мешка в нижний носовой ход. Источник: Медицинский словарь …   Медицинские термины

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