MEASUREMENTS OF THE FOSSA OF LACRIMAL SAC AND THE NASO-LACRIMAL CANAL IN THE CHINESE CRANIA
- VernacularTitle:中国人骨性泪囊窝及鼻泪管的测量
- Author:
Xuguang LI
- Publication Type:Journal Article
- From:
Acta Anatomica Sinica
1954;0(02):-
- CountryChina
- Language:Chinese
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Abstract:
The fossa of the lacrimal sac and the naso-lacrimal canal in 506 crania(1,012 sides)of the Chinese were measured.Among them,374 crania are adult male and 132 crania are adult female.The main results obtained are summarized as follows: 1.The fossa of the lacrimal sac: male female average (1)height 16.79mm 16.41mm 16.60mm (2)width 7.74mm 7.57mm 7.66mm (3)width of the portion of the lacri- mal bone 4.08mm 3.87mm 3.98 mm (4)width of the portion of the frontal process of maxilla 5.51mm 5.43mm 5.47mm (5)width of the part anterior to the crest of the frontal process of ma- xilla 7.22mm 6.69mm 6.96mm (6)width of the part posterior to the crest of lacrimal bone 6.93mm 6.80mm 6.87mm (7)deepness 3.44mm 3.34mm 3.39mm (8)thickness of the middle part of ant- erior lacrimal crest 5.68mm 5.22mm 5.45mm (9)distance from anterior ethmoidal foramen to the anterior border of trochlear fossa 20.54mm 20.28mm 20.41mm 2.The naso-lacrimal canal male female average (1)transverse width of the upper ori- fice 6.06mm 5.84mm 5.95mm (2)length 17.29mm 16.29mm 16.79mm (3)distance from the lower orifice to piriform aperture 7.79mm 7.92mm 7.86mm (4)length from the upper orifice to the floor of the inferior nasal me- atus 29.62mm 28.61mm 29.12mm