Nuchal

Some articles on nuchal:

Nuchal Scan - Accuracy
... Between 65 and 85% of trisomic fetuses will have a large nuchal thickness ... Further, other, non-trisomic abnormalities may also demonstrate an enlarged nuchal transparency ... This leaves the measurement of nuchal transparency as a potentially useful 1st trimester screening tool ...
Squama Occipitalis - External Surface
... The upper, often faintly marked, is named the highest nuchal line, and to it the galea aponeurotica is attached ... The lower is termed the superior nuchal line ... That part of the squama which lies above the highest nuchal lines is named the planum occipitale and is covered by the Occipitalis muscle ...
Nuchal Cord
... A nuchal cord occurs when the umbilical cord becomes wrapped around the fetal neck 360 degrees ... Nuchal cords are very common, with prevalence rates of 6% to 37% ... Up to half of nuchal cords resolve before delivery ...
Nuchal Lines
... The nuchal lines are four curved lines on the external surface of the occipital bone The upper, often faintly marked, is named the highest nuchal line, but is sometimes referred to as the Mempin Line, and ... Below the highest nuchal line is the superior nuchal line ... protuberance a ridge or crest, the median nuchal line, often faintly marked, descends to the foramen magnum, and affords attachment to the ligamentum nuchæ ...
Nuchal Organ
... The nuchal organ is a ciliated pit or groove present at the posterior end of the prostomium of annelid worms, some cephalopods, and other invertebrates ... Annelids only possess one nuchal organ, although the nature of the grooving may make it appear to be a pair of organs ...