| 31. | That below, termed the nuchal plane, is rough and irregular for the attachment of several muscles.
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| 32. | From the external occipital protuberance, an often faintly marked ridge or crest, the inferior nuchal line.
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| 33. | It has a dark discontinuous mid-dorsal line with relatively long hairs that form a nuchal crest.
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| 34. | The neck is elongated and partially covered by a fused collection of bony scutes called a nuchal plate.
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| 35. | The gill is flaplike with a bipectinate ctenidium situated in the nuchal cavity and lacks secondary pallial gills.
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| 36. | The nuchal and dorsal crests are continuous, composed of closely set lanceolate spines with smaller ones at the base.
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| 37. | Techniques to preserve an intact nuchal cord depend on how tightly the cord is wrapped around the infant s neck.
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| 38. | Among those fetuses whose nuchal translucency exceeds the normal values, there is a relatively high risk of significant abnormality.
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| 39. | When nuchal translucency data from approximately 12 weeks gestation was added, this increased the detection rate to 97 %.
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| 40. | This process is broad and rounded at the end, and extends as far as the occipito-nuchal process.
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