颈环，颈节

linea nuchalis superior【解剖】;superior nuchal line【解剖】

nuchal plane【解剖】;planum nuchale【解剖】

superior nuchal line

nuchal region【解剖】;posterior region of neck【解剖】;regio cervicalis posterior【解剖】

nuchal scute

nuchal flexure

nuchal organ

ligamentum nuchae【解剖】;nuchal ligament【解剖】