childs skull:儿童头骨 详图:

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1

child’s skull

儿童头骨
The skull bones of the fetus and child are separated by membranous spaces (fontanelles). They disappear during the course of ossification.
胎儿和儿童的头骨被膜间隙(囟门)隔开。它们在骨化过程中消失。
2

anterior fontanelle

前囟
Membranous space between the frontal and two parietal bones; it closes usually at the age of two or three years. This is the largest of the fontanelles.
额骨和顶骨之间的膜质间隙;通常在两三岁时闭合。这是最大的囟门。
3

posterior fontanelle

后囱
Membranous space between the occipital and two parietal bones; it closes at about the age of two or three months. This fontanelle is smaller than the anterior fontanelle.
枕骨和两块顶骨之间的膜质间隙;大约在两三个月大时闭合。这个囟门比前囟门小。
4

mastoid fontanelle

乳突囟
Membranous space between the parietal, occipital and temporal bones; it closes at about the age of 18 months. This fontanelle is smaller than the sphenoidal fontanelle.
顶骨、枕骨和颞骨之间的膜性间隙;大约在18个月大时闭合。这个囟门比蝶骨囟门小。
5

sphenoidal fontanelle

蝶骨囟门
Membranous space between the frontal, parietal, temporal and sphenoid bones; it closes at about the age of two or three months.
额骨、顶骨、颞骨和蝶骨之间的膜性间隙;大约在两三个月大时闭合。
简典