FOETAL HEAD
\fˈiːtə͡l hˈɛd], \fˈiːtəl hˈɛd], \f_ˈiː_t_əl h_ˈɛ_d]\
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The diameters of this at the full period are as follows :-1. The Biparietal or transverse, extending from one parietal protuberance to the other, and measuring 31/2 inches. 2. The Temporal, from one temple to another, 3 inches. 3. The Occipito-mental, from the occiput to the chin; the greatest of all, 5 inches. 4. The Occipito-frontal or antero-posterior, 41/2 or 41/2 inches. 5. The Cervico-bregmatic, from the nape of the neck to the centre of the anterior fontanelle. 6. The Fronto-mental, from the forehead to the chin, about 31/2inches. 7. The Trachelobregmatic, from the front of the neck to the anterior fontanelle, 31/2inches. 8. The Vertical diameter, from the vertex to the base of the cranium.
By Robley Dunglison
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Platidiam
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