dura mater
Meanings
noun
- The tough and inflexible outermost of the three layers of the meninges, enveloping the brain and spinal cord.
Pronunciation
Word forms
Etymology
First attested c. 1400, borrowing from Medieval Latin dūra māter (literally “firm, strict mother”), ellipsis of dūra māter cerebrī (literally “hard mother of the brain”), calque of Arabic أُمّ الدِّمَاغ الصَفِيقَة (ʔumm al-ddimāḡ aṣ-ṣafīqa, literally “thick mother of the brain”).
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