1. Opening into the skull. 2. Formerly used operation for perforation of the head of the fetus, removal of the contents, and compression of the empty skull, when delivery by natural means is impossible. [cranio- + G. tome, incision]
- attached c. c. with a segment of the calvaria and attached soft tissues turned as a flap to expose the cranial cavity. SYN: attached cranial section, osteoplastic c..
- detached c. c. with section of cranium separated from its soft tissue attachments. SYN: detached cranial section.
- osteoplastic c. SYN: attached c..

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cra·ni·ot·o·my .krā-nē-'ät-ə-mē n, pl -mies
1) the operation of cutting or crushing the fetal head to effect delivery <fetal craniotomies...performed to save the life of the mother (R. E. Frisch)>
2) surgical opening of the skull

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1. surgical removal of a portion of the skull (cranium), performed to expose the brain and meninges for inspection or biopsy or to relieve excessive intracranial pressure (as in a subdural haematoma).
2. surgical perforation of the skull of a dead fetus during difficult labour, so that delivery may continue.
For both operations the instrument used is called a craniotome.

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cra·ni·ot·o·my (kra″ne-otґə-me) [cranio- + -tomy] any operation on the cranium; incision into the cranium.

Medical dictionary. 2011.

Look at other dictionaries:

  • Craniotomy — Intervention ICD 9 CM 01.2 MeSH …   Wikipedia

  • Craniotomy — Cra ni*ot o*my (kr? n? ?t ? m?), n. [Cranium + Gr. ???? to cut off.] (Med.) The operation of opening the fetal head, in order to effect delivery. [1913 Webster] …   The Collaborative International Dictionary of English

  • craniotomy — 1855, from CRANIO (Cf. cranio ) + TOMY (Cf. tomy) …   Etymology dictionary

  • craniotomy — [krā΄nē ät′ə mē] n. pl. craniotomies the surgical operation of opening the skull, as for brain operations or in childbirth …   English World dictionary

  • craniotomy — noun (plural mies) Etymology: International Scientific Vocabulary Date: 1855 surgical opening of the skull …   New Collegiate Dictionary

  • craniotomy — /kray nee ot euh mee/, n., pl. craniotomies. Surg. the operation of opening the skull, usually for operations on the brain. [1850 55; CRANIO + TOMY] * * * …   Universalium

  • craniotomy — noun The surgical procedure for removing a part of the skull, called a bone flap, prior to a treatment. The bone flap is replaced at the end of the operation …   Wiktionary

  • craniotomy — n. surgical opening of the skull …   English contemporary dictionary

  • craniotomy — [ˌkreɪnɪ ɒtəmi] noun a surgical removal of part of the skull, performed in order to operate on the brain …   English new terms dictionary

  • craniotomy — cra·ni·ot·o·my …   English syllables

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