Which layers are punctured in the delivery of spinal anesthesia?I. SkinII. Subcutaneous tissueIII. Arachnoid materIV. Dura materV. Pia mater
Question
Which layers are punctured in the delivery of spinal anesthesia?I. SkinII. Subcutaneous tissueIII. Arachnoid materIV. Dura materV. Pia mater
Solution
In the delivery of spinal anesthesia, the following layers are punctured:
I. Skin II. Subcutaneous tissue III. Supraspinous ligament IV. Interspinous ligament V. Ligamentum flavum VI. Epidural space VII. Dura mater VIII. Arachnoid mater
The Pia mater (V) is not punctured during spinal anesthesia. The needle is inserted until it reaches the subarachnoid space, which is located between the arachnoid mater and the pia mater. The anesthetic is then injected into this space.
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