
3 4 c m
40cm
actual image size: 32cm x 26cm
Description
Laminaria tents are a genus of kelp or seaweed which when dried has the ability to absorb water and expand with considerable force. They expand gradually to up to four times their original diameter, and are used to dilate the uterine cervical canal.
Image Details
Image Ref.
10328816
© Science Museum / Science & Society Picture Library