1 The cytosponge is a small pill on a string containing a sponge
Pill containing
sponge
Expanded sponge
2 The pill is swallowed and when it reaches the stomach the coating disolves and the sponge expands
String
Oesophagus
Stomach
3 When the sponge is pulled back up it collects some cells lining the oesophagus. The sponge is sent off to the lab for analysis
String
Sponge
collects
cell sample
1 The cytosponge is a small pill on a string containing a sponge
2 The pill is swallowed and when it reaches the stomach the coating disolves and the sponge expands
3 When the sponge is pulled back up it collects some cells lining the oesophagus. The sponge is sent off to the lab for analysis
String
Pill containing
sponge
Sponge
collects
cell sample
String
Oesophagus
Stomach
Expanded sponge