As well as using eye drops, dry eyes can be helped by taking a supplement of omega 3,6 and 9. Sjogrenâs syndrome: An auto-immune condition affecting around half a million people in the UK, this causes the body to attack its own moisture-producing glands, leading to abnormal dryness of the eyes, says Mr Allamby.
The endoplasmic reticulum (ER) is a network of membrane-enclosed tubules and sacs (cisternae) that extends from the nuclear membrane throughout the cytoplasm (Figure 9.1).
Rough Endoplasmic Reticulum Function. The endoplasmic reticulum (ER) is an organelle in eukaryotes that forms an interconnected network of vesicles, tubules, and cisternae within cells. There are two types of endoplasmic reticulum: the rough and smooth endoplasmic reticulum.