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List of terms beginning with Ta

Tai chi

Tai chi (pronounced tie chee) is an ancient Chinese form of coordinated body movements. It aims to develop and harmonise internal energy (chi or qi). So it tries to promote mental and physical wellbeing through softness and relaxation.


Tamoxifen is a hormone treatment for breast cancer. It stops the hormone oestrogen from encouraging breast cancers to grow.

Tamoxifen retinopathy

Tamoxifen retinopathy is a very rare long term side effect of tamoxifen. The light sensitive cells at the back of the eye are damaged, which causes problems with vision. This side effect usually goes away when the drug is stopped.

Target volume

Target volume means the area of the body included when planning and giving external radiotherapy. It includes the tumour and an area around it that is likely to contain microscopic groups of cancer cells. Doctors call this the clinical target volume or CTV.

Taste buds

Taste buds are areas on the tongue which pick up different tastes, such as salty, sweet, sour and bitter. Radiotherapy can damage the taste buds.

Taste changes

Taste changes are a side effect of some chemotherapy drugs and of radiotherapy to the head. Some foods can taste metallic. Others may not taste of anything at all. Taste is usually back to normal after treatment is finished. But some radiotherapy treatment can cause permanent loss of taste.


A tattoo (also called tattoos or pinprick tattoos) is a permanent ink mark on the skin. Tiny pinprick tattoos are sometimes made during radiotherapy planning. These are used to help line up the machine for treatment.


Taxanes are a group of chemotherapy drugs. They block the growth of cancer cells by stopping cells dividing. They were originally developed from the yew tree. This group of drugs includes paclitaxel (Taxol), docetaxel (Taxotere) and cabazitaxel (Jevtana).


Taxol is a chemotherapy drug. It is also called paclitaxel.

Updated: 29 June 2016