Also found in: Dictionary, Thesaurus, Legal, Financial, Idioms, Encyclopedia, Wikipedia.


A popular UK term for the compulsory admission of a person to hospital under The Mental Health Act 1983, Section 2 for assessment and Section 3 for treatment.

The cutting of tissues during excision to select material for subsequent histopathological examination.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


[L. sectio, a cutting]
The slicing of thin sections of tissue for examination under the microscope. See: microtome

ultrathin sectioning

The cutting of sections extraordinarily thin (less than 1 µm thick), esp. for use in electron microscopy.
Medical Dictionary, © 2009 Farlex and Partners


1. An informal term, or euphemism, used to describe the implementation of a section of the UK Mental Health Act so that a person suffering from a psychiatric disorder can be detained (See CERTIFICATION OF INSANITY).
2. Cutting a thin slice of tissue for microscopic examination.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

Patient discussion about sectioning

Q. What are the risks of C-section? See that all the pregnant movie stars are having C- sections instead of natural child birth. Maybe I should have one too, instead of giving birth regularly? Are there any risks?

A. Thanks.. Now I understand better the risks of c-section.

Q. How is a C-section done? My wife is expecting twins and her Doctor scheduled a C- section for her. How is it done?

A. My wife had a c-section done when we had our daughter. I did not get to see the procedure, but I did hear it. It was graphic, but really quick.

Q. When is a C-section needed? My wife is pregnant now and I wanted to know when do women need to have a C- section as opposed to natural birth?

A. sually a C- section is done when there are problems during labor like when the baby is in trouble or the labor is stuck and not progressing over a long period of time.

More discussions about sectioning
This content is provided by iMedix and is subject to iMedix Terms. The Questions and Answers are not endorsed or recommended and are made available by patients, not doctors.