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The organs and system for processing food

abdominal

adjective

in, or happening in, the abdomen

alimentary canal

noun

the system of organs in humans and animals that separates food into smaller parts that the cells can absorb and use. The oesophagus, the stomach, and the intestines are all part of the alimentary canal.

anal

adjective

relating to your anus

anus

noun

the hole in your bottom through which you get rid of solid waste

appendix

noun

a small tube that is joined to your large intestine. It has no particular use and is removed in a medical operation if it becomes infected.

arsehole

noun

an impolite word for the anus

asshole

noun

an arsehole

assimilation

noun

the process of making use of food in the body, for example for growth and repair

back passage

noun

an expression meaning a person’s rectum (=the part of your body where solid waste comes out), used for example by doctors to avoid embarrassing people

belly

noun

a stomach. This word is often used to talk about whether people have enough to eat or not

bile

noun

a green-brown liquid that is made in the liver and helps you to digest fats

bile duct

noun

a tube in the body that carries bile from your liver and your gall bladder to your small intestine

bladder

noun

a part inside your body that is like a bag where urine collects before being passed from the body

bowel

noun

the part of your body where faeces (=solid waste) are formed. This word is usually used in the plural, except in medical language

caecum

noun

the first section of your large intestine that is shaped like a bag and is open at one end

chemical digestion

noun

the process in which chemicals in the body separate large food molecules into smaller ones so they can pass through the wall (=outer layer) of the intestine

colon

noun

the lower part of your bowel (=the tube that takes waste out of your body)

colonic

adjective

relating to your colon

digestion

noun

the process of changing food into the substances that your body needs

digestion

noun

your ability to digest food

digestive

adjective

relating to digestion

digestive system

noun

the system of organs and processes in the body of humans and animals that deals with the digestion of food

duodenal

adjective

affecting the top part of your duodenum

duodenum

noun

the first section of your small intestine, just below your stomach

dyspepsia

noun

indigestion

dyspeptic

adjective

affected by dyspepsia

esophagus

the American spelling of oesophagus

gall bladder

noun

the organ next to your liver where your body stores a liquid called bile

gastric

adjective

relating to your stomach

gastric juices

noun

substances created by your stomach to help it to digest food

gastrointestinal

adjective

relating to your stomach and your intestines

GI

noun

a glycaemic index

glycaemic index

noun

a system for measuring how quickly different foods allow the sugar they contain to spread into the blood. Foods that do this slowly are thought to be better for your health.

gullet

noun

the oesophagus

gut

noun

the tube in your body that carries food away from your stomach. A more technical name for this is the intestine

heartburn

noun

a pain that feels like something is burning in your chest and is a type of indigestion

hepatic

adjective

relating to the liver

hepatic portal vein

noun

the vein that takes blood containing substances from food directly to your liver

ileum

noun

the last section of your small intestine that produces substances that help to digest food

indigestion

noun

pain that you get in your stomach when your body has difficulty in digesting the food you have eaten

intestinal

adjective

relating to your intestines

intestine

noun

the long tube in your body that processes food and carries waste out of your body

juice

noun

the liquid inside your stomach that helps you to digest food (=change food into substances that your body can use)

kidney

noun

one of the two organs in your body that clean your blood and remove waste

large intestine

noun

the wider lower part of your intestine that changes food into solid waste

liver

noun

the organ in your body that cleans your blood and produces bile (=a liquid that helps your body process fat)

metabolic

adjective

relating to your metabolism

metabolism

noun

all the chemical processes by which cells produce the energy and substances necessary for life. Food is separated into the parts it is made up of to produce heat and energy, to repair tissues, and to help growth to happen

oesophagus

noun

the tube in your body that carries food from your mouth to your stomach

pancreas

noun

the small organ in your body that produces substances that help your stomach to process food

pancreatic

adjective

relating to your pancreas

pancreatic duct

noun

a tube in your body that carries liquid from your pancreas through your bile duct into your small intestine

pepsin

noun

a natural substance produced in your stomach that helps your body to use the food you eat

rectal

adjective

relating to the rectum

rectum

noun

the lowest part of the tube through which solid waste leaves your body

renal

adjective

relating to your kidneys

small intestine

noun

the tube in your body that food goes into after it has passed through your stomach

stomach

noun

the organ inside this part of your body where food goes when you have eaten it

stomach

noun

related to the stomach

tum

noun

your stomach

urethra

noun

the tube that carries urine (=liquid waste) out of your body

urinary

adjective

relating to urine (=liquid waste) or to the tubes or organs through which it leaves a person’s or animal’s body

villus

noun

one of a large number of small parts that stick out from the inner wall of the small intestine

waterworks

noun

the system of tubes in a person’s body through which urine (=waste liquid) passes

metabolically

adverb

protologism

a new word or phrase invented in the hope that it will become generally used

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