Rectal Bleeding Glossary of Terms

The following are health and medical definitions of terms that appear in the Rectal Bleeding article.

Abdomen: The belly, that part of the body that contains all of the structures between the...

See the entire definition of Abdomen

Abdominal: Relating to the abdomen, the belly, that part of the body that contains all of ...

See the entire definition of Abdominal

Abdominal pain: Pain in the belly. Abdominal pain can be acute or chronic. It may reflect ...

See the entire definition of Abdominal pain

Acute: Of abrupt onset, in reference to a disease. Acute often also connotes an illness th...

See the entire definition of Acute

Anal fissure: A tear in the anal canal, one of the most common causes of red blood in the ...

See the entire definition of Anal fissure

Anal itching: Irritation of the skin at the exit of the rectum, accompanied by the desire ...

See the entire definition of Anal itching

Angiography: A procedure performed to view blood vessels after injecting them with a radio...

See the entire definition of Angiography

Anoscopy: Anoscopy is a procedure used to visualize the wall of the anus and lowest portio...

See the entire definition of Anoscopy

Anus: The opening of the rectum to the outside of the body.

Bacterial: Of or pertaining to bacteria, as in a bacterial lung infection.

Barium: 1. A metallic element belonging to the alkaline earths with an atomic numbe...

See the entire definition of Barium

Barium enema: An enema using a white, chalky solution containing barium, in preparation fo...

See the entire definition of Barium enema

Barium enema x-ray: See: Lower GI series.

Benign: Not malignant. A benign tumor is one that does not invade surrounding tissue or sp...

See the entire definition of Benign

Blood pressure: The blood pressure is the pressure of the blood within the arteries. It is...

See the entire definition of Blood pressure back to top

Blood transfusion: The transfer of blood or blood components from one person (the donor) i...

See the entire definition of Blood transfusion

Bowel: The small and large intestine.

Breathing: The process of respiration, during which air is inhaled into the lungs through ...

See the entire definition of Breathing

Campylobacter jejuni: A bacterium that typically infects the bowels. Now the leading cause...

See the entire definition of Campylobacter jejuni

Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, ...

See the entire definition of Cancer

Capillaries: Capillaries are the smallest of blood vessels. They serve to distribute oxyge...

See the entire definition of Capillaries

Cell: The basic structural and functional unit of any living thing. Each cell is a small c...

See the entire definition of Cell

Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

See the entire definition of Chronic

Clostridium: A group of anaerobic bacteria (bacteria that thrive in the absence of oxygen)...

See the entire definition of Clostridium

Clostridium difficile: A bacterium that is one of the most common causes of infection of t...

See the entire definition of Clostridium difficile

Colitis: Inflammation of the large intestine (the colon). There are many forms of coliti...

See the entire definition of Colitis

Colon: The long, coiled, tubelike organ that removes water from digested food. The remaini...

See the entire definition of Colon

Colonoscopy: A procedure whereby a physician inserts a viewing tube (colonoscope) into the...

See the entire definition of Colonoscopy

Constipation: Infrequent and frequently incomplete bowel movements. Constipation is the op...

See the entire definition of Constipation

Contrast: Short for "contrast media." Contrast media are X-ray dyes used to provide contra...

See the entire definition of Contrast back to top

CT scan: Computed tomography scan. Detailed images of internal organs are obtained by this...

See the entire definition of CT scan

Cuts: Severed skin. Washing a cut or scrape with soap and water and keeping it clean and d...

See the entire definition of Cuts

Dehydration: Excessive loss of body water. Diseases of the gastrointestinal tract that cau...

See the entire definition of Dehydration

Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

See the entire definition of Diagnosis

Diarrhea: A common condition that involves unusually frequent and liquid bowel movements. ...

See the entire definition of Diarrhea

Diverticula: The plural of diverticulum.

Diverticulitis: Inflammation of the diverticula (small outpouchings) along the wall of th...

See the entire definition of Diverticulitis

Diverticulosis: Diverticulosis is the condition of having diverticula, small outpouchings...

See the entire definition of Diverticulosis

Diverticulum: A small bulging sac pushing outward from the colon wall is a diverticulum. A...

See the entire definition of Diverticulum

Dizziness: Painless head discomfort with many possible causes including disturbances of ...

See the entire definition of Dizziness

Duodenum: The first part of the small intestine. The duodenum is a common site for peptic ...

See the entire definition of Duodenum

Dysentery: Inflammation of the intestine, with pain, diarrhea, bloody stools, and often a ...

See the entire definition of Dysentery

Emergency department: The department of a hospital responsible for the provision of medica...

See the entire definition of Emergency department

Enema: Liquid injected into the rectum. An enema may be used for therapeutic (such as to s...

See the entire definition of Enema

Escherichia coli: Full term for E. coli, the colon bacillus.

back to top

Esophagus: The tube that connects the pharynx (throat) with the stomach. The esophagus lie...

See the entire definition of Esophagus

Essential: In medicine, of unknown cause, as in essential hypertension (high blood pressur...

See the entire definition of Essential

Exacerbate: To make worse. For example, smoking may exacerbate lung disease.

Fatigue: A condition characterized by a lessened capacity for work and reduced efficiency ...

See the entire definition of Fatigue

Fever: Although a fever technically is any body temperature above the normal of 98.6 F (37...

See the entire definition of Fever

Fiber: The parts of fruits and vegetables that cannot be digested. Fiber is of vital impor...

See the entire definition of Fiber

Fissure: A cleft or groove. A fissure can be normal or abnormal.

Gastric: Having to do with the stomach.

Gastritis: Inflammation of the stomach.

Gastroenterologist: A physician who specializes in the diagnosis and treatment of diseases...

See the entire definition of Gastroenterologist

Gastrointestinal: Adjective referring collectively to the stomach and small and large inte...

See the entire definition of Gastrointestinal

Gastrointestinal tract: The stomach and intestines. Abbreviated GI tract.

Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

See the entire definition of Heart

Heart rate: The number of heartbeats per unit of time, usually per minute. The heart rate ...

See the entire definition of Heart rate

Hemorrhage: Bleeding or the abnormal flow of blood.

back to top

Hemorrhoids: Dilated (enlarged) veins in the walls of the anus and sometimes around the re...

See the entire definition of Hemorrhoids

Indicate: In medicine, to make a treatment or procedure advisable because of a particular ...

See the entire definition of Indicate

Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, an...

See the entire definition of Infection

Inflammation: A localized reaction that produces redness, warmth, swelling, and pain as a ...

See the entire definition of Inflammation

Inflammatory bowel disease: A group of chronic intestinal diseases characterized by infla...

See the entire definition of Inflammatory bowel disease

Injury: Harm or hurt. To harm, hurt, or wound. The word injure may be in physical or emot...

See the entire definition of Injury

Insertion: A chromosome abnormality that is due to insertion of a segment from one chromos...

See the entire definition of Insertion

Intestinal obstruction: Blockage of the intestine by infolding (intussusception), malform...

See the entire definition of Intestinal obstruction

Intussusception: Infolding (prolapse) of a portion of the intestine within another immedia...

See the entire definition of Intussusception

Involuntary: Done other than in accordance with the conscious will of the individual. The ...

See the entire definition of Involuntary

Itching: An uncomfortable sensation in the skin that feels as if something is crawling on ...

See the entire definition of Itching

Large bowel: Another name for the large intestine.

Lightheadedness: A feeling you are "going to faint." Lightheadedness is medically distinc...

See the entire definition of Lightheadedness

Liter: A metric measure of capacity that is equal to the volume of 1 kilogram of water at ...

See the entire definition of Liter

Low blood pressure: Any blood pressure that is below the normal expected for an individua...

See the entire definition of Low blood pressure back to top

Malignant: 1. Tending to be severe and become progressively worse, as in malignant ...

See the entire definition of Malignant

Mucus: A thick fluid that is produced by the lining of some organs of the body.

Nasogastric: Referring to the passage from the nose to the stomach. Abbreviated NG.

Nasogastric tube: A tube that is passed through the nose and down through the nasopharynx ...

See the entire definition of Nasogastric tube

Nose: The external midline projection from the face. The purpose of the nose is to warm, c...

See the entire definition of Nose

Nuclear medicine: The branch of medicine concerned with the use of radioisotopes in the di...

See the entire definition of Nuclear medicine

Obstruction: Blockage of a passageway. See, for example: Airway obstruction; Intestinal o...

See the entire definition of Obstruction

Occult: Hidden. For example, occult blood in the stool is hidden from the eye but can be d...

See the entire definition of Occult

Oxygen: The odorless gas that is present in the air and necessary to maintain life. Oxygen...

See the entire definition of Oxygen

Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

See the entire definition of Pain

Palpitations: Unpleasant sensations of irregular and/or forceful beating of the heart. In ...

See the entire definition of Palpitations

Pelvic: Having to do with the pelvis, the lower part of the abdomen, located between the h...

See the entire definition of Pelvic

Precancerous: Pertaining to something that is not yet overtly cancerous, but appears to be...

See the entire definition of Precancerous

Pregnancy: The state of carrying a developing embryo or fetus within the female body. Thi...

See the entire definition of Pregnancy

Prescription: A physician's order for the preparation and administration of a drug or dev...

See the entire definition of Prescription back to top

Prognosis: The forecast of the probable outcome or course of a disease; the patient's chan...

See the entire definition of Prognosis

Rectal bleeding: Blood passed rectally. Blood in the stool can be bright red or maroon in ...

See the entire definition of Rectal bleeding

Rectum: The last 6 to 8 inches of the large intestine. The rectum stores solid waste until...

See the entire definition of Rectum

Red blood cell: The blood cell that carries oxygen. Red cells contain hemoglobin and it is...

See the entire definition of Red blood cell

Salmonella: A group of bacteria that cause typhoid fever and a number of other illnesses...

See the entire definition of Salmonella

Scan: As a noun, the data or image obtained from the examination of organs or regions of...

See the entire definition of Scan

Sensation: In medicine and physiology, sensation refers to the registration of an incoming...

See the entire definition of Sensation

Shigella: A group of bacteria that can cause infantile gastroenteritis, summer diarrhea of...

See the entire definition of Shigella

Shortness of breath: Difficulty in breathing. Medically referred to as dyspnea. Shortness ...

See the entire definition of Shortness of breath

Sigmoidoscopy: A procedure in which a physician inserts a viewing tube (sigmoidoscope) int...

See the entire definition of Sigmoidoscopy

Steroid: One of a large group of chemical substances classified by a specific carbon struc...

See the entire definition of Steroid

Stomach: The digestive organ that is located in the upper abdomen, under the ribs. The upp...

See the entire definition of Stomach

Stool: The solid matter that is discharged in a bowel movement.

Surgeon: A physician who treats disease, injury, or deformity via operative or manual meth...

See the entire definition of Surgeon

Surgery: The branch of medicine that employs operations in the treatment of disease or inj...

See the entire definition of Surgery back to top

Tear: A drop of the salty secretion of the lacrimal glands which serves to moisten the con...

See the entire definition of Tear

Therapy: The treatment of disease. Therapy is synonymous with treatment.

Thrombosis: The formation or presence of a blood clot in a blood vessel. The vessel may be...

See the entire definition of Thrombosis

Transfusion: The transfer of blood or blood products from one person (the donor) into the ...

See the entire definition of Transfusion

Trauma: A physical or emotional injury.

Tumor: An abnormal mass of tissue. Tumors are a classic sign of inflammation, and can be ...

See the entire definition of Tumor

Ulcer: A lesion that is eroding away the skin or mucous membrane. Ulcers can have various ...

See the entire definition of Ulcer

Ulcerative colitis: A bowel disease that is characterized by inflammation with ulcer forma...

See the entire definition of Ulcerative colitis

Vascular: Relating to blood vessels. For example, the vascular system in the body includes...

See the entire definition of Vascular

Vein: A blood vessel that carries blood that is low in oxygen content from the body back t...

See the entire definition of Vein

Vital: Necessary to maintain life. For example, breathing is a vital function.

Weight loss: Weight loss is a decrease in body weight resulting from either voluntary (die...

See the entire definition of Weight loss

X-ray: High-energy radiation with waves shorter than those of visible light. X-ray is used...

See the entire definition of X-ray back to top






Medical Dictionary