| D006967 |
Hypersensitivity |
Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen. |
Allergy,Allergic Reaction,Allergic Reactions,Allergies,Hypersensitivities,Reaction, Allergic,Reactions, Allergic |
|
| D007223 |
Infant |
A child between 1 and 23 months of age. |
Infants |
|
| D007231 |
Infant, Newborn |
An infant during the first 28 days after birth. |
Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants |
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| D007417 |
Intestinal Polyps |
Discrete abnormal tissue masses that protrude into the lumen of the INTESTINE. A polyp is attached to the intestinal wall either by a stalk, pedunculus, or by a broad base. |
Intestinal Polyp,Polyp, Intestinal,Polyps, Intestinal |
|
| D007420 |
Intestine, Large |
A segment of the LOWER GASTROINTESTINAL TRACT that includes the CECUM; the COLON; and the RECTUM. |
Large Intestine |
|
| D007421 |
Intestine, Small |
The portion of the GASTROINTESTINAL TRACT between the PYLORUS of the STOMACH and the ILEOCECAL VALVE of the LARGE INTESTINE. It is divisible into three portions: the DUODENUM, the JEJUNUM, and the ILEUM. |
Small Intestine,Intestines, Small,Small Intestines |
|
| D007443 |
Intussusception |
A form of intestinal obstruction caused by the PROLAPSE of a part of the intestine into the adjoining intestinal lumen. There are four types: colic, involving segments of the LARGE INTESTINE; enteric, involving only the SMALL INTESTINE; ileocecal, in which the ILEOCECAL VALVE prolapses into the CECUM, drawing the ILEUM along with it; and ileocolic, in which the ileum prolapses through the ileocecal valve into the COLON. |
Invagination, Intestinal,Intususception,Intestinal Invagination,Intestinal Invaginations,Intussusceptions,Intususceptions,Invaginations, Intestinal |
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| D008467 |
Meckel Diverticulum |
A congenital abnormality characterized by the outpouching or sac formation in the ILEUM. It is a remnant of the embryonic YOLK SAC in which the VITELLINE DUCT failed to close. |
Diverticulum, Meckel,Meckel's Diverticulum |
|
| D008551 |
Melena |
The black, tarry, foul-smelling FECES that contain degraded blood. |
Melenas |
|
| D011693 |
Purpura |
Purplish or brownish red discoloration, easily visible through the epidermis, caused by hemorrhage into the tissues. When the size of the discolorization is >2-3 cm it is generally called Ecchymoses (ECCHYMOSIS). |
Petechiae,Purpuras |
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