Anatomical Abnormality

MeSH ID: T190

Related Concepts:

  • Acquired Encephalocele [M0337002]
  • Anal Fistula [M0018656]
  • Aneurysm [M0001174]
    A sac formed by the dilatation of the wall of an artery, a vein, or the heart.
  • Anterior Urethral Stricture [M0491662]
  • Aortic Aneurysm [M0001545]
    Aneurysm of the aorta.
  • Aphakia [M0001569]
    Absence of crystalline lens totally or partially from field of vision, from any cause except after cataract extraction. Aphakia is mainly congenital or as result of LENS DISLOCATION AND SUBLUXATION.
  • Arterio-Arterial Fistula [M0001732]
    Abnormal communication between two arteries that may result from injury or occur as a congenital abnormality.
  • Arteriovenous Fistula [M0001737]
    An abnormal communication between an artery and a vein.
  • Biliary Fistula [M0002489]
    Abnormal passage in any organ of the biliary tract or between biliary organs and other organs.
  • Breast Cyst [M0008439]
    A fluid-filled closed cavity or sac that is lined by an EPITHELIUM and found in the BREAST. It may appear as a single large cyst in one breast, multifocal, or bilateral in FIBROCYSTIC BREAST DISEASE.
  • Cavus Deformity [M0008716]
  • Central Nervous System Vascular Malformations [M0328060]
    Congenital or acquired malformations involving arteries, veins, or venous sinuses of the brain, spinal cord, and meninges.
  • Cholecystoduodenal Fistula [M0444725]
  • Claw Toe [M0413656]
  • Colonic Polyps [M0004818]
    Discrete tissue masses that protrude into the lumen of the COLON. These POLYPS are connected to the wall of the colon either by a stalk, pedunculus, or by a broad base.
  • Colovesical Fistula [M0444726]
  • Communicating Hydrocephalus [M0335280]
  • Cutaneous Fistula [M0026639]
    An abnormal passage or communication leading from an internal organ to the surface of the body.
  • Cysts [M0005563]
    Any fluid-filled closed cavity or sac that is lined by an EPITHELIUM. Cysts can be of normal, abnormal, non-neoplastic, or neoplastic tissues.
  • Deformed Pupil [M0337228]
  • Dental Fistula [M0005882]
    An abnormal passage in the oral cavity on the gingiva.
  • Digestive System Fistula [M0024665]
    An abnormal passage communicating between any components of the digestive system, or between any part of the digestive system and surrounding organ(s).
  • Diverticulum [M0006632]
    A pathological condition manifested as a pouch or sac opening from a tubular or saccular organ.
  • Diverticulum, Colon [M0359411]
    A pouch or sac opening from the COLON.
  • Diverticulum, Esophageal [M0007748]
    Saccular protrusion beyond the wall of the ESOPHAGUS.
  • Diverticulum, Stomach [M0020543]
    Saccular, outward protrusion of all or a portion of the wall of the STOMACH.
  • Dural Arteriovenous Fistula [M0336794]
  • Ectopic Pupil [M0337229]
  • Encephalocele, Sincipital [M0337003]
  • Enterocele [M0010260]
    An intestinal HERNIA.
  • Enterocutaneous Fistula [M0444724]
  • Esophageal Fistula [M0007749]
    Abnormal passage communicating with the ESOPHAGUS. The most common type is TRACHEOESOPHAGEAL FISTULA between the esophagus and the TRACHEA.
  • Facial Asymmetry [M0008110]
    Congenital or acquired asymmetry of the face.
  • Fistula [M0008526]
    Abnormal communication most commonly seen between two internal organs, or between an internal organ and the surface of the body.
  • Flatfoot [M0008542]
    A condition in which one or more of the arches of the foot have flattened out.
  • Foot Deformities [M0008717]
    Alterations or deviations from normal shape or size which result in a disfigurement of the foot.
  • Frontal Encephalocele [M0337000]
  • Gastric Fistula [M0009003]
    Abnormal passage communicating with the STOMACH.
  • Hallux Valgus [M0009766]
    Lateral displacement of the great toe (HALLUX), producing deformity of the first METATARSOPHALANGEAL JOINT with callous, bursa, or bunion formation over the bony prominence.
  • Hallux Varus [M0475616]
    Displacement of the great toe (HALLUX) towards the midline or away from the other TOES. It can be congenital or acquired.
  • Hammer Toe [M0413655]
  • Hammer Toe Syndrome [M0413654]
    A condition characterized by a series of interrelated digital symptoms and joint changes of the lesser digits and METATARSOPHALANGEAL JOINTS of the FOOT. The syndrome can include some or all of the following conditions: hammer toe, claw toe, mallet toe, overlapping fifth toe, curly toe, EXOSTOSIS; HYPEROSTOSIS; interdigital heloma, or contracted toe.
  • Hand Deformities [M0009779]
    Alterations or deviations from normal shape or size which result in a disfigurement of the hand.
  • Heart Aneurysm [M0009937]
    An aneurysmal dilatation of a portion of the wall of the ventricle, usually the left, or, rarely, a saccular protrusion through it (false aneurysm of the heart). It is usually consequent to myocardial infarction but other causes such as bacterial endocarditis or trauma have been described. (Dorland, 28th ed)
  • Hernia [M0010259]
    Protrusion of tissue, structure, or part of an organ through the muscular tissue or the membrane by which it is normally contained. Hernia may involve tissues such as the ABDOMINAL WALL or the respiratory DIAPHRAGM. Hernias may be internal, external, congenital, or acquired.
  • Hernia, Abdominal [M0454342]
    A protrusion of abdominal structures through the retaining ABDOMINAL WALL. It involves two parts: an opening in the abdominal wall, and a hernia sac consisting of PERITONEUM and abdominal contents. Abdominal hernias include groin hernia (HERNIA, FEMORAL; HERNIA, INGUINAL) and VENTRAL HERNIA.
  • Hernia, Diaphragmatic [M0010261]
    Protrusion of abdominal structures into the THORAX as a result of congenital or traumatic defects in the respiratory DIAPHRAGM.
  • Hernia, Diaphragmatic, Traumatic [M0010262]
    The type of DIAPHRAGMATIC HERNIA caused by TRAUMA or injury, usually to the ABDOMEN.
  • Hernia, Hiatal [M0010264]
    STOMACH herniation located at or near the diaphragmatic opening for the ESOPHAGUS, esophageal hiatus. When the ESOPHAGOGASTRIC JUNCTION is above the DIAPHRAGM, it is called a SLIDING HIATAL HERNIA. When the ESOPHAGOGASTRIC JUNCTION is below the DIAPHRAGM, it is called a PARAESOPHAGEAL HIATAL HERNIA.
  • Hernia, Inguinal [M0010267]
    An abdominal hernia with an external bulge in the GROIN region. It can be classified by the location of herniation. Indirect inguinal hernias occur through the internal inguinal ring. Direct inguinal hernias occur through defects in the ABDOMINAL WALL (transversalis fascia) in Hesselbach's triangle. The former type is commonly seen in children and young adults; the latter in adults.
  • Hernia, Umbilical [M0010269]
    A HERNIA due to an imperfect closure or weakness of the umbilical ring. It appears as a skin-covered protrusion at the UMBILICUS during crying, coughing, or straining. The hernia generally consists of OMENTUM or SMALL INTESTINE. The vast majority of umbilical hernias are congenital but can be acquired due to severe abdominal distention.
  • Hernia, Ventral [M0010271]
    A hernia caused by weakness of the anterior ABDOMINAL WALL due to midline defects, previous incisions, or increased intra-abdominal pressure. Ventral hernias include UMBILICAL HERNIA, incisional, epigastric, and spigelian hernias.
  • Hydatid of Morgagni [M0482723]
  • Hydrocephalus [M0010699]
    Excessive accumulation of cerebrospinal fluid within the cranium which may be associated with dilation of cerebral ventricles, INTRACRANIAL HYPERTENSION; HEADACHE; lethargy; URINARY INCONTINENCE; and ATAXIA (and in infants macrocephaly). This condition may be caused by obstruction of cerebrospinal fluid pathways due to neurologic abnormalities, INTRACRANIAL HEMORRHAGES; CENTRAL NERVOUS SYSTEM INFECTIONS; BRAIN NEOPLASMS; CRANIOCEREBRAL TRAUMA; and other conditions. Impaired resorption of cerebrospinal fluid from the arachnoid villi results in a communicating form of hydrocephalus. Hydrocephalus ex-vacuo refers to ventricular dilation that occurs as a result of brain substance loss from CEREBRAL INFARCTION and other conditions.
  • Hydrocephalus Ex-Vacuo [M0335284]
  • Hypertrophy [M0010875]
    General increase in bulk of a part or organ due to CELL ENLARGEMENT and accumulation of FLUIDS AND SECRETIONS, not due to tumor formation, nor to an increase in the number of cells (HYPERPLASIA).
  • Inguinal Hernia, Direct [M0453544]
  • Inguinal Hernia, Indirect [M0453543]
  • Intestinal Fistula [M0011571]
    An abnormal anatomical passage between the INTESTINE, and another segment of the intestine or other organs. External intestinal fistula is connected to the SKIN (enterocutaneous fistula). Internal intestinal fistula can be connected to a number of organs, such as STOMACH (gastrocolic fistula), the BILIARY TRACT (cholecystoduodenal fistula), or the URINARY BLADDER of the URINARY TRACT (colovesical fistula). Risk factors include inflammatory processes, cancer, radiation treatment, and surgical misadventures (MEDICAL ERRORS).
  • Intestinal Polyps [M0011578]
    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.
  • Keyhole Pupil [M0337231]
  • Lacrimal Duct Obstruction [M0012137]
    Interference with the secretion of tears by the lacrimal glands. Obstruction of the lacrimal sac or nasolacrimal duct causing acute or chronic inflammation of the lacrimal sac (DACRYOCYSTITIS). It is caused also in infants by failure of the nasolacrimal duct to open into the inferior meatus and occurs about the third week of life. In adults occlusion may occur spontaneously or after injury or nasal disease. (Newell, Ophthalmology: Principles and Concepts, 7th ed, p250)
  • Leg Length Inequality [M0012285]
    A condition in which one of a pair of legs fails to grow as long as the other, which could result from injury or surgery.
  • Leukokeratosis [M0494277]
    Leukoplakic lesions related to abnormal keratin fiber formation.
  • Leukoplakia [M0012422]
    A white patch lesion found on a MUCOUS MEMBRANE that cannot be scraped off. Leukoplakia is generally considered a precancerous condition, however its appearance may also result from a variety of HEREDITARY DISEASES.
  • Lordosis [M0012699]
    The anterior concavity in the curvature of the lumbar and cervical spine as viewed from the side. The term usually refers to abnormally increased curvature (hollow back, saddle back, swayback). It does not include lordosis as normal mating posture in certain animals ( = POSTURE + SEX BEHAVIOR, ANIMAL).
  • Lymphangiectasis, Intestinal [M0012785]
    Dilatation of the intestinal lymphatic system usually caused by an obstruction in the intestinal wall. It may be congenital or acquired and is characterized by DIARRHEA; HYPOPROTEINEMIA; peripheral and/or abdominal EDEMA; and PROTEIN-LOSING ENTEROPATHIES.
  • Mallet Toe [M0413657]
  • Malocclusion [M0012940]
    Such malposition and contact of the maxillary and mandibular teeth as to interfere with the highest efficiency during the excursive movements of the jaw that are essential for mastication. (Jablonski, Illustrated Dictionary of Dentistry, 1982)
  • Metatarsal Deformity [M0008718]
  • Metatarsus Primus Varus [M0475602]
    Angulation of the first metatarsal bone towards the midline. This is associated with angulation of the phalanges of the same toe away from the midline (HALLUX VALGUS).
  • Morphea [M0449200]
  • Nasal Polyps [M0014487]
    Focal accumulations of EDEMA fluid in the NASAL MUCOSA accompanied by HYPERPLASIA of the associated submucosal connective tissue. Polyps may be NEOPLASMS, foci of INFLAMMATION, degenerative lesions, or malformations.
  • Obstructive Hydrocephalus [M0335282]
  • Occipital Encephalocele [M0337001]
  • Occluded Pupils [M0337233]
  • Open Bite [M0012943]
    A condition in which certain opposing teeth fail to establish occlusal contact when the jaws are closed.
  • Oral Fistula [M0024666]
    An abnormal passage within the mouth communicating between two or more anatomical structures.
  • Oroantral Fistula [M0015436]
    A fistula between the maxillary sinus and the oral cavity.
  • Osteolysis, Essential [M0015537]
    Syndromes of bone destruction where the cause is not obvious such as neoplasia, infection, or trauma. The destruction follows various patterns: massive (Gorham disease), multicentric (HAJDU-CHENEY SYNDROME), or carpal/tarsal.
  • Pancreatic Fistula [M0015798]
    Abnormal passage communicating with the PANCREAS.
  • Paraesophageal Hiatal Hernia [M0010265]
    A HIATAL HERNIA in which the STOMACH herniation is located alongside the ESOPHAGUS and the ESOPHAGOGASTRIC JUNCTION is in its normal position below the DIAPHRAGM.
  • Paratubal Cyst [M0482722]
  • Parovarian Cyst [M0015978]
    A cyst (CYSTS) near the OVARY, derived from anomalies of the FALLOPIAN TUBES or the BROAD LIGAMENT. The paramesonephric type consists of ciliated cells similar to the oviduct epithelium. The mesonephric type consisted of an epithelium with minimally surface structures. They can be found on the thin oviduct (paratubal cysts) or near its fimbriated end (hydatid of Morgagni).
  • Pes Cavus [M0008719]
  • Polyps [M0017240]
    Discrete abnormal tissue masses that protrude into the lumen of the DIGESTIVE TRACT or the RESPIRATORY TRACT. Polyps can be spheroidal, hemispheroidal, or irregular mound-shaped structures attached to the MUCOUS MEMBRANE of the lumen wall either by a stalk, pedunculus, or by a broad base.
  • Pontine Capillary Telangiectasias [M0336795]
  • Posterior Urethral Stricture [M0491663]
  • Prolapse [M0017692]
    The protrusion of an organ or part of an organ into a natural or artificial orifice.
  • Pterygium [M0018079]
    An abnormal triangular fold of membrane in the interpalpebral fissure, extending from the conjunctiva to the cornea, being immovably united to the cornea at its apex, firmly attached to the sclera throughout its middle portion, and merged with the conjunctiva at its base. (Dorland, 27th ed)
  • Pulmonary Valve Stenosis [M0018143]
  • Pupillary Sphincter Rupture [M0337237]
  • Rectal Fistula [M0018655]
    An abnormal anatomical passage connecting the RECTUM to the outside, with an orifice at the site of drainage.
  • Rectovaginal Fistula [M0018660]
    An abnormal anatomical passage between the RECTUM and the VAGINA.
  • Respiratory Tract Fistula [M0024667]
    An abnormal passage communicating between any component of the respiratory tract or between any part of the respiratory system and surrounding organs.
  • Rudimentary Meningocele [M0337006]
  • Salivary Gland Fistula [M0019376]
    A fistula between a salivary duct or gland and the cutaneous surface of the oral cavity.
  • Scoliosis [M0019552]
    An appreciable lateral deviation in the normally straight vertical line of the spine. (Dorland, 27th ed)
  • Sliding Hiatal Hernia [M0010266]
    The most common kind of HIATAL HERNIA in which the ESOPHAGOGASTRIC JUNCTION slides above the DIAPHRAGM into the THORAX.
  • Tooth, Impacted [M0021700]
    A tooth that is prevented from erupting by a physical barrier, usually other teeth. Impaction may also result from orientation of the tooth in an other than vertical position in the periodontal structures.
  • Tracheoesophageal Fistula [M0021749]
    Abnormal passage between the ESOPHAGUS and the TRACHEA, acquired or congenital, often associated with ESOPHAGEAL ATRESIA.
  • Tricuspid Valve Stenosis [M0021950]
    The pathologic narrowing of the orifice of the tricuspid valve. (Stedman, 25th ed)
  • Urethral Stricture [M0022335]
    Narrowing of any part of the URETHRA. It is characterized by decreased urinary stream and often other obstructive voiding symptoms.
  • Urinary Bladder Fistula [M0002633]
    An abnormal passage in the URINARY BLADDER or between the bladder and any surrounding organ.
  • Urinary Bladder Neck Obstruction [M0002634]
    Blocked urine flow through the bladder neck, the narrow internal urethral opening at the base of the URINARY BLADDER. Narrowing or strictures of the URETHRA can be congenital or acquired. It is often observed in males with enlarged PROSTATE GLAND.
  • Urinary Fistula [M0022369]
    An abnormal passage in any part of the URINARY TRACT between itself or with other organs.
  • Vaginal Fistula [M0022483]
    An abnormal anatomical passage that connects the VAGINA to other organs, such as the bladder (VESICOVAGINAL FISTULA) or the rectum (RECTOVAGINAL FISTULA).
  • Vascular Fistula [M0024668]
    An abnormal passage between two or more arteries, or between an artery and a vein.
  • Vascular Malformations, Brain [M0336790]
  • Vesicovaginal Fistula [M0022635]
    An abnormal anatomical passage between the URINARY BLADDER and the VAGINA.