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Equine Science Exam
| Question | Answer |
|---|---|
| anemia | deficiency of hemoglobin or low red blood cells |
| anthelmintics | any various classes of drugs used to destry internal parasites |
| ascariasis | any ascarid infestation |
| ascarid | a roundworm |
| asymptomatic | not exhibiting clinical signs |
| bloodworms | large strongyles, so called because of their red color due to ingested blood |
| bots | equine parasite. the adults look like honey bees. they deposit little yellow eggs on the hairs of the legs and the larvae are ingested and burrow into the lining of the stomach |
| caps | remnants of deciduous premolar teeth that are left behind when the permanent premolars erupt. they can get 'stuck' on the tops of the premolars before finally falling off. |
| cheek teeth | general term for the premolar and molar teeth |
| colic | pain in the abdomen |
| cusps | the sharp points of the tooth crown |
| deciduous teeth | "milk teeth," the temporary teeth that are lost to make way for the permanent teeth |
| enamel points | sharp points that develop in the enamel of the teeth, owing to the normal positioning and growth of the teeth in the mouth; the sharp points can be ground down with a special instrument called a dental float |
| etiology | the cause of a disease |
| galvaynes groove | dark line which appears on the upper corner incisor of horses at about 10 years of age. since it extends downward gradually, it can be used to estimate the age of a horse. |
| gas colic | colic caused by over consumption of lush grass feed, resulting in excessive gas production in the intestine |
| gastric | pertaining to the stomach |
| gastritis | inflammation of the stomach |
| host | the living organism in or on which a parasite resides |
| impaction colic | colic resulting in blockage of the intestine; can result from excessive consumption of grain or lush pasture, or ingestion of foreign material |
| incisors | the front teeth |
| infective stage | the specific stage in the life cycle of a parasite that is able to initiate an infection in a definitive or intermediate host |
| inflammation | protective response, often localized, involving white blood cells and other components of the body, wherein a disease agent or other irritant factor is sequestered and atttempts made to destroy it or neutralize effects |
| intermediate host | a host that (usually) is essential to the life cycle of a parasite and in which the parasite undergoes development to juvenile but not mature stages. |
| ivermectin | generic name for one anthelmintic or ani-parasitic agent |
| large strongyles | intestinal parasites also known as bloodworms |
| larva | insect or worm in an immature stage of development |
| larvacide | agent used to kill pests in their immature stage of development |
| parasite | any organism that is dependent in some manner for its continues existence on another organism (its host), most oftem to the detriment of the host |
| pinworm | roundworm parasite residing in the horse's rectum where the female then lays eggs around the anal opening, causing severe itching and tail rubbing |
| recumbency | inability to stand |
| recumbent | lying down |
| root | the portion of a tooth that lies below the gum line |
| roundworm | common name for ascarids, an internal equine parasite |
| small stronglyes | any of 50 species of stronglyes one centimeter or less in length at maturity that commonly infect the intestines of the horse |
| stronglyes | nematode parasites of horses; come in two varieties, large and small |
| strongyloids westeri | one of a family of parasitic roundworms; often intests the foal in the first eight weeks of life |
| summer sores | parasitic infection by Habronema (stomach worm) larvae deposited in wounds by stable flies or house flies |
| tapeworms | internal equine parasite |