(Parascaris equorum) Live in the liver, lungs, and small intestines. They are commonly known as Roundworms.
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Ascot Gold Cup
First competed for in 1807. The race is run over a course of 21/2 miles at the Royal Ascot Meeting in June. The original Cup was stolen before the race in June 1907 and never found.
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Asinus Isabellinus
the Isabella Quagga. A wild ass of a pale yellow colour, which existed in large herds in South Africa over 100 years ago but is now extinct. (Also, see Quagga).
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Aspirate
Pull back slightly on a syringe plunger to draw fluid back into the chamber (Used to check whether the needle has entered a blood vessel).
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Ass
(Asinus) A member of the Equidae family, similar to a donkey. They are usually about 12hh; grey or dun with a pale belly and a dark dorsal stripe between the short dark mane and dark tufted tail. They have lone ears and boxy hooves.
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Astride
When a rider sits on a horse with one leg on either side to the horse.
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At Grass
A term applied to a horse/pony that has been turned out into a paddock or field, for exercise if stabled, for the summer to rest.
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Atlas
The first vertebra and with the Axis, differ from the remainder of the spine, in that the canal through which the spinal column passes is larger than in the rest of the spine, as a precaution against damage because these two vertebrae have the greatest movement.
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Atropa Belladonna
See Nightshade.
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Australian Loose Ring Snaffle
a check snaffle with loose rings.
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Australian Nose Band
A rubber device which keeps the bit well up in a race horse's mouth, with pressure upon the nose at the same time as pressure comes on the bars of the mouth.
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Austria, Elizabeth, Empress of
(1837 - 1897) An accomplished horsewoman, she studied equitation seriously and had lessons in the Spanish Riding School of Vienna. She hunted with great enthusiasm in England and Ireland between 1876-1882, when her skill, courage, and elegance created a minor sensation.
She is remembered for her remark to her pilot, Captain 'Bay' Middleton, "I don't mind the falls, but, remember, I will not scratch my face".
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Autonomic Nervous System
An arrangement of nerves regulating actions within the horse's body. They can be split into two parts:
Voluntary - the horse can decide whether or not to move a leg or swish his tail.
Involuntary - is found in the digestive tract, the bladder, the arteries and the uterus, the horse cannot wilfully control the actions of this type of muscle.
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Axial Skeleton
Atlas Vertebra Axis Vertebra Cervical vertebrae (7) Coccygeal vertebrae (15 - 20) Cranium Facial Bone Incisors Mandible Molar Teeth Nasal Bone Occipital Bone Orbit of eye Ribs (18) Sacral vertebrae (5) Sternum Lumber vertebrae (6) Thoracic vertebrae (18) Tushes
