nag
A type of horse that does not belong to a particular breed
nanny
The term for a female goat; used incorrectly
nape
The back of the neck of a certain animal
narcolepsy
A medical condition in which sleep comes uncontrollably
naris
An opening in the nasal cavity; also referred to as the nostril
narrow-spectrum antibiotic
A type of antibiotic that only works on gram-negative or gram-positive bacteria
nasal septum
The cartilage between the nasal cavities
nasogastric
The nose and the stomach
nasogastric intubation
The placement of a tube between the nose and the stomach
nasolacrimal duct
The passage that brings tears into the nose
nasopharynx
The part of the throat above the soft palate
native disease
A disease that is caused by an organism indigenous to an environment t
natural cross
A type of hybrid breeding that takes place without the help of people
natural enemy
An organism that preys upon or is preyed upon by another animal in nature
natural immunity
An immunity that is found naturally in certain plants or animals
natural selection
The process in which certain plants or animals are eliminated from an environment and do not carry on in an environment
nausea
The upset of the stomach; the urge to throw up
nearside
The left side of a horse
nebulization
The making of a fine mist; usually used to administer certain drugs
neck rein
Turning a horse a certain way by laying the reins on the neck and not pulling on the bit
neck rope
The term for a long rope tied around a horse’s neck; used to lasso cattle
necropsy
An examination of the inside of a dead body; used to determine the cause of death; may also be referred to as an autopsy
necrosis
A condition of dead tissue
necrotic
Having to do with dead tissue
needle biopsy
The process in which a needle is inserted into tissue to remove tissue
needle teeth
The sharp teeth that are present when piglets are born; there are eight of them and they are often clipped
neonate
A newborn less than four weeks old; belonging to certain species
neonatology
The study of newborn living things
nephrectomy
The removal of a kidney through surgical means
nephritis
A medical condition in which the kidney becomes inflamed
nephrolith
A kidney stone
nephrolithiasis
The condition in which kidney stones are present
nephropexy
The condition that occurs when a kidney is affixed to the abdominal wall
nephrosclerosis
The condition that results when the kidneys become hardened
nephrosis
An abnormal medical condition involving the kidneys
nephrotoxin
A poison that causes damage to the kidneys
nerve
A bundle of fibers that are used in the process of sending impulses through the body
nerve trunk
A group of nerves that run through one another
neuralgia
Pain in the nerves
neurectomy
The removal of a nerve through surgical means
neuritis
A medical condition that results when the nerves become inflamed
neuroanastomosis
The connection of nerves to one another
neuroblastoma
A neoplasm that is made up of nervous tissue
neuroglia
The cells that support the nervous system; are also referred to as glial cells
neurohypophysis
The back of the pituitary gland
neurolemma
The membranes that cover the outside of the nerve fibers
neurologist
A person who specializes in the study of the nervous system
neurology
The study of the nerves
neuromuscular
The area found between the muscles and the endings of the nerves
neuron
The most basic element of the nervous system
neuroplasty
The repair of a nerve through surgical means
neurorrhaphy
The act of suturing the ends of a broken nerve together
neurotomy
An incision made into a nerve
neurotoxicity
Something that has poisonous conditions to the brain and nerves
neurotransmitter
Any sub stance that allows impulses to be transmitted from one neuron to the next
neuter
To alter a male animal so that it is unable to reproduce
neutropenia
A decrease in the number of neutrophilic leukocytes in an animal’s blood
niacin
One of the vitamins in the B- complex group; also known as nicotinic acid
niche
The role that an animal has in its community
nicker
Softly neighing (in horses)
nictitating membrane
The part of the lining of the eye that covers the cornea when the eyelids close
nippers
The two middle incisors on a horse
nit
An egg of a louse
nitrogen
A type of gas found in air and soil
niveous
Pure white
nociceptive
Something that is known to cause pain
nociceptor
Any receptor that is stimulated by pain or injury
nocturia
Urination at night in excessive amounts; abnormal
nodder
A horse that nods its head while it walks
nodule
A small lump or mass of tissue
noil
Fibers that are removed from wool while combing
non-nutritive additive
Any additive that has no nutritional value
noncontagious
Something that cannot be spread from one living thing to another
nonessential amino acid
A type of amino acid that can be synthesized naturally by an animal’s body
nonionized
Cannot be charged with electricity; lacks electrical ions
nonmotile
Cannot move
nonpathogenic
Cannot produce disease
nonprotein nitrogen (npn)
Certain nitrates or amino acids that may be toxic to certain livestock in certain forms
nontoxic
Does not pose a poisonous threat to a plant or animal
nose clamp
A type of tool that is fitted over an animal’s nose to keep it under control for shoeing or other operations
nose ring
A metal ring that snaps into a bull’s nose and is used to lead it around
nosebag
A bag of feed that is hung over a horse’s nose and allows them to eat while walking
nosocomial infection
A type of disorder caused by a pathogen that is contracted in a clinic
notching
The act of putting a slit in animals’ ears for identification purposes
notifiable disease
Any disease that must be reported to the appropriate authorities when diagnosed
nucleoplasm
The protoplasm found inside the nucleus
nulligravida
The term for a female that has never been with child
nullipara
A female that has never given birth
numdah
A blanket placed beneath a saddle for the purpose of soaking up sweat
nursling
A calf that is still on the teat
nutriment
Any nutritious substance found in food
nutrition
The utilization of certain elements of food as it is metabolized; ensures that it does the body of an animal some good
nutritive additive
Any additive that has some value to the food, like a vitamin
nutritive value
The capacity that feed has to give nutrition to livestock
nyctalopia
The lack of ability to see at night
nymphomania
An increased (abnormal) desire for sex in female animals
nystagmus
The involuntary rhythm of the eye at night
