breed

N

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