breed

P

pachymeninx

The term for the dura mater

palatability

The term used to describe how much an animal will like a specific taste or food

palatitis

A medical condition in horses in which the roof of the mouth becomes swollen; caused by eating hard food

palatoplasty

A medical procedure in which a cleft palate is surgically corrected

palliative

Something that relieves a condition’s symptoms without curing the condition

palmar

The bottom of a front hoof on a horse or other hooved animal

palpation

Examination through feeling

palpebra

The term for the lid of the eye

palpebral

Anything pertaining to the lid of the eye

palpitation

Pounding in rhythm; like the beat of the heart

pancreas

A gland that aids in both digestive and insulin functions

pancreatectomy

The process in which the pancreas is surgically removed

pancreatic juice

The juice that is secreted by the pancreas; aids in the digestion of food

pancreatitis

A medical condition in which the pancreas becomes inflamed

pancytopenia

A blood cell deficiency; applies to all types of blood cells

pandemic

Something that occurs over a large area of land. Of disease, an epidemic that occurs over a wide geographical area or affects a large population.

panophthalmitis

A medical condition in which the eye structures become inflamed

panotitis

Inflammation of the structures of the ear

panzootic

Something that has to do with a disease that is widespread; pertains to animals

papilla

A bump or protrusion

papilledema

A medical condition in which the optic disk becomes swollen

papilloma

A fleshy, lobed growth of the skin

papule

A lesion of the skin less than half a centimeter in diameter

paracostal incision

A surgical incision that is put parallel to the very last rib

paralysis

A medical condition in which an animal experiences full or partial loss of function

paramedian incision

A cut that is made parallel to the midline but not on the midline

paraplegia

Paralysis of the legs in humans; paralysis of the hind limbs in quadrupeds

parasite

Any organism that lives on or inside another organism

parasiticide

Any type of chemical that is known to kill a parasite

parasympathetic nervous system

The part of the nervous system that helps to restore the body to its natural state after it has undergone a particularly stressful situation

parathormone

The hormone that is created from the parathyroid glands; helps to regulate the calcium level of an animal’s blood

parathyroid gland

The name for four glands that are located on the top of the thyroid gland that help to regulate the amount of calcium in the blood

parathyroidectomy

A process in which one or both of the parathyroid glands are removed through surgical means

parenchyma

The elements of function in a given tissue or organ

parenteral

The administration of something through a route other than the normal route, which is through the gastro intestinal tract

paresis

A type of paralysis that may be only slight; affects the way that an animal is able to move

paresthesia

A strange sensation of the body

parietal

Something that belongs to an organ wall or cavity wall

parks

The wall of a cavity or organ in a plant or animal

parotid

Something that is found near the ear or pertains to the ear

parotid gland

Any gland that is used in the secretion of saliva; found behind the jaw and underneath the ear

parous

Anything that has given birth before

parovarian

Something that is close to the ovary

paroxysm

A type of convulsion or muscle spasm that sets on quickly

parrot mouth

A type of medical condition in which an animal’s top teeth protrude over its lower teeth

parthenogenosis

The total process of development of a living thing from an egg cell

parturient paresis

A disorder of the metabolism as seen in ruminant animals during the latter weeks of pregnancy or early in the lactation period

parturition

Labor; giving birth

passeriformes

A type of bird that perches, such as a finch or sparrow

passive immunity

The type of immunity that occurs when an animal is vaccinated against a certain illness

patella

The term for the knee cap

pathobiology

The study of the different diseases

pathogen

Something that is capable of producing disease

pathogenic

Having the ability to produce disease

pathology

The study of the causes and development of disease

patroclinous

Something that resembles or has to do with the male parent

pectoral

Pertaining to the breast area or chest

pedigree

A list of an animal’s ancestors

pedunculated

The property of having stalks or peduncles

pelvic cavity

The area inside the pelvis that holds the reproductive organs

pelvis

The term for the hip and related area

pendulous udder

An udder that is poorly attached; hangs low to the ground

pepsin

A type of enzyme that aids in digestion; it is secreted in the stomach with the help of glands

peptide

A compound made up of a group of amino acids; aids in the digestion of certain proteins

peracute

Something that is extremely acute; markedly acute

percutaneous

Something that moves through the skin

perforating ulcer

Something that has eroded through the surface of something

perfusion

The flow of blood through bodily tissue

perianal

Something around the anus

pericardial

The term for the membrane around the heart

pericardial fluid

The fluid that is found amongst the layers of the pericardium

pericarditis

Inflammation of the pericardium

pericardium

The sac of membranes that hold the heart

perimetrium

The membrane around the outside of the uterus

perineum

The area between the vulva and anus or scrotum and anus

periocular

Pertaining to or around the eye

period of lactation

The time in which milk flows in an animal

periodontitis

The medical condition in which the tissues around the teeth are inflamed

periople

A type of coating that keeps moisture inside the hoof

periorbita

The term used to refer to the socket that holds the eye

periosteum

The fiber that covers the outside of a bone

peripheral nervous system

That part of the nervous system that includes the cranial nerves and spinal nerves

peristalsis

Contraction of the smooth muscles

peritoneum

The membrane that covers the wall of the abdomen and pelvic area

peritonitis

A medical condition in which the peritoneum becomes inflamed

perivascular

Something around or pertaining to the vessels

pernicious

Something that is fatal or has the potential to cause harm

peroxidase

An enzyme found in abnormal milk

pessary

A suppository used for administering drugs vaginally

petechia

A small hemorrhage

petechiae

Small purple or red spots on an animal’s skin; due to a small hemorrhage

phagocyte

A type of cell that eats or ingests material

phagocytosis

A condition involving cells that eat

phagomania

An incurable hunger or craving to eat

phagophobia

A fear of eating food

phalanx

A bone in the finger

pharmaceutical

Any substance that is used to make an animal or person healthier

pharmacokinetics

The process of moving drugs and chemicals

pharmacology

The study of drugs and their nature and uses

pharyngitides

A surgical process in which an opening in the throat is created

pharyngitis

A medical condition in which the throat becomes inflamed

pharyngoplasty

A medical procedure in which the throat is surgically repaired

pharynx

A cavity in the mouth where the respiratory systems and gastrointestinal systems come together

phenotype

The character of an animal without giving thought to its genetics; they may look alike but breed differently

pheromone

A type of hormone that is secreted in order to create a specific reaction by another organism

phlebitis

A medical condition in which a blood vessel becomes inflamed

phlegm

A type of mucus that comes out of the lining of the respiratory tract

phobia

A real fear of something

photo phobia

A condition in which light cannot be tolerated

phylogeny

The history of a species as pertaining to its development

phylum

The highest group as far as the plant and animal kingdoms are concerned

physics

A segment of the bone that involves growth; this term may also imply growth

physiology

The study of the functions of the body

phytoplankton

A density of plant material

pica

A type of ravenous appetite that causes animals to eat or lick at strange substances

piebald

A pinto animal; a horse with a black and white coat or a coat that is dark in color

piebald ism

A type of condition of the skin where the skin is partly white and party brown

pinealectomy

A process in which part of the pineal gland is surgically removed

pinealopathy

A disorder involving the pineal gland

pinion

The outside of a bird’s wing; may also refer to the process of cutting off the pinion to keep a bird from being able to fly

pinna

The outside of the ear; may also be referred to as the auricle

pinning

The process of inserting a metal rod into the cavity of a long bone

pinny

The term for a bird carcass with a great deal of pin feathers; these are reduced in value

pinocytosis

The absorption of fluid by cells

pinto

A horse that is spotted in color

pipping

The act of cracking the shell with a beak (by a chick) before emerging

pithing

The destruction of the brain by thrusting a needle into the vertebral column

pituitarism

A disorder of the pituitary gland

pituitary gland

The gland that is found at the bottom of the brain whose job is to maintain appropriate levels of hormones in the blood

pizzle

The term for the penis of a bull

placebo

A substance that is not active; it is used as a control in experiments

placenta

The organ of mammals that comes while a female is pregnant; may also be referred to as afterbirth

placental retention

The retention of the placenta after the young has been born

placentome

The part of the placenta that carries the caruncle and cotyledon

plantar

The bottom of a back hoof

plantigrade

The act of walking on the whole bottom of the foot

plasma

The portion of the blood that carries certain nutrients and waste products; the liquid part

plastron

The ventral part of the shell of a turtle

platelet

A cell that aids in clotting

pleura

The membrane that lines the inside of a lung

pleural effusion

A process in which fluid accumulates in the space between the layers of pleura

pleural space

The area between the folds of the pleura; airtight

pleurectomy

The process of surgically removing all or part of the pleura

pleurisy

A medical condition in which the pleura become inflamed

pleurodont

The term for teeth that are attached to the inside surface of the jaw on one side

pleuropneumonia

Another word for pleurisy; involves inflammation of the pleurisy

plexus

A network of nerves and vessels that intersect with one another

plumage

The term for the feathers on a fowl bird

pneumocentesis

The puncture of the lung to draw out blood or air

pneumocystogram

A picture or film of the bladder after it has been filled with air

pneumonectomy

The removal of lung tissue through surgical means

pneumonia

A condition of the lungs involving inflammation and congestion

pneumothorax

A medical condition in which gas or air collects in the pleural space

poikilocytosis

A condition of the cells; means that they are abnormally shaped

poliomyelitis

An inflammation in which the gray matter of the spine is inflamed

pollakiuria

A medical condition involving frequent urination

polychromasia

A condition that involves multiple colors

polycythemia

A condition of different cells; means extra erythrocytes

polydactyly

More than the average number of digits or fingers

polydipsia

A medical condition involving excessive thirst

polyestrous

Having more than one heat cycle per season

polygamous

Having more than one mate

polygastric

Having more than one compartment to the stomach

polymorphic

Having more than one form

polymorphonuclear

A nucleus with multiple shapes

polymyositis

A medical condition in which the smooth muscles become inflamed

polyneuritis

A medical condition in which multiple nerves become inflamed

polyp

A growth in the surface of the body

polyphagia

Excessive eating or swallowing

polyploid

An organism with more than two sets of basic chromosomes

polypnea

Excess breathing or panting

polyspermy

The entrance of multiple sperm cells into the ovary upon fertilization

polytocous

Giving birth to more than one offspring

polyuria

Excessive urination

polyvalent

A vaccine that is able to work against multiple agents; may also be referred to as a mixed vaccine

pons

The bridge at the bottom of the brain; makes up the brainstem

porcine

The name for the species of pigs, hogs, etc.

post mortem

An examination that occurs after the living thing has died

postictal

The period of time that occurs following a seizure

postnatal

Anything that follows the birth of young

postpartum

The period that immediately comes after the birthing process

postprandial

Occurs after eating

postrenal

After the kidney

poult

The term for a young chicken or turkey

poultice

A wet dressing that is applied to an injury or swollen area

poultry

A type of domesticated fowl that is raised for meat or eggs

preen gland

A gland at the bottom of the tail in birds where they dress their feathers

preictal

The time before a seizure occurs

premolar

The teeth found between the canine teeth and molars

prenatal

Anything occurring before birth

preparturient

Anything occurring before birth

prepotency

The ability to give certain characteristics to offspring; unusually high ability to do so

prepotent

A an animal who transmits features to its young in a high degree

prepuce

The fold of skin over the top of the penis

prerenal

Anything before the kidney

Priapism

An erection of the penis that is not associated with sexual excitement

primapara

The term for a female that has given birth to one young

Primigravida

The very first pregnancy of a female animal

proboscis

A long nose, like in a pig

progenitor

A parent or ancestor of a particular animal

progeny

Offspring or children

progesterone

A hormone that is created at the time of pregnancy

proglottids

The parts of a tapeworm that do not involve the head

prognosis

The prediction of a disease’s outcome in advance

prolactin

A hormone involving the secretion of milk

prolapse

The falling forward of something, usually visceral

prolapsed uterus

A condition where the uterus comes through the lips of the vulva

prolapsed vagina

Condition in which the vulvae protrudes due to unusual pressure from birthing

prophylactic

Something that is used to prevent a disease

prophylaxis

Prevention of something

proptosis

The displacement of the eye

prostate gland

The gland around the urethra that secretes the fluid to allow sperm to move about

prostatitis

An inflammation of the prostate gland

prosthesis

A substitute for a missing limb or body part

protein

A compound of organic acids; may contain carbon, hydrogen, nitrogen, or oxygen

proteinuria

Protein found in the urine

prothrombin

One of the proteins in plasma used for clotting

protoplasm

The basic element of the cell, including the cytoplasm and nucleus

protoplast

A unit of protoplasm in a cell]

protozoa

A group of organisms made up of only one cell; a one-celled animal

provender

The type of feed that is dried and fed to domestic animals

proventriculitis

A medical condition in which the stomach is inflamed; often occurs in chicks who grow in confinement.

proventriculus

The glandular stomach in certain birds

proximate analysis

An analysis system that is used to determine the amount of nutrients in feed

pruritus

Something that causes itching

pseudoalbino

A color in an animal’s coat that is white or very close to it

psittacine

A group of birds, including parakeets, parrots, macaws, etc.

psomophagia

The eating of food without chewing, caused by anxiety—this can lead to being overweight

pteryla

The feather in certain birds

ptosis

Drooping or prolepsis of something

Ptyalin

An enzyme found in saliva that aids in the digestion of starch

Ptyalism

Excessive salivation at the mouth

pulmonary

Pertaining to the lungs

pulmonary circulation

The flow of blood out of the heart into the lungs and back

pulmonary edema

The collection of fluid in the tissue of the lungs

pulmonary fibrosis

The formation of fibers in the walls of the alveoli

purebred

Term used to refer to an animal that is one of the recognized, pure breeds

purgative

An agent that assists in the emptying of the bowels

purpura

A bruising of the skin that results from the hemorrhage into the skin

purulent

Anything that contains pus

pus

A product made of fluid, cell waste, and cells

pustule

A lesion on the skin that is filled with pus

putrefaction

Foul in smell; usually pertains to decay

pyemia

An infection of the blood caused by the presence of organisms; animal may have abscesses about the body

pylorus

A small opening or passage that connects the stomach and duodenum

pyoderma

A disease of the skin in which it emits pus

pyogenic

Anything that produces pus

pyometra

The presence of pus in the uterus

pyothorax

The collection of pus in the pleural cavity

pyriform

Shaped like a pear

pyuria

The presence of pus in the urine