Dictionary Terms 315-415 Flashcards
Single break of bone, aligned at an angle across the bone
Oblique fracture (orthopaedics)
To cut off or obstruct
Occlude
The fit (bite) of upper against lower teeth
Occlusion
Part of the elbow
Olecranon
A procedure where the broken bone is surgically exposed in order to reduce a fracture
Open
Extreme rigidity of all extensors. Creates marked lordosis and limb extension. Usually due to head injury /epilepsy
Opisthotonus
Caudal portion of oral cavity
Oropharynx
Puffiness around the fetlock joints
Osselets
Small bones
Ossicles
The formation of bone
Ossification
A condition that may lead to scarring and/or bone formation in injured muscles. Hind limbs are most commonly affected
Ossifying
Inflammation of bone
Osteitis
Permanent bony changes and inflammation of a joint
Osteoarthritis (orthopaedics)
Bone forming cell
Osteoblast
Poor calcification of hyaline cartilage leads to dehiscence of a cartilage flap. This may break off to float inside the joint (joint mouse)
Osteochondritis dessicans (OCD) (orthopaedics)
A disorder of cartilage growth that may affect the growth plate of the Articular cartilage. Early stage of OCD
Osteochondrosis
A bone cell that responds to hormones to maintain normal calcium and phosphorus levels in the blood
Osteocyte
Infection of bone, usually bacterial in origin, which is accompanied by the formation of pus
Osteomyelitis
Loss of bone calcium
Osteopaenia
Reduction in bone density
Osteoporosis
Malignant tumour of the bone
Osteosarcoma
The surgical cutting of bone
Osteotomy
Intra-Articular stifle surgery to replace a torn cranial cruciate ligament
Over-the-top technique (OTT)
The cellular burning of glucose, amino acids and fatty acids to produce ATP
Oxidation
The oxygen consumed after exercise to enable the restoration of the resting state
Oxygen debt
Alleviation of a clinical sign of disease without any specific treatment having been given
Palliation
Ventral aspect of the carpus/metacarpus and phalanges
Palmer
Permanent section of the Palmer digital nerves to resolve the signs of navicular syndrome. The pathology may increase after this procedure
Palmer digital neurectomy
Can be detected by feel
Palpable
To examine by touch
Palpate
Paralysis
Palsy
Lack of control of a particular body part
Paralysis
A pair of glands adjacent to the thyroid, these secrete PTH (parathyroid hormone), which is essential for regulation of calcium and phosphorus balance
Parathyroid glands
Weakness of movement
Paresis
Dental malformation in which the lower jaw is shortened
Parrot mouth
The joint between the short and long Pastern bones
Pastern
Triangular sesamoid bone in front of the knee I.e. Kneecap
Patella
Congenital displacement of the kneecap
Patellar
Sign unique to a disease that allows a specific diagnosis
Pathognomonic
Increased vascularisation and demineralisation affecting the confines bone. This usually arises from secondary inflammation
Pedal
Short chains <10 amino acids; these are the building blocks of proteins
Peptide
Present less than 6 hours
Peracute
An abnormal collection of fluid in the pericardial sac
Pericardial
Inflammation or infection of the pericardium
Pericarditis
A thin membranous sac around the heart that provides protection from any disease affecting adjacent structures. It also stabilises the hearts position
Pericardium
Nerve block. Widely used to diagnose the seat of pain in equine lameness
Perineural anaesthesia
Ligament composed of small fibres attaching the tooth to the jawbone
Periodontal
Surgical procedure to correct angular limb deformities in foals
Periosteal
Connective tissue sheath of bone; it contains a nutrient rich blood supply providing nutrition, repair, growth and protection of underlying bone
Periostium
Composed of cranial, spinal, and peripheral nerves and connections to sensory receptors
Peripheral
A cell such as a neutrophil or macrophage that is capable of engulfing and digesting minute particles
Phagocyte
Any bone forming part of a finger or toe
Phalanx
Area covering from rear of mouth and nasal passages to the larynx and oesophagus
Pharynx
Limb movement in front of the vertical axis of that limb
Phase, cranial/posterior
Limb movement behind the vertical axis of that limb
Phase, anterior/caudal
Non-weight bearing movement of a limb
Phase, flight
Weight bearing movement of a limb
Phase, stance
Muscles capable of short and repeated contraction. Main muscle type in mammals. Also called a twitch muscle
Phasic muscle
The physical characteristics of an organism. Special tests are needed to determine the genotype
Phenotype
Infection of a vein. Seen if an intravenous catheter is left in too long
Phlebitis
This condition unique to horses is an inflammation of blood vessels which is specifically triggered by exposure to sunlight
Photo-Agravated vasculitis
The energy unit of electromagnetic radiation, this has properties of both a wave and a particle. Visible light is made up of photons
Photon
The area where new bone originates, between a metaphysis and epiphysis. Aka growth plate
Physis
Inflammation of the growth plates. Seen in giant breeds of dog and thoroughbred horses over fed with a high protein diet
Physitis
The external flap of the ear
Pinna
Endocrine gland situated at the base of the brain, this stores and secretes many hormones
Pituitary
Section or line of division
Plane
Middle vertical plane which divides an animal into two equal halves
Plane, median
Same as Sagittal plane
Plane, paramedian
Plane parallel to the middle vertical (median) plane
Plane, sagittal
Section across the body, creating cranial and caudal, or proximal and distal segments
Plane, transverse
The central aspect of the tarsus/metatarsus and phalanges
Plantar
The fluid part of the blood
Plasma
Plateau
Flat surface, usually of a joint
Cell fragments involved in coagulation
Platelets
A thin membrane surrounding the lungs and lining the chest cavity
Pleura
Excess of fluid in the pleural cavity
Pleural effusion
Inflammation occurring in more than one nerve
Polyneuritis
Inflammation of the membrane lining a joint
Polysinovitis
Partial paralysis occurring in one or both hind limbs
Posterior paresis
Pituitary pars intermedia dysfunction. Aged horses. Aka Cushing’s syndrome. EMS may progress to PPID
PPID
A condition characterised by an elongation of the lower jaw
Prognathism
Name given to a group of fatty acid compounds regulating physiological processes such as allergic reactions, contraction of smooth muscle, clotting and dilation of blood vessels
Prostaglandins
Movement of a limb forwards in locomotion, normally non-weight bearing
Protaction
Deep infection of the lateral cartilages. Requires surgery
Quittor
A photographic image produced by X-rays. Developed in the same way as normal photographic film. Used to visualise bony defects
Radiograph
Genetic exchange taking place between chromosomes. This produces a new set of genes
Recombination
Lying down
Recumbent
Erythrocytes
Red blood cells
The process of setting a fracture
Reduction
Muscle movement (with no conscious control) in response to a stimulus
Reflex
Age-related degeneration of the kidneys. Leads to high levels of urea and creatinine in the blood
Renal failure
Movement of a limb backwards in locomotion, normally weight bearing
Retraction
Malignant tumour of striated muscle cells
Rhabdomyosarcoma
Bony raised line on a bone, essentially a long tuberosity
Ridge
DJD of the proximal Interphalangeal joint (PIP)
High ringbone
DJD of the distal Interphalangeal joint (DIP)
Low ringbone
A point further forward than the cranium
Rostral
Twisting of a limb to create a toe out stance
Rotation, external
Twisting of a limb to create a toe in stance
Rotation, internal