Research Consent Glossary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

O

Objective - Goal

Obstetrician - Doctor who takes care of pregnant women and delivers babies

Obstetrics - The study of pregnant women and childbirth

Obstructive - Sleep Breathing problems while sleeping because the airways Apnea collapse or get closed off

Obtained from - Taken from

Occlude - Close off

Occlusion - Closing; obstruction

Oculus - Dexter (OD) Right eye

Oculus - Sinister (OS) Left eye

Oculus - Uterque (OU) Each eye

OD - See oculus dexter (OD)

OHRP - The Office of Human Research Protections of the NIH; oversees IRB's and related matters

Oligomenorrhea - Occasional and irregular menstruation that occurs every 35 days to 6 months

Oligospermia - Decreased amount of sperm in semen

Oliguria - Decreased amount of urine

Omphalitis - Inflammation of the belly button

Omphalocele - A birth defect in which there is bulging of the intestine through the body wall in the belly button region

Oncogenic - Causing tumors to form

Oncologist - Doctor who treats cancer

Oncology - The study of tumors or cancer

Onychectomy - Surgery to remove a nail

Onychocryptosis - Ingrown nail

Onychomalacia - Softening of the nails

Onychomycosis - Fungal infection of the nail

Onychophagia - Nail biting

Oophorectomy - Surgery to remove one or both ovaries

Oophoritis - Inflammation of the ovary

Oophorohysterectomy - Surgery to remove the uterus and ovaries

Opthalmalgia - Pain in the eye

Ophthalmic - Having to do with the eye

Ophthalmologist - Doctor who treats eye disorders

Ophthalmic - Pertaining to the eye

Ophthalmology - The study of eye disorders

Ophthalmorrhagia - Bleeding from the eye

Optic - Having to do with the eye

Optic nerve - Nerve that carries visual messages from the retina to the brain

Optician - Person who makes glasses

Optimal - Best, most favorable or desirable

Optometer - Tool used in eye examinations

Optometry - The study of the eye and vision

Oral - Having to do with the mouth

Oral - Administration Giving a drug by mouth

Orchidopexy - Surgery to tie down a testicle in the scrotum

Orchiectomy - Surgery to remove one or both testicles

Orchiepididymitis - Inflammation of a testicle and epididymis

Orchiopexy - Surgery to tie down a testicle in the scrotum

Orchioplasty - Surgery to fix a testicle

Orchitis - Inflammation of a testicle

Organ - Two or more kinds of tissues that work together to make up a part of the body with a unique function

Orgasm - The climax of sexual excitement

Orthopedic - Pertaining to the bones

Orthopedics - The study of the bones and joints

Orthopedist - Doctor who treats bone and joint disorders

Orthopnea - Difficult breathing except when sitting up

Orthotist - Person who puts on and teaches the use of braces and splints

OS - See oculus sinister (OS)

Ossicles - Bones of the middle ear that carry sound

Ostectomy - Surgery to remove part or all of a bone

Osteitis - Inflammation of a bone

Osteoarthristis (OA) - Disorder, which is seen mostly in older persons, in which the joints become painful and stiff

Osteoblast - Cell that makes bone

Osteocarcinoma - Bone cancer growth

Osteochondritis - Inflammation of bone and cartilage

Osteoclasis - Surgery to break a bone

Osteocyte - Bone cell

Osteofibroma - Benign tumor of bone and connective tissue

Osteogenesis - Genetic disorder in which the bones are delicate and break easily

Osteomalacia - Soft bones

Osteomyelitis - Infection and inflammation of bone

Osteonecrosis - Death of bone tissue

Osteopetrosis - Rare bone disorder characterized by dense bone

Osteoplasty - Surgery to fix a bone

Osteoporosis - Loss of calcium from bone tissue resulting in bones that break easily; prevalent in postmenopausal women

Osteosarcoma - Cancer of the bone

Osteotome - Chisel-like tool used for cutting or marking bone

Otalgia - Earache

Otitis - External inflammation of the outer ear canal

Otitis - Media Inflammation of the middle ear

Otologist - Doctor who treats disorders of the ear

Otology - The study of the ear

Otomastoiditis - Inflammation of the ear together with mastoiditis

Otomycosis - Fungus infection in the outer ear canal

Otopyorrhea - Discharge of pus from the ear

Otorhinolaryngologist - Doctor who treats disorders of the ear, nose, and throat

Otosclerosis - Bone deposits in the inner ear

Otoscope - Tool used to look into the ear

OU - See oculus uterque (each eye)

Ovaries - Female sex glands

Ovary - One of two female sex glands where the eggs are formed

Overabundance - Too much

Ovulation - Discharge of an egg from the ovary

Ovum - The female sex cell that joins with the male sperm to make a zygote and eventually a baby; egg

Oximeter - Tool used to measure the amount of oxygen in the blood

Oxytocin - Hormone made by the brain that makes the uterus cramp and milk come out of the breasts