Anatomical medical diagnosis laboratory: a medical diagnosis laboratory which conducts tests of cellology and histology on samples taken from human body (alive or dead). It may use different methods to conduct the tests.

Clinical medical diagnosis laboratory: a medical diagnosis laboratory with one or all sections of medical diagnosis except for the sections concerning anatomical diagnosis.

Dentistry:  orthodontics, endodontics, oral   and dental pathology, maxillofacial diseases,maxillofacial pathology, prosthodontics, periodontics, oral maxillofacial surgery, tooth treatment, children's tooth disorders

Dependent health and medical centres: the medical centres which are located either inside or next to medical establishments, have not an independent management, accounting and workplace, and are dependent on the main establishment for workers and credits.

Health attendant (health aid): a native resident of the village, who has at least completed primary school, and has passed the related two -year theoretical and practical health training course.

Health care and medical centres: clinics, polyclinics and health centres. Health centres generally render vaccination services beside medical services.

Health home:  the unit which is located in a village and often covers other several villages (satellite villages). A total population of 2000 with 2 authorized Bahvarzes (man and woman) is covered by a health home.  Male and female Bahvarzans are the workers of health homes.  Their indigenousness (living at the main village or satellite villages) is a needed qualification.

Hospital:  a place enjoying diagnostic, medical, health, educational and research facilities for medical treatment of outpatients and hospitalization is established, under the licence of the Ministry of Health and Medical Education, round- the- clock.

Independent health and medical centres: those with an independent management, accounting  and workplace.

Internal: specialists in internal medicine, oncology, hematology, rheumatology, diseases of the pulmonary system, endocrinology, and diseases of the digestive system.

Maternity hospital: a unit with at least 15 beds, one obstetrician as well as one operating room.

Medical diagnosis laboratory: refers to a medical unit established by permission from the Ministry of Health and Medical Education, which carries out tests of biology microbiology, serology, biochemistry, immunohematology, hematology, biophysics, cellology, histology, cellular and molecular genetics among others on samples taken from human body to obtain information for diagnosis, prevention or treatment continuation or for a health checkup. It includes two types: clinical and anatomical.

Neuropsychiatry: nervous disorders and psychiatry.

Orthopedics: orthopedics and bone and joints surgery.

Paramedics: non-physicians engaged in the areas of health and treatment.

Pediatrics: orthopedics, nervous system, children's allergy, surgery, blood, infections, glands, heart, kidneys, digestive system, and neonatal diseases.

Pharmacology: drug-making, industrial drug-making, pharmacology, harmaceutics, pharmacognosy.In the tables containing data on specialists of cardiovascular disorders, brain and nerves, otolaryngology, ophthalmology, and gynecology, the related surgery specialists are also included.

Pharmacy:  a medical institute which is established by getting special licence from legal commission of Article 20. It, enjoying a qualified technical official, renders medicine services, dried milk, supplementary diet foods,  babies' supplementary foods, medical consumption commodities and standard health and cosmetic products.

Radiography centres: diagnosis and treatment of    diseases through application of rays by specialists in radiography, radiography technicians, as well as experimental radiographers holding a work   license from   the Ministry of Health and Medical Education. In this chapter, radiography centre refers to a place for radiology tests and providing radiography services, the qualification of which is confirmed  by the Ministry   of   Health    and Medical Education.

Radiology: radiology and sonography.

Rehabilitation centres: all medical units carrying out only physical treatment. These centres include physiotherapy, work therapy, speech therapy, audiometry, optometry and technical orthopedics. There are two forms of rehabilitation centres, independent and dependent. The rehabilitation centres located in  a hospital or a clinic are ˝dependent˝, but  those working independently of any other centre are called ˝independent˝. Statistics on this area have appeared in Iran Statistical Yearbook since 1376.

Sanatorium: a unit with at least  15 beds, general necessary facilities and services as well as one  specialized ward, operated by  a group of specialists in related fields including mental homes, leper houses, homes for tuberculous people, for addicts, etc.

Urology: urology, kidney disorders, surgery of kidney and genitourinary tract.