| 释义 |
ultrasonography Med.|ʌltrəsəʊˈnɒgrəfɪ|
[f. ultra- (in ultrasound) + sono- + -graphy.]
A technique which makes use of echoes of ultrasound pulses to delineate objects or areas of different density within the body, esp. for diagnostic purposes.
1960Arch. Ophthalmol. LXIV. 180/1 Ultrasonography is an invaluable aid in the diagnosis and management of orbital disease because it can visualize and localize the position of orbital lesions when all other tests are negative. 1967New Scientist 26 Jan. 195/2 Ultrasonography..is capable of detecting pregnancy even before a woman's urine test becomes positive. 1980Brit. Med. Jrnl. 29 Mar. 940/2 Serum luteinising hormone concentrations and serial ovarian ultrasonography are helpful screening procedures.
So ultraˈsonogram, an image obtained by ultrasonography; ultraˈsonograph, an apparatus for producing ultrasonograms. Also ultrasoˈnographer, one who specializes in ultrasonography.
1958Arch. Ophthalmol. LX. 266/2 The ultrasonogram represents a horizontal section, or planigram, through a level of the eye. 1975Proc. 2nd European Congr. Ultrasonics in Medicine 129 Ultrasonographs employed to visualize internal eye structures use focusing systems which concentrate the ultrasonic beam into a small area. 1975Daily Tel. (Colour Suppl.) 7 Feb. 21/1 Now the second generation of ultra-sonographs—some capable of using a computer to ‘freeze’ the movement of a single heartbeat—are extending the boundaries of medical knowledge. 1979Brit. Med. Jrnl. 13 Oct. 934/2 They are not in conflict with the ultrasonographers' longitudinal data. 1981Daily Tel. 24 Apr. 3/3 Hydrocephalus occurs in about two of every 1,000 babies. With the use of ultra⁓sonograms..doctors can usually detect the condition while the foetus is developing. |