olemus
(2a) ultraheliga saadud kujutis
https://duckduckgo.com/?q=sonogram&t=h_&iax=images&ia=images
(2b) ultrahelisignaali spektrogramm

Wiktionary:
1. a medical image produced by ultrasound echo
2. a spectrogram

ülevaateid
https://en.wikipedia.org/wiki/Medical_ultrasound

vt ka
- sonogramm (1)
- sonogramm (3)