\fˌɒnəkˌɑːdɪˈə͡ʊɡɹəfɪz], \fˌɒnəkˌɑːdɪˈəʊɡɹəfɪz], \f_ˌɒ_n_ə_k_ˌɑː_d_ɪ__ˈəʊ_ɡ_ɹ_ə_f_ɪ_z]\
Definitions of PHONOCARDIOGRAPHIES
Sort: Oldest first
Graphic registration of the heart sounds picked up as vibrations and transformed by a piezoelectric crystal microphone into a varying electrical output according to the stresses imposed by the sound waves. The electrical output is amplified by a stethograph amplifier and recorded by a device incorporated into the electrocardiograph or by a multichannel recording machine.
By DataStellar Co., Ltd
Word of the day
Dorsal Root Ganglia
- ganglia located on dorsal roots within vertebral column. ganglion cells are pseudounipolar. single primary bifurcates sending peripheral process to carry sensory information from the periphery and a central branch which relays that spinal cord or brain.