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Indian Journal of Pure & Applied Physics (IJPAP) >
IJPAP Vol.42 [2004] >
IJPAP Vol.42(08) [August 2004] >
| Title: | Ultrasonic study of human cerebrospinal fluid |
| Authors: | Palaniappan, L
Velusamy, V |
| Keywords: | Ultrasonics
Cerebrospinal fluid |
| Issue Date: | Aug-2004 |
| Publisher: | CSIR |
| IPC Code: | G 10K 11/00 |
| Abstract: | Human cerebrospinal fluid (CSF) has been is collected from
various individuals of both sex including infants. Sound velocity and density
have been measured in these samples and acoustical properties such as adiabatic
compressibility and acoustic impedance have been calculated. The observed
variations have been used to interpret the possible interaction among the
components of CSF. It has been found that age and sex play an important role in
deciding the sound velocity in CSF. The restriction in wave propagation is
observed due to the change of structure of protein molecules of CSF. A specific
reduction in sound velocity is observed in aged female subjects, which has been
attributed to the increase in specific protein AZ 68. lack of estrogen is reflected in CSF analysis. |
| Page(s): | 591-594 |
| ISSN: | 0975-1041 (Online); 0019-5596 (Print) |
| Source: | IJPAP Vol.42(08) [August 2004]
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