TY - JOUR
T1 - Volume and shape of normal human spermatozoa
AU - Laufer, N.
AU - Segal, S.
AU - Yaffe, H.
AU - Svartz, H.
AU - Grover, N. B.
N1 - Funding Information:
Accepted December 10,1976. *Supported in part by a grant from the Joint Research Fund of the Hebrew University and Hadassah. tReprint requests: Neri Laufer, M.D., Department of Obstetrics and Gynecology, Hadassah University Hospital, Jerusalem, Israel. :j:Department of Obstetrics and Gynecology, Hadassah University Hospital. § Department of Experimental Medicine and Cancer Research, Hebrew University-Hadassah Medical School.
PY - 1977/1/1
Y1 - 1977/1/1
N2 - An improved apparatus for measuring the electrical size of particles, developed in this laboratory and based on the principle of the Coulter counter, is used to size human spermatozoa. The typical size distribution is unimodel, with a skew to the right. The actual quantity determined by the measuring system is electrical size (i.e., shape factor x volume); in order to extract the volume, it is necessary to obtain an independent measure of particle shape. This is done by estimating the relative contributions of each part of the spermatozoon, and gives a weighted value for the shape factor of 1.28. The mean volume of spermatozoa from 25 normal human seminal fluid specimens is found to be 17.4 ± 1.46 cu μm and the modal volume, 15.2 ± 1.27 cu μm. These values are compared with data reported in the literature after correcting the latter for the effects of particle shape.
AB - An improved apparatus for measuring the electrical size of particles, developed in this laboratory and based on the principle of the Coulter counter, is used to size human spermatozoa. The typical size distribution is unimodel, with a skew to the right. The actual quantity determined by the measuring system is electrical size (i.e., shape factor x volume); in order to extract the volume, it is necessary to obtain an independent measure of particle shape. This is done by estimating the relative contributions of each part of the spermatozoon, and gives a weighted value for the shape factor of 1.28. The mean volume of spermatozoa from 25 normal human seminal fluid specimens is found to be 17.4 ± 1.46 cu μm and the modal volume, 15.2 ± 1.27 cu μm. These values are compared with data reported in the literature after correcting the latter for the effects of particle shape.
UR - http://www.scopus.com/inward/record.url?scp=0017596363&partnerID=8YFLogxK
U2 - 10.1016/S0015-0282(16)42497-0
DO - 10.1016/S0015-0282(16)42497-0
M3 - Article
AN - SCOPUS:0017596363
SN - 0015-0282
VL - 28
SP - 456
EP - 458
JO - Fertility and Sterility
JF - Fertility and Sterility
IS - 4
ER -