@article{oai:ir.kagoshima-u.ac.jp:00012926,
 author = {TSUKAHARA, Junzo},
 journal = {南太平洋海域調査研究報告=Occasional papers},
 month = {2016-10-31},
 note = {Structural changes during the formation of spermatophore in the accessory
gland of Nautilus pompilius from Fiji were studied.
Many clusters of spermatozoa are found in the aperture of the testis. However,
these clusters are very scarcely observed in the proximal portion of vas deferens.
Immature spermatophore is formed in the distal portion of vas deferens.
In the seminal vesicle of full grown male, irregularly coiled immature
spermatophore is always found. Mature and tightly coiled spermatophore is stored
in the spermatophore sac. As the maturation progresses, the wall of the
spermatophore becomes thicker and more tough, and the crowd of the spermatid,
"sperm rod", is packed more tightly.
The inner surfaces of reproductive organs other than testis are always lined
with well developed microvilli.},
 pages = {48--51},
 title = {Structural Changes during Spermatophore Formation of the Nautilus pompilius},
 volume = {15},
 year = {}
}