Fertilization occurs externally in squid, since spermatangia are stored outside of the perivisceral coelom and oviducts (Hanlon and Messenger 1996). In loliginids, two spermatangium storage sites exist—the buccal membrane and the distal oviduct—and spawned eggs are passed along both sites for fertilization.
21 янв. 2019 г. · Though fertilization is achieved by use of as few as 11 sperm (Figure 1G), females occasionally use almost fifty times more sperm than is needed ... |
21 янв. 2019 г. · Here, we report the fertilization process of a squid using a glass plate as a spawning substratum, enabling observation within the female arm. |
6 июн. 2013 г. · Bottletail squid, for instance, practice external fertilization; females store the sperm in a special cavity near their mouth until it's time ... |
External fertilization in an aquatic environment protects the eggs from drying out. Broadcast spawning can result in a greater mixture of the genes within a ... |
21 янв. 2019 г. · Here, we report the fertilization process of a squid using a glass ... squid to externally fertilize her eggs using relatively few sperm. |
PDF | Recent studies have highlighted the intriguing reproductive behaviors in some coastal squid species. Here we review briefly pre-copulative. |
(We know this because successful laboratory fertilization of Humboldt squid eggs requires the addition of oviducal gland extract.) Jelly from the nidamental ... |
... external fertilization. The spermatophore fluid of the squid contains a substance which, when added to a suspension of washed spermatozoa, causes a distinct ... |
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