Definition of Aplacental. Meaning of Aplacental. Synonyms of Aplacental

Here you will find one or more explanations in English for the word Aplacental. Also in the bottom left of the page several parts of wikipedia pages related to the word Aplacental and, of course, Aplacental synonyms and on the right images related to the word Aplacental.

Definition of Aplacental

Aplacental
Aplacental Ap`la*cen"tal, a. [Pref. a- + placental.] Belonging to the Aplacentata; without placenta.

Meaning of Aplacental from wikipedia

- Ovoviviparity, ovovivipary, ovivipary, or aplacental viviparity is a "bridging" form of reproduction between egg-laying oviparous and live-bearing viviparous...
- of the three major modes of elasmobranch reproduction encomp****ed by "aplacental viviparity", and can be contrasted with yolk-sac viviparity (in which...
- producing light from a distinctive array of photop****s. Reproduction is aplacental viviparous, with females gestating two or three young at a time. The dwarf...
- the rays separate and withdraw to shelters on the reef. Reproduction is aplacental viviparous, with females giving birth to litters of up to seven young...
- and results in live birth. Viviparity in sharks can be placental or aplacental. Young are born fully formed and self-sufficient. Hammerheads, the requiem...
- hunt both on the sea floor and well above it in open water. It is likely aplacental viviparous, with the mother supplying her gestating young with histotroph...
- suggests that it is adapted for hunting at night. The crocodile shark is aplacental viviparous, with females typically giving birth to litters of four. The...
- been do****ented within the aggregations at Poor Knights. This species is aplacental viviparous, with the developing embryos sustained by histotroph ("uterine...
- between po****tions of sharks living in different regions. This species is aplacental viviparous, meaning that the young hatch inside the uterus and are nourished...
- prey, mostly benthic bony fishes, but also skates and invertebrates. An aplacental viviparous species, females bear litters of seven to 25 pups every other...