Definition of Planulae. Meaning of Planulae. Synonyms of Planulae

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

Definition of Planulae

Planulae
Planula Plan"u*la, n.; pl. Planul[ae]. [L., a little plane.] 1. (Biol.) In embryonic development, a vesicle filled with fluid, formed from the morula by the divergence of its cells in such a manner as to give rise to a central space, around which the cells arrange themselves as an envelope; an embryonic form intermediate between the morula and gastrula. Sometimes used as synonymous with gastrula.

Meaning of Planulae from wikipedia

- Corals are marine invertebrates within the cl**** Anthozoa of the phylum Cnidaria. They typically live in compact colonies of many identical individual...
- hydrozoans, T. dohrnii begin their life as tiny, free-swimming larvae known as planulae. As a planula settles down, it gives rise to a colony of polyps that are...
- ****ually mature medusae. These spawn gametes which develop into non-swimming planulae that crawl away to new locations. Hydrozoa is a large group of solitary...
- with a planula stage, many coastal scyphozoans, and some hydrozoans. The planulae of the subphylum Medusozoa have no mouth, and no digestive tract, and are...
- tuberculata's four main stages of growth include the swimming larvae known as planulae, younger, sessile polyps called scyphistomae, the undeveloped young adult...
- into a blastula, then a ciliated swimming larva called a planula. The planulae are free-swimming for a while but eventually attach themselves to some...
- actinula larvae that either settle on a suitable substrate (in the case of planulae), or swim and develop into another medusa or polyp directly (actinulae)...
- seasonally or throughout the year. Fertilized eggs develop into larvae called planulae which drift freely for about a w**** before settling on the substrate. Mature...
- stage in most instances. Sperm fertilize eggs, which develop into larval planulae, become polyps, bud into ephyrae and then transform into adult medusae...
- settling on the seabed and metamorphosing into a juvenile polyp. Some planulae contain yolky material and others incorporate zooxant****ae, and these...
Loading...