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

- 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...
- simultaneously overnight, often around a full moon. Fertilized eggs form planulae, a mobile early form of the coral polyp which, when mature, settles to...
- Effects of the Sunscreen UV Filter, Oxybenzone (Benzophenone-3), on Coral Planulae and Cultured Primary Cells and Its Environmental Contamination in Hawaii...
- ****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...
- tuberculata's four main stages of growth include the swimming larvae known as planulae; younger, sessile polyps called scyphistomae; the undeveloped young adult...
- medusae. Fertilized eggs develop into small ciliated larvae called planulae. The planulae then settle to the bottom and develop into polyps. However, the...
- substrate as a polyp. Features on the polyp include a mouth and tentacles. The planulae demonstrates cephalization with concentration of neurons and sensory cells...
- 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...
- 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)...
- hydrozoans, T. dohrnii begin their lives as tiny, free-swimming larvae known as planulae. As a planula settles down, it gives rise to a colony of polyps that are...