hatching spine

См. также в других словарях:

• hatching spine — noun : a spine on the unhatched young of various insects used to break the embryonic envelope …   Useful english dictionary

• egg-burster — (ARTHROPODA: Insecta) Various cuticular structures that aid in hatching by rupturing the egg membranes; egg tooth; hatching spine; ruptor ovi; hatching tooth …   Dictionary of invertebrate zoology

• art and architecture, Oceanic — ▪ visual arts Introduction       the visual art (art) and architecture of native Oceania, including media such as sculpture, pottery, rock art, basketry, masks, painting, and personal decoration. In these cultures, art and architecture have often …   Universalium

• Crustacean larvae — Larval and adult prawns Nauplius larva Adult Penaeus monodon …   Wikipedia

• atheriniform — ▪ fish Introduction       any member of the order Atheriniformes, containing 15 families of marine and freshwater spiny finned fishes (spiny finned fish), including the flying fishes (flying fish) (see ), needlefishes (needlefish), silversides,… …   Universalium

• Anura — ▪ amphibian order Introduction also called  Salientia    one of the major extant orders of the class Amphibia (amphibian). It includes the frogs (frog) and toads (toad), which, because of their wide distribution, are known by most people around… …   Universalium

• Hoplosternum littorale — Taxobox name = Hoplosternum littorale regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Siluriformes familia = Callichthyidae genus = Hoplosternum species = H. littorale binomial = Hoplosternum littorale binomial authority =… …   Wikipedia

• fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with …   Universalium

• Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… …   Universalium

• Bluefin trevally — Scientific classification Kingdom: Animalia Phylum …   Wikipedia

• chondrichthian — /kon drik thee euhn/, n. any member of the class Chondrichthyes, comprising the cartilaginous fishes. [ < NL, equiv. to chondr CHONDR + Gk ichthýes (pl.) fish] * * * ▪ fish class Introduction class name  Chondrichthyes,  or  Selachii    any… …   Universalium