Anatomy I
What is the name of the body section of Sipunculids that is made up of the mouth and the oral tentacles
Introvert
What is the name for the second segment on the anterior end of annelid worms, also known as the first true segment of annelid worms, which contains the mouth?
Peristomium
What is the name for the final segment of annelid worms?
Pygidium
What is the genus of the local representative of the Annelid Family that is burrowing with 4 jaws attached to venom glands?
Glycera
What is the genus of the local representative of the Annelid Family that are burrowing deposit feeders with no head appendages and reduced parapodia?
Abarenicola
What is the name for the modified dorsal cirri in Subclass Errantia that help channel ventilating water and have sensory structures?
Elytra
Where do the gametes mature in many groups of annelids?
Coelom
What is the name for the cells unique to Sipunculids that are used to filter and clean the coelom?
Urn cells
What is the genus of the local representative of the Annelid Family that has a long pharynx with denticles and swims with strong latitudinal muscles?
Nephtys
What is the genus of the local representative of the Annelid Family that are tubicolous suspension feeders with long, filamentous tentacles and uncini?
Terebella, Pista, Thelepus, or Eupolymnia
What is the name for the oval slits on the dorsal end of the neuropodia that allow for the excretion of final urine and gametes in some groups?
Nephridiopore
Annelid parapodia are biramous, meaning they have a dorsal and ventral lobe, what is the name for the dorsal lobe?
Notopodium
Subclass Hirudinea uses an anterior and posterior sucker to attach for feeding purposes, what is the name of the anticoagulant used to assist in feeding?
Hirudin
What is the genus of the local representative of the Annelid Family that possess elytra?
Arctonoe or Halosydna
What is the genus of the local representative of the Annelid Family that are suspension feeders with radioles and produce operculum and calcareous tubes?
Serpula
Annelids have an esophagus like many other animals; in addition to this they have structures that aid in water and nutrient absorption attached to the esophagus, what are they called?
Esophageal caeca
What is the name for the specialized glandular region in the epidermis of Class Clitellata that secretes mucus and a cocoon?
Clitellum
Some annelids have chemosensory organs, what is the name of them?
Nuchal organs
What is the genus of the local representative of the Annelid Family that is found with clams and mussels and has well-developed palps, antennae, peristomial cirri, eyes, and pharynx with jaws?
Nereis
What is the genus of the local representative of the Annelid Family that are suspension feeders with radioles that produce operculum and very small calcareous tubes?
Spirorbis or Pileolaria
Annelids have specialized cells that serve liver-like functions such as glycogen and fat synthesis/storage, formation of nitrogen waste, detoxification, and hemoglobin synthesis; what are these cells called?
Chlorogogen cells
If the nephridiopore is the end of the nephridial tubule, what is the beginning?
Nephrostome
Many annelids have dorso-lateral brachial gills used in gas exchange involving oxygen-binding pigments, such as hemoglobin, what are the other two kinds of oxygen-binding pigments they can have?
Chlorocruorin and Hemerythrin
What is the genus of the local representative of the Annelid Family that produce epitokes, brood their embryos, and whose benthic forms feed on hydroids and sponges?
Autolytus
What is the genus of the local representative of the Annelid Family that are suspension feeders with radioles and produce non-calcareous tubes and lack an operculum?
Eudistylia or Schizobranchia