Home      Discussion      Topics      Dictionary      Almanac
Signup       Login
Chromadoria

Chromadoria

Overview
The Chromadoria are a subclass of the class Adenophorea
Adenophorea
Adenophorea is a class of nematodes. They are unsegmented worms.Characteristics of adenophorea are:* amphids always post-labial, variable shape, pore-like to elaborate* deirids are not seen* phasmids are generally absent...

, (belonging to the phylum Nematoda - roundworms). Members of this subclass' bodies usually have annules, their amphid
Amphid
Amphids are inervated invaginations of cuticle in nematodes. They are usually found in the anterior region of the animal, at the base of the lips. Amphids are the principal chemosensory organs of nematodes. Each amphid is made up of 12 sensory neurons with ciliated dendrites....

s elaborate and spiral, and they all have three esophageal glands
Esophageal glands
The esophageal glands are small compound racemose exocrine glands of the mucous type.They are lodged in the submucous tissue, and each opens upon the surface by a long excretory duct....

. They usually live in marine sediments, although they can live elsewhere. They have more sophisticated pharynx
Pharynx
The pharynx is the part of the neck and throat situated immediately posterior to the mouth and nasal cavity, and cranial, or superior, to the esophagus, larynx, and trachea.-Functions:...

s than most roundworms.
Discussion
Ask a question about 'Chromadoria'
Start a new discussion about 'Chromadoria'
Answer questions from other users
Full Discussion Forum
 
Encyclopedia
The Chromadoria are a subclass of the class Adenophorea
Adenophorea
Adenophorea is a class of nematodes. They are unsegmented worms.Characteristics of adenophorea are:* amphids always post-labial, variable shape, pore-like to elaborate* deirids are not seen* phasmids are generally absent...

, (belonging to the phylum Nematoda - roundworms). Members of this subclass' bodies usually have annules, their amphid
Amphid
Amphids are inervated invaginations of cuticle in nematodes. They are usually found in the anterior region of the animal, at the base of the lips. Amphids are the principal chemosensory organs of nematodes. Each amphid is made up of 12 sensory neurons with ciliated dendrites....

s elaborate and spiral, and they all have three esophageal glands
Esophageal glands
The esophageal glands are small compound racemose exocrine glands of the mucous type.They are lodged in the submucous tissue, and each opens upon the surface by a long excretory duct....

. They usually live in marine sediments, although they can live elsewhere. They have more sophisticated pharynx
Pharynx
The pharynx is the part of the neck and throat situated immediately posterior to the mouth and nasal cavity, and cranial, or superior, to the esophagus, larynx, and trachea.-Functions:...

s than most roundworms.



External links