Lamprey Anatomy

Respiratory organs located around the digestive tract in the anterior section of the body. Features a pink coloration.

Lamprey

Lampreys sometimes inaccurately called lamprey eels are an ancient extant lineage of jawless fish of the order petromyzontiformes placed in the superclass cyclostomata.

Lamprey anatomy. The macmillan company 1900. Connected to external gill slits. Respiratory system of lamprey.

The muscles of trunk and tail are arranged in e shaped myotomes. The adult lamprey may be characterized by a toothed funnel like sucking mouth. It includes the notochord and cartilaginous endoskeleton.

Basic external and internal anatomy of a sea lamprey a parasitic jawless fish in the class petromyzontida. Ernst a teaching a. Primary site of oxygen absorption.

The esophagus and bronchial tube pass through the gills. Contraction of the branchial constrictor muscles and the ventral and dorsal diagonal muscles cause a reduction in the volume of the branchial basket which forces water out of the gill pouches and fill with water as the volume of the branchial basket increases due to elastic recoil. Jeffrey a manual of zoology new york ny.

This video was produced by c. The skin is soft slimy and consists of many layers of cells. Anatomy of lamprey with diagram vertebrates chordata zoology body wall.

Evolution Of The Vertebrate Cranium Viewed From Hagfish