COMPARATIVE VERTEBRATE ANATOMY
LAB TERM CHECKLIST - WEEK 1
The terms listed below are those for which you will be held responsible. Additionally, you will also need to know the associated taxonomy, any relevant homologies and the function of each structure.
PHYLUM HEMICHORDATA "Acorn Worms"
Collar Trunk External Gill slits Proboscis Pharynx
PHYLUM CHORDATA
SUBPHYLUM UROCHORDATA Tunicates
Ascidian Tadpole (Slides; w.m.)
Notochord Nerve Cord Gill Slits
Tunicates - Adult
Tunic Pharynx Excurrent Siphon Incurrent Siphon Atrium Gonad
PHYLUM CHORDATA
SUBPHYLUM CEPHALOCHORDATA
Lancelets - Amphioxus (Whole, Preserved)
Median Dorsal Fin Caudal Fin Gonads Ventral Fin Atriopore Rostrum Buccal Cirri
Myomeres Myosepta
Lancelets - Amphioxus (Whole Mount, Cleared & Stained)
Endostyle Oral Hood Vestibule Fin Rays Notochord Nerve Cord Wheel Organ Velum Mouth
Velar Tentacles Pharynx Atrium Gill Slits=Pharyngeal slits Intestine Hepatic Diverticulum=midgut cecum
Lancelets - Amphioxus (Cross-sections)
Epidermis Dorsal Fin Myomeres Nerve Cord Notochord Vestibule Buccal Cirri Metapleural folds Pharynx
Endostyle Caudal Fin Atrium Gonads Hepatic Diverticulum Coelom Intestine Ventral Fin
Epipharyngeal Groove=epibranchial groove
PHYLUM CHORDATA
SUBPHYLUM VERTEBRATA
Class Cephalaspidomorpha
Lamprey - External Morphology
Head Trunk Cloacal Aperture=urogenital papilla Buccal Funnel Buccal Papillae Anterior Dorsal Fin Horny Teeth Nostril
Posterior Dorsal fins Pineal Organ=pineal gland Caudal Fin Lateral Line Myomeres External Gill Slits Tail
Eyes
Lamprey - Sagittal Section
Myomeres Myosepta Brain Spinal Cord Nostril Pineal Organ=pineal gland Olfactory Sac Cranial Cartilages
Nasohypophyseal Pouch=hypophyseal pouch Notochord Dorsal Aorta Buccal Funnel Mouth Tongue Annular Cartilage
Pharynx Lingual Cartilage Lingual Muscle Esophagus Branchial Tube Internal Gill Slits Velum Ventral Aorta
Inferior (=internal) Jugular Vein Ventricle Branchial Basket Cartilages
Lamprey - Cross section (through eyes)
Pharynx Pharyngeal Glands Cranial Cartilage Retina Ocular (eye) Muscles Lingual Cartilage Eyes
Olfactory Sac Nasohypophyseal Pouch=hypophyseal pouch Lens Pineal Organ Carotid Arteries Myomeres
Lamprey - Cross Section (through Branchial Tube)
Spinal Cord Notochord Anterior Cardinal Veins Dorsal Aorta Esophagus Branchial Tube Gill Pouches Gill Lamellae
Ventral Aorta Lingual Muscle Inferior Jugular Vein
Lamprey - Cross Section (through trunk)
Intestine Gonad Posterior Cardinal Veins Liver
Lamprey - Cross Section (through tail)
Fin Rays Caudal Artery Caudal Vein
Lamprey - Skeleton
Skull Notochord Branchial Basket Tongue Support=piston cartilage of tongue
Ammocoete Larva (Slides-Whole Mount and Cross-sections)
Dorsal Fin Caudal Fin Spinal Cord Eyes=eyespot Nostril Auditory Vesicles Notochord Oral Hood
Buccal Cavity=oral cavity Liver Velar Folds=velum Gill Pouches Pharynx Anus Subpharyngeal Gland Esophagus Intestine
Gill Lamellae=gill filaments Heart Oral Papillae=oral tentacles
Return to Compartive Anatomy Home Page