Comparative Vertebrate Anatomy

Identify the animal in the following photo:

Amphioxus

Cephalachordata

Lancelet

What is structure A in the following diagram?

Dorsal fin

What is structure B in the following diagram?

Caudal fin

What is structure C in the following diagram?

Ventral fin

What is structure D in the following diagram?

Post-anal tail

What is A in the following diagram?

Velar tentacles

What is B in the following diagram?

Hesse ocelli

What is C in the following diagram?

Velum

What is D in the following diagram?

Dorsal hollow nerve cord

What is E in the following diagram?

Notochord

What is F in the following diagram?

Frontal eye

What is G in the following diagram?

Rostrum / Rostral fin

What is H in the following diagram?

Oral hood

What is I in the following diagram?

Inhalant aperture

What is J in the following diagram?

Oral cirri

What is K in the following diagram?

Oral cavity (internal)

What is A in the following diagram?

Hindgut

What is B in the following diagram?

Iliocolon

What is C in the following diagram?

Midgut

What is D in the following diagram?

Esophagus

What is E in the following diagram?

Hesse ocelli

What is F in the following diagram?

Anus

What is G in the following diagram?

Atriopore

What is H in the following diagram?

Hepatic cecum

What is I in the following diagram?

Pharynx

What is shown in the following diagram?

Cross section of amphioxus

What is A in the following diagram?

Dorsal hollow nerve cord

What is B in the following diagram?

Notochord

What is C in the following diagram?

Iliocolon

What is D in the following diagram?

Metapleural fold

What is E in the following diagram?

Atriopore

What is A in the following diagram?

Myomere

What is B in the following diagram?

Myoseptum

Myosepta (pleural form)

What is C in the following diagram?

Gill bar

What is D in the following diagram?

Atrium

What is E in the following diagram?

Gill slits

What is F in the following diagram?

Metapleural fold

What is G in the following diagram?

Dorsal hollow nerve cord

What is H in the following diagram?

Notochord

What is I in the following diagram?

Pharynx

What is J in the following diagram?

Hepatic cecum

What is K in the following diagram?

Endostyle

What is A in the following diagram?

Gonads

What is A in the following diagram?

Epibranchial groove

Identify the animal in the following photo:

Urochordata / Tunicate

What is structure A in the following diagram?

Oral siphon

What is structure B in the following diagram?

Atrial siphon

What is structure C in the following diagram?

Tunic

What is structure D in the following diagram?

Longitudinal muscles

What is structure E in the following diagram?

Circular muscles

What is structure F in the following diagram?

Attachment villi

What is structure G in the following diagram?

Internal organs

What is structure H in the following diagram?

Rectum

What animal skeleton is shown in the following diagram?

Petromyzontidae / Lamprey

What is A in the following diagram?

Chondocranium

What is B in the following diagram?

Annular cartilage

What is C in the following diagram?

Lingual cartilage

What is D in the following diagram?

Branchial basket

What is E in the following diagram?

Pericardial cartilage

What animal does this mouth belong to?

Petromyzontidae / Lamprey

What is A in the following diagram?

Teeth

What is B in the following diagram?

Mouth

What is C in the following diagram?

Oral disk

What is D in the following diagram?

Tongue

What is E in the following diagram?

Buccal papillae

What is A in the following diagram?

Naris

What is B in the following diagram?

Pineal eye complex

What is C in the following diagram?

Eye

What is D in the following diagram?

External pharyngeal slits

What is E in the following diagram?

Anterior dorsal fin

What is F in the following diagram?

Posterior dorsal fin

What is G in the following diagram?

Caudal fin

What is H in the following diagram?

Tail

What is I in the following diagram?

Cloacal aperture

What is J in the following diagram?

Trunk

What is K in the following diagram?

Myomeres

What is L in the following diagram?

Lateral line system + pores

What is M in the following diagram?

Oral funnel

What is A in the following diagram?

Spinal cord

What is B in the following diagram?

Notochord

What is C in the following diagram?

Common cardinal vein

What is D in the following diagram?

Ovary

What is E in the following diagram?

Dorsal aorta

What is F in the following diagram?

Intestine

What is G in the following diagram?

Atrium

What is H in the following diagram?

Sinoatrial aperture

What is I in the following diagram?

Sinus venosus

What is J in the following diagram?

Liver

What is K in the following diagram?

Ventricle

What is L in the following diagram?

Pericardial cartilage

What is A in the following diagram?

Dorsal aorta

What is B in the following diagram?

Kidney

What is C in the following diagram?

Archinephric duct

What is A in the following diagram?

Cloaca

What is B in the following diagram?

Urogenital papilla

What is C in the following diagram?

Liver

What is D in the following diagram?

Intestine

What is E in the following diagram?

Ovary

What is structure #1 in the sagittal section of the lamprey?

Annular muscle

What is structure #2 in the sagittal section of the lamprey?

Annular cartilage