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Midline
From tip to tail, a line the splits the body into 2 equal parts (midsagittal plane)
Medial
moving toward midline
Lateral
moving away from midline
Anterior
front end
Posterior
Back end
Dorsal
toward the back
Cephalic
toward the head
Rostral
toward forehead or nose
Caudal
toward the tail
Proximal
toward the point of attachment
Distal
away from point of attachment

Whose skull is this?
Columba livia

What skull is this?
Gallus domesticus (chicken)

What skull is this?
Iguana iguana

What skull is this?
Lithobates catesbeiana

Whose skull is this?
Felis catus

Who is this? Where is the notochord and what are the black dots called?
Amphioxus: Branchiostomata lanceolatum; ocelli

Who is this?
Amphioxus

What is A?
Dorsal fin fold

What is B?
nerve cord

What is C?
The notochord

What is D?
Myomeres

What is E?
Pharynx

What is F?
Gill bars

What is G?
hepatic diverticulum

What is H?
Gonads

What is I?
The Atrium

Who is this?
Ammocoete, larval lamprey

Who is this?
Ammocoete

What is A? (top to bottom)
myomeres

What is B?
spinal cord

What is C?
Notochord

What is D?
Hyperpharyngeal ridge

What is E?
gill lamellae

What is the open space between the gill lamellae?
the pharynx

What is the bottommost arrow pointing to?
The subpharyngeal gland
What are the lines in between the myomeres called?
myosepta (link the muscles)

Who is this and what is the red arrow pointing to?
adult Petromyzon marinus; heart

Where are the gonads what sex is this specimen?
female


Where is the cranial cartilage?


Where is the papillae?


Where is the buccal cavity?


Where is the brain?


Where is the tongue?


Where is the branchial tube?


Where are the gills?


Where is the intestine?


Where is the liver?


Where is the Notochord?


Where is the olfactory sac?


Where is the spinal cord?


Where is the notochord?


Where are the gill lamellae?


Where is the external gill opening?


Where is the inferior jugular vein?


Where is the branchial pouch?


Where is the esophagus?


Who is this?
Squalus acanthias (dogfish shark)

visceral arches?


Meckel’s cartilage?


Otic capsule?


Hyomandibular?


pectoral girdle?


pelvic girdle?


Where is the spine on the anterior dorsal fin?


rostrum?


nasal cavity?


Where does the notochord run through?


neural spine?


neural canal?


hemal canal?


hemal arch?


Hemal spine?


entrum?

What is the ceratotrichia?
The material that makes up each fin (not including any skeletal cartilage)

Who is this?
Lithobates catesbeiana

premaxilla?


maxilla?


nasal?


Where is the Frontoparietal and what is unique about it compared to the other tetrapods?
The frontal and parietal bones are fused


Pterygoid?


Squamosal?


Quadrate?


Quadratojugal?


Exoccipital?


Occipital condyle?


foramen magnum?


parashenoid?


dentary bone?

Where is the angulosplenial and what is unique about it compared to the other Tetrapods?
They don’t have a separate angular and surangular or an articular.


phalangies?


metacarpals?


carpals?


Radius and ulna?


humerus?


scapula?
Beneath the suprascapula


Tibiofibula and femur?


Ilium?


ischium?


urostyle?
The long bone through the middle of the pelvic girdle (not labeled in picture)
