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Dr. Bret Kuss Biology

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Shark and Ratfish head skeleton

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Integumentary Study Topics

Embryonic origins of the skin
Human skin layers
Human epidermal layers
Human epidermal cell types
Human structures of epidermal origin
Human hair
Human nails
Human skin glands
Human basement membrane
Human dermis
Human hypodermis
Human skin sensory receptors
Types of vertebrate scales
Dermal scales
Epidermal scales
Types of horns and antlers
Skin pigmentation
Phylogenetic trends
Taxonomic review of chordate integument
Integumentary System sample questions

Cranial Skeleton Study Topics

Cranial skeleton
Neurocranial division
Dermatocranial division
Splanchnocranial division
Sphenoid as a composite bone
Temporal as a composite bone
Occipital as a composite bone
Lamprey head skeleton
Shark and Ratfish head skeleton
Head skeleton of bony fishes
Neurocranial ossification in bony fishes
Dermal Bones and Scales in bony fishes
Dermal bones and the fish/amphibian link
Anapsides, diapsids, synapsids and others
Diapsids variations
Reduced dermal bone
Secondary palate formation
Hyomandibular expression
Quadrate and articular expression
Occipital condyle number
Cranial Skeleton Sample Questions