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Dr. Bret Kuss Biology

Home > Comparative Anatomy > Embryonic Development

Embryonic Development

Review of Spermatogenesis and Oogenesis

Chordate Egg Types and Development

Early Cell Division Patterns in Amphioxus, Frog, Bird, and Human

Gastrulation in Amphious, Frog, Bird, and Human

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