ZOOL325 Lecture Notes - Lecture 1: Bowfin, Anapsid, Diapsid
1 Mar 2018
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Laboratory ii bone structure & development and the. Compact and spongy or cancellous bone structure kardong page 182. Note the lack of fusion of epiphyses of the long bones (left femur) The shark cranium assigned readings: wischnitzer and wischnitzer pages 37-42. Cat cranium assigned readings: wischnitzer and wischnitzer pages157-163. Cat skull, mandible and hyoid (articulated and disarticulated cat skeletons) Jaw evolution and lower jaw suspension kardong pages 247-248. Note: jaw articulation between quadrate and angular (articular is present though not visible). Identify the following structures and know their functions. Tuatara skeleton (sphenodon punctatus) diapsid skull example. Note the lack of clear separation between temporal fenestrae. Note the loss of the lower temporal bar. Green sea turtle skull anapsid skull example. Palatoquadrate (shark) = quadrate (bony fish, amphibians reptiles, birds) = incus (mammals) Meckel"s cartilage (shark) = articular (amphibians, reptiles, birds) = malleus (mammals) Hyomandibular cartilage/hyomandibula (fish) = columella/stapes (amphibians, reptiles, birds) = stapes (mammals)
