Dictionary » J » Jaws


Jaw skeleton --> viscerocranium

That part of the skull derived from the embryonic pharyngeal arches; it comprises the facial bones of the facial skeleton (under bone) and is distinct from that part of the skull which forms the neurocranium or braincase.

Synonym: cranium viscerale, visceral cranium, jaw skeleton, splanchnocranium.

Origin: viscero-_ cranium

cartilaginous viscerocranium, those elements of the foetal skull derived from the second and succeeding pharyngeal arch cartilages.

membranous viscerocranium, membranous bones, developed in the foetal skull, that overlie maxillary and mandibular components of the first pharyngeal arch cartilage.

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To touch another body trough own skin..:)

... deal as for this that me know". I seen that one a self confident doctor with his monitoring stay (when he watch autists) simply pressed their jaws muscles and they then closes their mouths:) For receiving of autists talk, necessary a special (non-pin) status, helps a dolphin therapy (their ...

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by Brandon888
Fri Jun 15, 2012 9:09 am
Forum: Evolution
Topic: To touch another body trough own skin..:)
Replies: 0
Views: 1995

Can anyone help Identify these fish vertebra?

... did when studying cat, kestrel, owl and and shrike diets in the Canary Islands. There were up to five lizard prey species in some habitats. Their jaws and skull bones were easy to distinguish in pellets, but their vertebrae not so often. I have not a clue about fish vertebrae but I believe to ...

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by marquitosgm
Mon Mar 26, 2012 9:05 am
Forum: Zoology Discussion
Topic: Can anyone help Identify these fish vertebra?
Replies: 1
Views: 3221

Animal Behaviour MC questions

... if the males wrapped their gifts in order to make them look like the white, silk‐covered egg sacs that mated females make and hold in their jaws to protect until the spiderlings hatch. (4 marks) i. The last sentence in the paragraph above constitutes: a. A causal question b. A hypothesis ...

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by mushroom
Thu Oct 27, 2011 4:44 am
Forum: Zoology Discussion
Topic: Animal Behaviour MC questions
Replies: 3
Views: 4379

Re: Digestive System Evolution

... a cecal valve when placed in a different environment -something that in their kind of animal, is rare. They developed different diet, dentition, jaws, skulls, social behaviours, and gut, in a time frame that defies conventional wisdom. It could be a different phenome without necessarily any mutations. ...

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by Crucible
Thu Oct 06, 2011 1:58 am
Forum: Evolution
Topic: Digestive System Evolution
Replies: 60
Views: 121561

Re: 5 best proofs of evolution

... of it: fish embryos have gill slits that become ... gills, when the fish is adult. Fair enough! Humans have ‘gill slits’ that become ... ears and jaws. If I said, “Birds have these very, very long ears, with feathers on them ... and they use them for flying.” You’d probably say, “Hey, dummy, those ...

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by JackBean
Wed Sep 22, 2010 11:39 am
Forum: Evolution
Topic: 5 best proofs of evolution
Replies: 170
Views: 270162
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