Showing posts with label head. Show all posts
Showing posts with label head. Show all posts

Cat Feed

"You can have it all then."
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Funny Animal Photos
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Lead Dog

"He always takes the lead."
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Funny Animal Photos
-------Australian Blog-------

Ear Drop Duck

"I'll have to whip down to the pharmacy and get some ear drops."
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Funny Animal Photos
TwitThis

No Scales on a Crocodile's Head

Contrary to popular belief crocodiles don't have scales on their heads. They are just cracks in the thick skin on their skulls. The rest of the body does have scales. How the animal develops biologically is interesting. Each scale forms from a discrete scale primordium. For example, scales at similar points each side of the body are identical.

The deep lines on the head are unique to each crocodile, like a fingerprint. Indeed, the lines are not symmetrical. Now it is possible to identify young crocodiles without tagging, to follow their growth.

Having no primordia on a crocodile's head is functional. Mounds of skin build up and form an active memrocobrane. Receptors detect fine vibrations in water. This helps in hunting.

It has been hypothesised that fingerprints form in the same way as the "cracks" on the heads of crocodiles. This unregulated gene formation building on earlier skin development is probably the reason why identical twins have different fingerprints. The final shape of all creatures was believed to be totally preprogrammed by genes.
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Genetics
TwitThis

Watch Out for Fowl Attacks

A three month old boy was brought into the emergency section of a local hospital with deep cuts to his head. X-rays showed skull fractures. In consultation with the boy's parents doctors discovered that the child had been the target of an attack by a rooster.

Such assaults are not uncommon. In another incident a sixteen months old girl had a swollen face and seizures after a rooster went for her head. She had to have intravenous penicillin. An operation was carried out to drain an abscess on her brain. Unfortunately, she died.

Adults have also been attacked. A sixty year old women developed lockjaw after being pecked on the face. She was given a tracheotomy to help her breath. To assist recovery the hospital kept her sedated for a month in a darkened room.

Chickens are dirty creatures pecking around in the dirt. Bacteria thrive on their bodies. Tetanus injections must be given when an attack by a fowl is suspected. People should be watchful of all birds. Even pet birds are unpredictable and can suddenly become violent.
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Society
TwitThis

Kitten Dog Dad

"He's my dad. Can't you see the likeness?"
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Funny Animal Photos