Category Archives: Medical
Donwload the powerpoint here: hormonal_control.ppt
Here’s a good simple overview of steroids and peptides – Wisconsin Online
Old school overview of the endocrine system:
Mode of action of steroid hormones:
Clear explanation from McGraw Hill
Mode of action of peptide steroids:
Short video, but clear – UC Davis
Mode of action of thyroxine:
Negative feedback and thyroxin secretion:
Control of the pituitary – Leif Saul (Biology in Motion – very good)
Control of ADH Secretion:
Too simple, but good overview – BBC GSCE Bitesize
Focus on the kidney (reviewing the effect of ADH) – BiologyMad
Other useful links:
Here are some animations about rDNA technology. More direct links below the video.
rDNA and plasmid and phage vectors from the Royal Veterinary College (more animations on the left of their page)
Philips electronics have some good clips of their 4D ultrasound technology in action at their website:
Worth a look in the reproduction topics.
This video is a great clip for comparing the old-school ultrasounds with the new 4D technology. She’s expecting triplets, too, which makes it more amazing. And here’s the clincher: listen to the soundtrack song carefully.
Nice, simple animations here:
Aimed at the panicky classes after the Wakefield/MMR-autism fiasco- so are quite basic- but raise some points for discussion.
The rest of the NHS immunisation site contains some good, clear information on vaccination schedules and the various diseases covered.