News articles tagged with 'morphology' (Page 2)
Microscopic morphology adds to the scorpion family tree
— 12 Jan 2009 21:18 | BiologyModern microscopy technology has allowed two scorpion biologists, Carsten Kamenz of the Humboldt University in Berlin and Lorenzo Prendini of the American Museum of Natural History,…
Dictyostelium cells shown to lay 'breadcrumb trail' as first step in multicellular formation
— 1 Dec 2008 16:44 | BiologyWhen starved of their food source and then presented with a chemoattractant signal like cAMP, individual Dictyostelium cells acquire a polarised morphology and aggregate to form a migrating…
Normal-looking sperm may have serious damage
— 9 Jul 2008 13:59 | HealthIntracytoplasmic sperm injection (ICSI), where a single sperm is injected into an egg to fertilise it, is increasingly used to help infertile men father children. Although the sperm…
Scientist develops groundbreaking methodology to identify cancerous cells
— 10 May 2008 02:48 | HealthRecognising the distinction between healthy and cancerous cells has traditionally been up to the eye of highly-trained cytologists and pathologists. While the majority of the resulting…
Size and positioning of floral anthers facilitates pollen collection by bees
— 9 Jul 2007 07:34 | BiologyUnlike moths and butterflies that are often brilliantly coloured to warn potential predators that they carry toxins, flowers and the fruits they produce have brilliant colours and unusual…