On Tubularia crocea in Plymouth Sound

Chemotactic Turning Behaviour of Tubularia Spermatozoa

Chemotaxis of spermatozoa to female gonophores has been shown to occur in Campanularia, Tubularia and other hydroids (Miller, 1966 a, b). Cinemicrographic records of the movements of Campanularia spermatozoa in the vicinity of female gonophores or of glass capillary pipettes containing extracts of female hydranths have shown that chemotactic aggregation of the spermatozoa occurs because the spe...

Some Plymouth Worthies, Part 1

Most towns in this country have produced distinguished sons who have made valuable contributions to art and science in their time. Plymouth is no exception. This paper deals with some names, well-known or less recognised, who practised medicine and surgery in Plymouth during the 17th, 18th and 19th centuries. Nearly all were Plymouth men, a few came from outside and one or two made their names ...

University of Plymouth: Inaugural Lectures

One evening in 1993, the University of Plymouth was host to a unique event. The Vice-Chancellor, Professor John Bull, was able to introduce inaugural lectures by the University’s two newest Professors of Chemistry in a ’double feature’ presentation. Professor Paul Worsfold .joined the Plymouth Analytical Chemistry Research Unit in the Department of Environmental Sciences from the University of ...

Inhibition of pacemaker systems in the hydroid Tubularia.

A number of phenomena have been described in Cnidaria which indicate that inhibition is one of the factors controlling behaviour in these, the most simply organized living animals with indisputable nervous systems (Table 1). Although the presence of inhibition in a number of species of Cnidaria is well documented, in no case is the mechanism of inhibition understood. An example of inhibition wh...

Plymouth Family Intervention Project Longitudinal Review : 2008 - 2013 Tracy Green Plymouth City Council & Dr Zoë