biology

Helen Lucia Mary Pixell

Helen Lucia Mary Pixell is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Helen Lucia Mary Pixell rather than just read about it. In short: Helen Lucia Mary Pixell Goodrich (25 July 1878 – 29 May 1957) was a British zoologist and researcher notable for her studies on marine fauna and protozoa. Early life Helen Lucia Mary Pixell was born on 25 July 1878 to the Reverend Charles Henry Vincent Pixell and Edith Mary Wilson.

Key takeaways

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Reference excerpt

Helen Lucia Mary Pixell Goodrich (25 July 1878 – 29 May 1957) was a British zoologist and researcher notable for her studies on marine fauna and protozoa.

Early life Helen Lucia Mary Pixell was born on 25 July 1878 to the Reverend Charles Henry Vincent Pixell and Edith Mary Wilson.

Education and career Pixell graduated with a BSc in zoology from Bedford College, London in 1901. In 1904 she became a Junior Demonstrator at Bedford College. Pixell received a Reid Fellowship in 1910 that funded her until 1913 and enable her to conduct research marine fauna in the Georgian Strait. In 1911, she was provided with quarters by the Canadian Government at Departure Bay, where she dredged British Columbian waters off Vancouver Island. The material she collected was presented to the British Natural History Museum for ecological examination. Pixell received a Beit Memorial Fellowships for Medical Research in 1913. In 1915, she was awarded a DSc for her research; in 1942 she received her M.A.

Research While she worked at Bedford College at the University of London, she wrote a chapter on polychaetes in the volume describing the scientific results of the Scottish National Antarctic Expedition on the S.Y. Scotia from 1902 to 1904. She researched oral hygiene and the role of mouthwash as an antiseptic, and published details on making mouthwash. Her research on Entamoeba histolytica was reviewed in a 1916 volume of Nature. Her 1918 book, Canning and Bottling, was briefly reviewed in the Saturday Review of Politics, Literature, Science and Art. While at Oxford, she worked on the science of fruit preservation and bee diseases. In a 1997 book on science conducted at Oxford, Jack Morrell described Helen as "a dominating figure in the laboratory compared with her husband". She also contributed to the ninth edition of Bolles Lee's Microtomist's vade-mecum and her contribution was noted in a 1929 review of the book.

Awards and honors In 1946, the P.L. Misra named a type of protist in the Gregarinasina class, Grebneckiella pixellae, in honor of Pixell's work on Grebneckiella.

Personal life Pixell married Edwin Stephen Goodrich in 1913; he was a comparative vertebrate morphologist. While they shared similar professional interests, they kept their scientific work largely separate. She died in 1957.

Selected publications Pixell, H. L. M. (1912-12-01). "Memoirs: Two New Species of the Phoronidea from Vancouver Island". Quarterly Journal of Microscopical Science. 58 (230): 257–284. Pixell, Helen L. M. (1912). "Polychæa from the Pacific Coast of North America.— Part I. SERPULTIDE. with a Revised Table of Classification of the Gennus Spirorbis". Proceedings of the Zoological Society of London. 82 (4): 784–805. doi:10.1111/j.1469-7998.1912.tb07558.x. ISSN 0370-2774. Pixell, Helen L. M. (1913). "Notes on Toxoplasma gondii". Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character. 87 (592): 67–77. doi:10.1098/rspb.1913.0059. Pixell-Goodrich, Helen L. M. (1914-04-01). "Memoirs: The Sporogony and Systematic Position of the Aggregatidæ". Quarterly Journal of Microscopical Science. 60 (237): 159–173. Pixell-Goodrich, Helen L. M. (1915-05-01). "Memoirs: On the Life-History of the Sporozoa of Spatangoids, with Observation on some Allied Forms". Quarterly Journal of Microscopical Science. 61 (241): 81–104. Pixell-Goodrich, Helen L. M. (1916-03-01). "Memoirs: The Gregarines of Glycera Siphonostoma". Quarterly Journal of Microscopical Science. 61 (243): 205–216. Goodrich, Helen Pixell (1917-04-14). "Mouth-Washes in Health and Disease". Br Med J. 1 (2937): 473–475. doi:10.1136/bmj.1.2937.473. ISSN 0007-1447. PMC 2348080. PMID 20768541. Goodrich, Helen Pixell (1917-05-19). "Glycerine and Antiseptics". Br Med J. 1 (2942): 647–648. doi:10.1136/bmj.1.2942.647. ISSN 0007-1447. PMC 2348463. PMID 20768592. Goodrich, Helen Pixell (1918). Canning and bottling : with notes on other simple methods of preserving fruit and vegetables. OCLC 20672729. Goodrich, Helen Pixell (1920). Determination of age in honey-bees. [London]: [s.n.] doi:10.5962/bhl.title.56684. Pixell-Goodrich, Helen L. M. (1920-01-01). "Memoirs: Determination of Age in Honey-Bees". Quarterly Journal of Microscopical Science. 64 (254): 191–205. Goodrich, Edwin S.; Goodrich, H. L. M. Pixell (1920-12-01). "Memoirs: Gonospora minchinii, n. sp., a Gregarine inhabiting the egg of Arenicola". Quarterly Journal of Microscopical Science. 65 (257): 157–162. Goodrich, Helen Pixell; Way, Geoffrey L. (1940-05-11). "Prevention of Throat Infection". Br Med J. 1 (4140): 768–769. doi:10.1136/bmj.1.4140.768. ISSN 0007-1447. PMC 2177442. PMID 20783092. Goodrich, Helen Pixell (1956). "Crayfish epidemics". Parasitology. 46 (3–4): 480–483. doi:10.1017/S0031182000026615. ISSN 1469-8161. PMID 13378890.

References

External links Letters from Helen Lucia Mary Goodrich at the University of St. Andrews Helen Lucia Mary Goodich (née Pixell) at the National Portrait Gallery

Worked examples

Example 1 — a first encounter with Helen Lucia Mary Pixell

Start with the simplest possible case. Write down what Helen Lucia Mary Pixell claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Helen Lucia Mary Pixell before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Helen Lucia Mary Pixell ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Helen Lucia Mary Pixell

In research: Helen Lucia Mary Pixell appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Helen Lucia Mary Pixell in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Helen Lucia Mary Pixell is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1878 births, 1957 deaths, Academics of Bedford College, London, so understanding it makes those chapters shorter.
In everyday life: Look for Helen Lucia Mary Pixell outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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Frequently asked questions

What is Helen Lucia Mary Pixell in simple terms?

Helen Lucia Mary Pixell Goodrich (25 July 1878 – 29 May 1957) was a British zoologist and researcher notable for her studies on marine fauna and protozoa. Early life Helen Lucia Mary Pixell was born on 25 July 1878 to the Reverend Charles Henry Vincent Pixell and Edith Mary Wilson.

Why does Helen Lucia Mary Pixell matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Helen Lucia Mary Pixell?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Helen Lucia Mary Pixell.