In my research, I used a comparative wood anatomical approach to address wood evolution of the (largely) tropical flowering plant families Apocynaceae and Sapotaceae.

Researcher: Hieke Huistra MSc. This PhD-project is directed at the historical and educational import of the Leiden University nineteenth-century pathological collections.

Nicolaes Tulp (1593-1674) studied medicine in Leiden. He attended lectures in the Academy Building and was taught anatomy in the former Faliede Begijn church, now the ‘Old Library’ (Oude UB) building, for a long time the location of the anatomical theatre. Shortly after his move from Leiden to Amsterdam,…

Explore "Surgical anatomy of the leg in relation to nerve injuries" at Boerhaave Nascholing. Read more here.

Across cultures, parents help their children master the social and linguistic codes needed in adult life. Recent research on language socialization found important cross-cultural differences, pointing out the need for more diversity for a full understanding of this process. Deaf communities form…

Across cultures, parents help their children master the social and linguistic codes needed in adult life. Recent research on language socialization found important cross-cultural differences, pointing out the need for more diversity for a full understanding of this process.

My PhD thesis investigates the ecological significance of resistance against drought-induced air bubble formation inside the water conduits of plants (embolism), and the plasticity and functional aspects of stem anatomical traits in woody and herbaceous species.

In this course, you will explore the organs involved in our food digestion and discover the common causes of abdominal and pelvic pain. The latest graphics and animations will give you new insights and understandings of this part of the body.

Since 2012, thousands of individuals have traveled from Western countries to join jihadist groups in Syria and Iraq. While much has been written about these individuals, only sparse attention has been paid to the social environment of these jihadist travelers and, more specific, the role of family members…

The family and friends of staff who work at many of the larger University faculties or departments are welcome to come and take a look behind the scenes on Family and Friends Day.

Social anxiety runs in families, but the neurobiology underlying this genetic vulnerability is until now largely unknown. The unique Leiden Family Lab study on Social Anxiety Disorder (LFLSAD) aims to broaden our knowledge with respect to this genetic susceptibility.

On Sunday 8 October 2023 the Faculty of Science of Leiden University opened its doors to everyone who is curious to explore the world of science. More than 750 people took a look behind the scenes, watched exciting demonstrations, stepped into the shoes of a scientist at numerous workshops and got to…

The Women of Ramesside Deir al-Medina

The changing status of anatomical collections from the early modern period to date.

This thesis examines the link between simple molecules and the underlying structure and chemistry within protoplanetary disks - the birthplaces of planets.

The present investigation aims at exploring whether the instruction provided at secondary schools in the capital meets the requirements of Communicative Language Teaching and whether the aims of improving learners’ communicative proficiency are met.

Leiden University and the Dutch Royal Family maintain ties that go back to 1575, when William of Orange founded the University. Many members of the Royal Family have studied in Leiden and several have received an honorary doctorate.

The ultimate aim of the project is to find out whether there are such things as

Like any language, the natural sign languages (henceforth: SLs) of deaf communities differ from each other in their grammars and lexicons. A growing number of studies indicates that SLs make use of the gestures of hearing speakers to build linguistic structure. This implies that variation and similarities…

How do speakers adapt to multilingual contexts?

This project explores how Muslim authorities and writers use Russian to transmit Islamic contents, and whether this leads to a specific

This collaborative research group (CRG) facilitates the synergies of researchers engaged with African languages and documentation of texts conducted in East Africa, paying particular attention to ‘endangered archives’ and ‘endangered languages’.

The Forensic Family and Youth Care Studies research group conducts innovative high-quality research aiming to gain knowledge about deviant developmental trajectories of vulnerable children, adolescents, and families, about how to prevent problematic development and how to intervene when necessary.

A linguistic prehistory of the Tarim Basin in Northwest China

On Wednesday 11 June 2025 Steffie van Gompel successfully defended a doctoral thesis and graduated.

The program group Forensic Family and Youth Care Studies of the Institute of Education and Child Studies deals with the developmental processes of vulnerable children, young people and families.

What are the rights of migrants in Morocco and how do this receiving state and migrants deal with them in practice?

The key question addressed in this family study is whether the psychophysiological and neurocognitive abnormalities often reported in SAD patients are heritable and can thus be found in family members of SAD patients as well. Determination of heritability of these deficiencies is essential for endophenotyping.…

What is the role of neuronal emotional reactivity in the intergenerational transmission of abuse?

When it comes to languages and cultures, Leiden University is the university. The global expertise present places our university at the top. In Leiden and The Hague, we study languages and cultures from all regions of the world and from prehistory to the present day. In this way we create a broad view…

The central question in this book is whether there is a human right to family unification.

Promotor: Prof.dr. J. Kuiper, Co-promotor: Saskia C.A. de Jager

The program group Forensic Family and Youth Care Studies is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

How does Russia use propaganda and what characterises Russian propaganda in terms of language and argumentation?

To what extent do aspects of fluency fluctuate throughout time? And how do raters take the dynamicity of fluency into account when rating performances?

Parents may pass anxiety onto their offspring by exposing them to anxious behaviors in novel situations. Just as the parents’ anxious signals lead to anxiety, parents’ confident signals can ward off anxiety in the offspring. This project is seeking a new way to break anxiety transmission in the family…

Traditional hypothesis testing requires researchers to set a fixed sample size in advance. After collecting data, the test determines whether to reject the null hypothesis.

In the specialisation in Modern Languages you will explore the structure, acquisition, history and use of one or more of these five languages in depth: Chinese, English, French, German and/or Italian.

On the 17th of January, Sarah Von Grebmer Zu Wolfsthurn successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Sarah on this achievement!

From the smallest level of interaction among families and close friends, over the meso-level of schools, shops, churches, religious communities and companies, to the highest level of nation-states and international organisations: Language Policy and Planning (LPP) is everywhere!

Language connects us! We are here to help you! The Academic Language Centre (ATC) is the language centre of Leiden University. As the oldest university language centre in the Netherlands, we offer language courses in a wide range of languages, both for beginners and advanced students. All courses are…

Studying one another’s languages and cultures fosters understanding between groups of people, which leads to more equality, along with increased economic, administrative, and cultural cooperation.

French Language and Linguistics at Leiden University offers a wide array of courses covering theoretical and applied linguistics, including language acquisition, syntax, and semantics.

English Language and Linguistics at Leiden University focuses on English language usage and linguistics around the world, including in countries where English is spoken as a second language or as part of a mixed language.

Like any language, the natural sign languages of deaf communities differ from each other in their grammars and lexicons. A growing number of studies indicates that sign languages make use of the gestures of hearing speakers to build linguistic structure. This implies that variation and similarities…