"Postsynaptic" Pronounce,Meaning And Examples

"Postsynaptic" Natural Recordings by Native Speakers

Postsynaptic

"Postsynaptic" Meaning

Postsynaptic refers to the part of a neuron that is located on the receiving side of a synapse (a junction between two neurons or between a neuron and a muscle or gland cell). It is the axon terminal of the sending neuron where neurotransmitters are released, and it receives the neurotransmitters released by the presynaptic neuron.

"Postsynaptic" Examples

1. Neuroscience Context

The postsynaptic neuron receives chemical signals from the presynaptic neuron through the postsynaptic neuron's dendrites, which are located near the postsynaptic membrane.

2. Psychology Context

Understanding the postsynaptic potential is crucial in learning about neurotransmission in the human brain and the understanding of cognitive functions.

3. Pharmacology Context

Researchers are currently studying the different effects of drugs on both presynaptic and postsynaptic receptors, which play key roles in the therapeutic properties of many medications.

4. Education Context

In understanding cognitivism, postsynaptic neurons play a key part in learning new information and are involved in cognitive development across the lifespan.

5. Biological Perspective

Photosynthesis in plants involves the capture of light energy in the light-harvesting complexes bound to the thylakoids, which is like the postsynaptic neuron's absorption of a neurotransmitter.

"Postsynaptic" Similar Words

Postscripted

A note or message added at the end of a document.

Postscriptum

A Latin term used to indicate something added at the end of a letter or document, often personal or supplementary information, after the main content has been concluded. Example: "Dear John, ... PS (Postscriptum) - Don't forget to bring your umbrella tomorrow it might rain." In a more literary sense, postscriptum can be used in poetry or fiction to convey an afterthought or a hidden message.

Postsecondary

Referring to education or training that occurs after secondary education, typically at a college, university, or vocational school. It applies to students who have completed high school but have not yet started their careers.

Postspermatogonial

Postspermatogonial cells are the cells that remain in the base of the hair follicle after the hair growth cycle ends. They're reserve cells that can give rise to new hair follicles, helping to replace those that have finished their growth cycle and are ready to fall out.

Poststructuralism

Poststructuralism is an intellectual movement that emerged in the mid-20th century, particularly in the 1960s and 1970s, in France and other Western countries. It grew out of the work of philosophers, critics, and literary theorists who were dissatisfied with the theoretical frameworks of structuralism. According to poststructuralists, traditional notions of meaning, truth, and representation are perceived as fluid and challenged by power dynamics, language, and social context. Key ideas in poststructuralism include: 1. Challenging universal truths: Poststructuralists argue that universal truths or essentialized concepts are constructed, and that objective truth is a myth. Instead, meaning is fragmented, context-dependent, and subject to interpretation. 2. Language as an act of interpretation: Language, as the media of meaning, is seen as a creative act rather than a reflection of an objective reality. This leads to multiple readings of texts or events, where each interpretation contests or reinforces the others. 3. Loss of a centered self: Poststructuralists question the idea of a fixed, coherent self. Instead, they propose that the self is decentered, continuous, and an effect of discourse. 4. Overturning grand narratives: Poststructuralists reject broad, general storytelling (such as Marxism, liberalism, or Christianity) that creates a unified history and purpose. Instead, they advocate for multiple narratives that highlight the complexities and inequalities of power. Key thinkers associated with poststructuralism include: - Jacques Derrida (known for deconstruction) - Michel Foucault (genealogy and power dynamics) - Jean Baudrillard (parasiting the social sciences and the theory of simulations and hyperreality) - Jacques Lacan (psychoanalysis and the mirror stage) - Jean-François Lyotard (postmodernity and the criticism of metanarratives) Poststructuralism has significantly influenced various disciplines, including literature, philosophy, and the social sciences. It has triggered lively debates and resistance but continues to shape contemporary thought and sociocultural analysis.

Poststructuralist

A term used to describe a critical approach in various fields like philosophy, sociology, cultural studies, and literary theory. Poststructuralism argues that meaning is not fixed or stable, and that language and culture are fluid and constantly in flux. Key features of poststructuralism include: 1. Challenging traditional notions of meaning: Poststructuralists reject the idea that meaning is fixed, objective, and stable. Instead, they argue that meaning is created through multiple and conflicting interpretations. 2. Diversification of knowledge: Poststructuralists emphasize the importance of multiple perspectives and the diversity of knowledge. They argue that truth is not absolute, but rather a product of complex power dynamics and social contexts. 3. Challenge to grand narratives: Poststructuralists critique the idea of grand narratives, or overarching explanations that claim to explain everything, such as Marxism or Enlightenment rationalism. 4. Focus on difference and diversity: Poststructuralists emphasize the importance of acknowledging and valuing differences, rather than trying to assimilate or exclude them. 5. Questioning authority and power: Poststructuralists challenge traditional structures of authority and power, arguing that knowledge is shaped by dominant groups and interests. Key thinkers associated with poststructuralism include: Jacques Derrida (French philosopher and literary critic) Michel Foucault (French philosopher and historian) Jean Baudrillard (French philosopher and sociologist) Gilles Deleuze (French philosopher) Julia Kristeva (Bulgarian-French philosopher and literary theorist)

Poststructuralists

Poststructuralists are a group of scholars and thinkers who emerged in the mid-20th century, primarily in Europe and North America. They criticized and expanded upon the structuralism movement, which was primarily focused on the study of the underlying structures of language and culture. Poststructuralists aimed to destabilize and question the dominant power structures, including language, knowledge, and societal norms. They argued that these structures were not fixed or essential, but rather were subject to historical, cultural, and political constructions. Key ideas associated with poststructuralism include: 1. Rejection of grand narratives: Poststructuralists challenged the idea of universal, overarching narratives that explain everything. They argued that knowledge is fragmented and incomplete, and that narratives are always provisional and context-dependent. 2. Deconstruction: This involves critically examining the underlying assumptions and power dynamics behind a text or structure. Poststructuralists used deconstruction to uncover the biases and contradictions in dominant narratives. 3. Language as a social construct: Poststructuralists saw language as a social and cultural construct, which is shaped by power relationships and historical context. They argued that language is not a neutral or autonomous entity, but rather a tool used to reinforce social dominance. 4. Fragmentation and diversity: Poststructuralists celebrated diversity and fragmentation, arguing that knowledge and identities are multiple, complex, and context-dependent. They emphasized the importance of multiple narratives and perspectives. Key figures associated with poststructuralism include: 1. Jacques Derrida (France) 2. Michel Foucault (France) 3. Gilles Deleuze (France) 4. Jean Baudrillard (France) 5. Jean-François Lyotard (France) 6. Judith Butler (USA) 7. Walter Benjamin (Germany) Poststructuralism has had a significant impact on various fields, including: 1. Literary theory: Poststructuralism has influenced literary analysis, emphasizing the instability and complexity of texts. 2. Philosophy: Poststructuralism has challenged traditional notions of knowledge, reality, and truth. 3. Cultural studies: Poststructuralism has highlighted the importance of power relationships and cultural critique. 4. Social sciences: Poststructuralism has influenced research in sociology, anthropology, and history, emphasizing the importance of context and interpretation. In summary, poststructuralism is a broad intellectual movement that seeks to challenge dominant narratives, power structures, and knowledge claims, emphasizing the importance of diversity, complexity, and fragmentary understandings.

Postsurgical

Relating to a surgical operation or its aftermath.

Posttranscriptional

Posttranscriptional refers to a stage of gene expression that occurs after transcription, i.e., after the DNA has been transcribed into RNA. At this stage, the RNA molecule undergoes various modifications, such as splicing, editing, and translation initiation, before it is finally translated into a protein. In more detail, posttranscriptional processes include: 1. Splicing: the removal of introns (non-coding regions) and the joining of exons (coding regions) in a single RNA molecule. 2. Editing: the correction of errors or the modification of specific nucleotides in the RNA molecule. 3. Transport: the movement of RNA molecules from the nucleus to the cytoplasm, where translation occurs. 4. Regulation: the control of RNA stability, localization, and translation through various mechanisms, such as microRNAs, siRNAs, and other regulatory RNAs. These posttranscriptional modifications can significantly affect the final amino acid sequence of the protein and the overall function of the gene.

Posttranslational

The term "posttranslational" refers to modifications that occur to proteins after they have been synthesized by the cell, or produced by a gene. In other words, posttranslational modifications take place after the translation of messenger RNA (mRNA) into protein. In molecular biology, posttranslational modifications are changes that proteins undergo to become active or functional. These modifications can affect the structure, function, location, and stability of a protein. Some common types of posttranslational modifications include: 1. Phosphorylation: the addition of a phosphate group to a protein 2. Ubiquitination: the attachment of ubiquitin proteins to a target protein 3. Glycosylation: the addition of carbohydrates to a protein 4. Lipidation: the addition of lipid groups to a protein 5. Acetylation: the addition of an acetyl group to a protein 6. Sulfuration: the addition of a sulfur-containing group to a protein Posttranslational modifications occur in various stages of protein processing, including: 1. Protein folding: the 3D structure of a protein takes shape 2. Protein cleavage: proteins may be cut to remove signal peptides or other unwanted regions 3. Protein modification: additions such as sugars, lipids, or phosphates are attached to a protein These modifications play critical roles in protein function, stability, and degradation, and are essential for many cellular processes, including signal transduction, cell signaling, and immune response.

Posttraumatic

Referring to a condition that occurs after a traumatic event, often leading to emotional or psychological difficulties, such as post-traumatic stress disorder (PTSD).

Postulant

A person asking for something, especially a spiritual favor or a job; a candidate or applicant, especially for a religious order or a vacancy in a higher education institution.

Postulants

Candidates seeking to be elected or appointed to a position or office, often in a formal or official capacity.

Postulate

To put forward or assume something as a fact or basis for reasoning, often as a hypothesis or theory, especially in a formal or scientific context. For example: "The scientist postulated that the new technology would lead to a significant improvement in efficiency." In other words, a postulate is a statement that is accepted as true and assumed to be a starting point for further investigation or argument.

Postulated

Formulated or put forward as a hypothesis or theory, often in a tentative or provisional way. Example: "The new research has postulated a link between the two medical conditions." In other words, "postulated" means to propose or suggest an idea or theory, often based on limited or preliminary evidence.

Postulates

Noun 1. A statement or proposition put forward as a basis for thought or reasoning, especially in mathematics or philosophy; an assumption or hypothesis. Example: "The theory is based on the postulate that gravity is a fundamental force of nature."