Related Experiment Video
Updated: Jul 22, 2026
07:53
In vitro Electroporation of the Lower Rhombic Lip of Midgestation Mouse Embryos
Published on: August 3, 2012
The rhombic lip and early cerebellar development
1MRC Centre for Developmental Neurobiology, King's College London, 4th floor New Hunt's House, Guy's Campus, London SE1 1UL, UK. richard.wingate@kcl.ac.uk
Current Opinion in Neurobiology
|February 17, 2001
Summary
The embryonic rhombic lip
Area of Science:
- Neurodevelopmental biology
- Developmental neuroscience
- Embryology
Background:
- The embryonic rhombic lip is crucial for forming specific brain structures.
- Its developmental mechanisms were not fully understood.
- Recent research has shed light on its patterning and derivatives.
Purpose of the Study:
- To elucidate the inductive cues and guidance molecules involved in rhombic lip development.
- To understand the regional origins and migratory pathways of rhombic lip derivatives.
- To explore the role of the rhombic lip in generating neural systems.
Main Methods:
- Analysis of embryonic development.
- Identification of signaling pathways.
- Tracing cell migration patterns.
Main Results:
- Specific anteroposterior and dorsalizing cues pattern cerebellar development.
- Netrin guides the migration of hindbrain rhombic lip derivatives to form precerebellar nuclei.
- The rhombic lip acts as a distinct epithelium with late developmental and evolutionary appearance.
Conclusions:
- The rhombic lip is a key signaling center in embryonic brain development.
- Its unique spatiotemporal characteristics are vital for constructing complex neural systems.
- Understanding rhombic lip development provides insights into neurodevelopmental disorders.
Related Concept Videos
01:30Neurulation
Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the anterior...
01:26Cerebrum: Anatomical Overview I
The main and largest component of the human brain is the cerebrum. The cerebrum consists of two main parts: the cerebral cortex, an outer layer with wrinkles or folds known as gyri and shallow grooves called sulci, and a deeper region beneath it. The cerebrum divides into two distinct hemispheres and contains five different lobes: the frontal, parietal, temporal, occipital, and insula. The central sulcus separates the frontal and parietal lobes and two functionally important gyri — the...
01:11Cerebrum: Anatomical Overview II
Each cerebral hemisphere can be divided into three main regions. The outermost region, the cerebral cortex, is a thin layer (2 to 4 millimeters thick) made up of gray matter, consisting of neuron cell bodies, dendrites, glial cells, and blood vessels. The middle region, or white matter, is primarily composed of myelinated nerve fibers organized into three types of large tracts: association fibers, commissures, and projection fibers. Association fibers connect different areas within the same...
01:17Cerebellum: Anatomical Regions
The cerebellum, also known as the "little brain," is located in the posterior cranial fossa, inferior to the tentorium cerebelli and dorsal to the brainstem. It plays a significant role in motor control, coordination, and proprioception.
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...
01:15Functional Brain Systems: Limbic System
The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
01:14Role of Cerebellum and Prefrontal Cortex in Memory
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the cerebellum's...