Related Experiment Video
Updated: Aug 10, 2026
08:17
Inducing Complete Polyp Regeneration from the Aboral Physa of the Starlet Sea Anemone Nematostella vectensis
Published on: January 14, 2017
Umbilical polyps
M Larralde de Luna1, V Cicioni, A Herrera
1Section of Pediatric Dermatology, Hospital Ramos Mejía, Argentina.
Pediatric Dermatology
|December 1, 1987
Summary
Umbilical polyps, resulting from incomplete omphalomesenteric duct closure, can indicate underlying embryologic anomalies. Detailed study of each case is crucial for accurate diagnosis and management.
Area of Science:
- Pediatric Surgery
- Developmental Biology
- Clinical Medicine
Background:
- Umbilical polyps are rare congenital anomalies.
- They arise from incomplete closure of the omphalomesenteric duct after birth.
- Diagnosis typically occurs after umbilical cord detachment.
Observation:
- Three pediatric cases of umbilical polyps are presented, with ages 5 years, 3 years, and 4 days.
- One case involved a concurrent umbilical enteric fistula.
- Umbilical polyps are small, reddish, and typically asymptomatic.
Findings:
- The study highlights the association between umbilical polyps and embryologic abnormalities.
- An umbilical enteric fistula was observed in a neonate with an umbilical polyp.
- The findings underscore the need for thorough evaluation of umbilical polyps.
Implications:
- Early identification and detailed investigation of umbilical polyps are essential.
- This can help exclude serious underlying conditions like Meckel's diverticulum.
- Comprehensive assessment ensures appropriate management of pediatric umbilical anomalies.
Related Concept Videos
01:20Embryonic Connective Tissues
During early development, the embryo forms two types of connective tissues— the mesenchyme and mucoid connective tissue.
The mesenchyme is the first connective tissue that emerges in the developing embryo. It consists of loosely arranged multipotent mesenchymal cells and reticular fibers in the extracellular matrix. This loose arrangement allows easy migration of cells, which is essential for germ layer positioning, patterning, and organ morphogenesis during embryonic development. Mesenchyme is...
The mesenchyme is the first connective tissue that emerges in the developing embryo. It consists of loosely arranged multipotent mesenchymal cells and reticular fibers in the extracellular matrix. This loose arrangement allows easy migration of cells, which is essential for germ layer positioning, patterning, and organ morphogenesis during embryonic development. Mesenchyme is...
01:19Abdominal Regions and Quadrants
To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four quadrants...
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four quadrants...
01:16Uterine Tubes
The uterine or fallopian tubes function as the conduit through which oocytes travel from the ovaries to the uterus. Each fallopian tube measures approximately 10 to 13 cm long and is anatomically divided into the infundibulum, ampulla, isthmus, and interstitial part (or intramural segment). The infundibulum is characterized by its funnel shape and features extensions called fimbriae which reach towards the peritoneal cavity. These fimbriae play a critical role during ovulation as they extend...
01:27Diversity of Protists III
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
01:27Diversity of Protists IV
Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
01:19Appendicitis
Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...