Related Experiment Video

Updated: Aug 30, 2026

Method of Studying Palatal Fusion using Static Organ Culture
04:58

Method of Studying Palatal Fusion using Static Organ Culture

Published on: September 19, 2015

Development of the orohypopharyngeal cavity in normal infants and young children

N Rommel1, E Bellon, R Hermans

  • 1Department of Ear-Nose-Throat, Head, and Neck Surgery, Leuven University Center for Informatics and Telematics, LUDIT, Belgium. nathalierommel@hotmail.com

The Cleft Palate-Craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association
|October 28, 2003
PubMed

Insights

Oropharyngeal and hypopharyngeal lengths in children increase linearly with age and height. These findings provide crucial reference data for developing manofluoroscopy techniques to study infant swallowing.

Area of Science:

  • Pediatric anatomy
  • Otolaryngology
  • Medical imaging

Background:

  • Understanding pharyngeal cavity growth is essential for pediatric diagnostics.
  • Previous studies have not established detailed growth parameters for the oropharynx and hypopharynx in early childhood.

Purpose of the Study:

  • To measure and establish normative growth data for the oropharynx and hypopharynx in infants and young children.
  • To provide reference measurements for developing manofluoroscopy for pediatric deglutition studies.

Main Methods:

  • Prospective study of 23 healthy children aged 0-4 years.
  • Lateral videofluoroscopy used to assess pharyngeal structures during breathing.
  • Digital image analysis with a specialized computer program.

Main Results:

  • Statistically significant linear correlations found between age/height and pharyngeal segment lengths.
  • Oropharyngeal and hypopharyngeal lengths increase with age and height.
  • No significant gender-based differences in pharyngeal dimensions were observed.

Conclusions:

  • Established linear regression models can define pharyngeal segment lengths up to age 4.
  • Normative data support the development of manofluoroscopy for infant swallowing assessment.
  • Results provide a basis for understanding normal pediatric pharyngeal development.
Abstract

More Related Videos

Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing14:13

Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing

Published on: May 6, 2014

Ex Vivo Culture of Pharyngeal Arches to Study Heart and Muscle Progenitors and Their Niche07:04

Ex Vivo Culture of Pharyngeal Arches to Study Heart and Muscle Progenitors and Their Niche

Published on: July 20, 2015

Related Concept Videos

Pharynx01:20

Pharynx

The pharynx, a tubular structure framed by skeletal muscle and lined with mucous membrane, extends continuously from the nasal cavities. It is segmented into three major areas: the nasopharynx, oropharynx, and laryngopharynx.
Nasopharynx
The nasopharynx, bordered by the conchae of the nasal cavity, serves exclusively as an air conduit. In its superior region, the pharyngeal tonsils or adenoids are located. These tonsils are clusters of lymphoid reticular tissue akin to a lymph node. The precise...
The Hyoid Bone01:12

The Hyoid Bone

The hyoid bone is a small U-shaped bone located in the upper neck at the level of the inferior mandible, with its tips pointing posteriorly. It does not directly articulate with any other bone in the body. The hyoid acts as the attachment site for the tongue, the larynx, and the pharynx. It is held in position by a series of small muscles attached from above or below. These muscles help to move the hyoid up/down or forward/back in coordination with movements of the tongue, larynx, and pharynx...
Oral Cavity01:11

Oral Cavity

The oral cavity, or the mouth, is a complex structure in humans that plays a vital role in our day-to-day lives. Its role is not only in chewing and swallowing food; it also plays a role in speech and facial expressions.
Teeth: The teeth are the hardest structures in our bodies. Humans have two sets of teeth throughout their lifetime: deciduous (baby) teeth and permanent teeth. Each tooth consists of several parts: the crown (visible part), the root (embedded in the jaw), enamel (hard outer...
Suctioning the Oropharyngeal Airway01:25

Suctioning the Oropharyngeal Airway

In preparing for oropharyngeal airway suctioning, a nurse must gather all necessary equipment, including a suction unit with tubing, a prepackaged suction kit, sterile gloves, water or saline for irrigation, a water-soluble lubricant, and additional personal protective equipment (such as a gown, mask, and goggles) to control infections.
After assembling the equipment, the nurse should practice hand hygiene and don appropriate PPE according to infection control guidelines to avoid the...
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract.
Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...