Developmental Biology
Developmental Biology
11th Edition
ISBN: 9781605354705
Author: Scott F. Gilbert, Michael J. F. Barresi
Publisher: Sinauer Associates is an imprint of Oxford University Press
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Chapter 20, Problem 2DQ
Summary Introduction

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The cause for the pyloric stenosis that is a major human birth defect, in which the muscles of the pyloric sphinchter thicken and prevent the entry of food into the intestine. Also explain the origin and function of related muscle.

Introduction:

Pyloric stenosis is a common condition in neonates which is mainly chracterized by a narrowing of the opening from the stomach to the small intestine. The main symptoms of this disorder are projectile vomiting, without the presence of the bile. The major age group is two to twelve weeks old. Pyloric stenosis is considered as multifactorial, involving both environmental and genetic components. The affected muscle is pylorus, which is a cone shaped constriction present in gastrointestinal tract.

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