Pharynx intro
Share your inquiries now with community members
Click Here
Sign up Now
Lessons List | 40
Lesson
Show More
Lessons
Comments
Our New Certified Courses Will Reach You in Our Telegram Channel
Join Our Telegram Channels to Get Best Free Courses
Join Now
We Appreciate Your Feedback
Be the First One Review This Course
0 Reviews
Related Courses in Medical
Course Description
pharynx, (Greek: “throat”) cone-shaped passageway leading from the oral and nasal cavities in the head to the esophagus and larynx. The pharynx chamber serves both respiratory and digestive functions. Thick fibres of muscle and connective tissue attach the pharynx to the base of the skull and surrounding structures. Both circular and longitudinal muscles occur in the walls of the pharynx; the circular muscles form constrictions that help push food to the esophagus and prevent air from being swallowed, while the longitudinal fibres lift the walls of the pharynx during swallowing.
The pharynx consists of three main divisions. The anterior portion is the nasal pharynx, the back section of the nasal cavity. The nasal pharynx connects to the second region, the oral pharynx, by means of a passage called an isthmus. The oral pharynx begins at the back of the mouth cavity and continues down the throat to the epiglottis, a flap of tissue that covers the air passage to the lungs and that channels food to the esophagus. Triangular-shaped recesses in the walls of this region house the palatine tonsils, two masses of lymphatic tissue prone to infection. The isthmus connecting the oral and nasal regions is extremely beneficial in humans. It allows them to breathe through either the nose or the mouth and, when medically necessary, allows food to be passed to the esophagus by nasal tubes. The third region is the laryngeal pharynx, which begins at the epiglottis and leads down to the esophagus. Its function is to regulate the passage of air to the lungs and food to the esophagus.
Two small tubes (eustachian tubes) connect the middle ears to the pharynx and allow air pressure on the eardrum to be equalized. Head colds sometimes inflame the tubes, causing earaches and hearing difficulties. Other medical afflictions associated with the pharynx include tonsillitis, cancer, and various types of throat paralyses caused by polio, diphtheria, rabies, or nervous-system injuries.
Trends
Video editing with adobe premiere
Create a website with wordPress for beginners
MS Excel
English greetings and responses
Learning English Speaking
Mobile Apps from Scratch
Python programming language
Digital Marketing
Data Science with Python conditions
Influencer marketing strategies for beginners
Artificial Intelligence For Beginners
AUTOMATA THEORY
Business Law fundamentals
Computer Science and Cybersecurity
CMOS Circuit in VLSI
Control Systems CS
Improve english grammar skills
Complete WIFI Hacking Course Beginner to Advanced
Graphic design rules for beginners
Human Psychology
Recent
Create Compound Journal entries in excel
Create a Change Log in excel
Excel for bulk whatsApp messaging and image
Create Excel application to track Purchases
Create excel One click dashboard
Building a vehicle expense tracker in excel
Create excel expense tracker with mobile
Excel time and activity tracking
Basic VBA for excel beginners
Excel userForm for contact
Designing a weekly schedule in excel
Create excel work order application
Create time and activity tracker in excel
Create a contact manager in excel
Excel for office equipment and inventory
Create construction estimator In excel
Merge PDF documents using excel
Scraping website data into excel
Creating a scheduling calendar in excel
Excel Workbooks with Free Add Ins