Respiratory System

Alveolus; Alveoli

Any tiny saclike structure especially the tiny air sacs of the lungs where the exchange of oxygen and carbon dioxide take place

Anosmia

Absence of the sense of smell. It may be temporary or permanent.

Apnea

State of not breathing; A rest of respiration.

Asphyxia

Condition in which insufficient or no oxygen reaches the tissues thereby threatening life of organism

Auscultation

Active listening to body sounds, including those the heart, lungs and abdomen as an aide to diagnosis

Bronchioles

A small branch in the bronchial system leading towards and ending in the Alveoli of the lung

Bronchus; Bronchi

One of the two large channels that lead from the trachea to smaller branches and ultimately to the alveoli

Croup

Disease of infants and young children, characterized by harsh coughing, hoarseness, fever and difficulty in breathing usually due to viral infection

Cyanosis

Bluish discoloration of the skin and mucus membranes occurring when the oxygen is sharply diminished.

Diaphragm

Muscular partition that divides the chest from the abdomen and functions in respiration, moving downward during inspiration to increase the volume of the thoracic cavity and moving upward during expiration to decrease volume

Dysphonia

Difficulty in speaking due to impairment of the voice

Dyspnea

Shortness of breath or labored, difficulty breathing

Epistaxis

Bleeding from the nose

Exudate

the oozing of fluids and cellular matter from blood vessels or cells through small pores or breaks in the cell membrane

Expectoration

to eject matter from the throat of lungs by coughing or hawking

Expiration

exhalation of breath

Hemoptysis

act of coughing up blood or blood stained mucus

Hemothorax

type of pleural effusion in which blood accumulates in pleural cavity

Hypercapnia

excessive carbon dioxide collects in blood stream

Hyperpnea

Increased depth and rate of breathing

Hypoxia

absence of enough oxygen in blood to sustain bodily functions

Inspiration

the drawing in of breath; inhaling

Larynx

hollow muscular organ forming an air passage to the lungs and holding the vocal chords in organism

Phrenic Nerve

one of a pair of nerves, arising from the cervical spinal roots and passing down the thorax to innervate the diaphragm and help control movements during breathing

Pleura

a buildup of fluid between that line the lungs and chest

Pneumothorax

collection of free air in chest cavity that causes a lung to collapse

Purulent

producing pus

Rale

abnormal rattling sound heard when examining unhealthy lungs

Respiration

process in which living organisms involving energy, typically with the intake of oxygen and release of carbon dioxide

Rhinorrhea

Condition where the nasal cavity if filled with a significant amount of mucus fluid

Rhonchus

Whistling or snoring sound heard on auscultation of chest when the air channels are obstructed

Tachypnea

Breathing that is abnormally rapid and often shallow

Stridor

Harsh vibrating noise when breathing

Wheeze

High pitches whistling sound made while breathing

Bradypnea

Abnormally slow breathing