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Thoracic Cavity and Respiratory Part 1 by Moore
Anatomy
113
Medical
Graduate
09/15/2017

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Term
THORACIC CAVITY
Definition
Transversely sectioned-Kidney shaped (oval)
Term
RIGHT AND LEFT PULMONARY COMPARTMENTS
Definition
Bilateral Compartments.
Term
RIGHT AND LEFT PULMONARY COMPARTMENTS
Definition
It contains the LUNGS & PLEURAE
Term
RIGHT AND LEFT PULMONARY COMPARTMENTS
Definition
It occupies the MAJORITY OF THE THORACIC CAVITY.
Term
CENTRAL MEDIASTINUM
Definition
INTERVENING & COMPLETELY SEPARATES THE TWO PULMONARY CAVITIES
Term
CENTRAL MEDIASTINUM
Definition
It extends VERTICALLY from the SUPERIOR THORACIC APERTURE to the DIAPHRAGM
Term
CENTRAL MEDIASTINUM- ANTEROPOSTERIORLY
Definition
From the STERNUM to the THORACIC VERTEBRAL BODIES
Term
PULMONARY CAVITY (Right & Left)
Definition
It is LINED BY PLEURAL MEMBRANES
Term
PULMONARY CAVITY (Right & Left)
Definition
It reflects onto and cover the EXTERNAL SURFACE OF THE LUNGS contained WITHIN CAVITIES.
Term
EMBRYONIC PERIOD
Definition
Developing lungs invaginate(grow into) PERICARDIO PERITONIAL CANAL-> precursor of PLEURAL CAVITIES.
Term
LUBRICANT
Definition
Capillary layer of SEROUS PLEURAL FLUID
Term
SURFACE TENSION
Definition
It provides the cohesion that keeps the lungs surface in contact with the THORACIC WALL.
Term
VISCERAL PLEURA(Pulmonary Pleura)
Definition
It closely COVERS THE LUNG & is ADHERENT to all its surfaces.
Term
VISCERAL PLEURA(Pulmonary Pleura)
Definition
It is CONTINUES with the PARIETAL PLEURA at the HILUM OF THE LUNG, where structures making up the ROOT OF THE LUNG(e.g. bronchus & pulmonary vessels) ENTER & LEAVE.
Term
VISCERAL PLEURA(Pulmonary Pleura)
Definition
It is INVERTED & ENCLOSED in a SEROUS PLEURAL SAC.
Term
VISCERAL PLEURA(Pulmonary Pleura)
Definition
It provides a smooth, slippery surface, moves freely on PARIETAL PLEURA.
Term
VISCERAL PLEURA(Pulmonary Pleura)
Definition
It CANNOT usually be DISSECTED from the SURFACE OF THE LUNG.
Term
VISCERAL PLEURA(Pulmonary Pleura)
Definition
INVEST ALL SURFACES OF THE LUNGS, forming shiny outer surface.
Term
PARIETAL PLEURA
Definition
It LINES THE PULMONARY CAVITIES.
Term
PLEURAL CAVITY
Definition
It is the POTENTIAL SPACE between the layers of the PLEURA.
Term
PARIETAL PLEURA
Definition
It is adherent to the vessel wall, mediastinum, & diaphragm.
Term
PARIETAL PLEURA
Definition
THICKER than VISCERAL PLEURA
Term
PARIETAL PLEURA
Definition
Can be SEPARATED during SURGERY & CADAVER DISSECTIONS; maybe separated from the surfaces it covers.
Term
PARIETAL PLEURA
Definition
It consist of COSTAL PLEURA, MEDIASTINAL PLEURA, DIAPHRAGMATIC PLEURA & CERVICAL PLEURA.
Term
COSTAL PLEURA
Definition
It is also called COSTOVERTEBRAL & COSTAL PART OF PARIETAL PLEURA
Term
COSTAL PLEURA
Definition
It covers the INTERNAL SURFACE of the THORACIC WALL
Term
COSTAL PLEURA
Definition
It is separated from the internal surface of the THORACIC WALL, STERNUM, RIBS & COSTAL CARTILAGE, INTERCOSTAL MUSCLES & MEMBRANES & SIDES OF THRORCIC VERTEBRAE by Endothorasic Fascia.
Term
ENDOTHRORACIC FASCIA
Definition
It is THIN, LOOSE EXTRAPLEURAL LAYER OF LOOSE CONNECTIVE TISSUE; forms a natural cleavage plane for SURGICAL SEPARATION of the COSTAL PLEURA from the THORACIC WALL.
Term
COSTAL PLEURA
Definition
Plane for separation forms the THORACIC WALL.
Term
MEDIASTINAL PLEURA
Definition
It covers the LATERAL ASPECT OF MEDIASTINUM, the partition of tissues & organs separating the PULMONARY CAVITIES & their PLEURAL SAC.
Term
MEDIASTINAL PLEURA
Definition
Continues SUPERIORLY into the ROOT OF THE NECK as CERVICAL PLEURA.
Term
MEDIASTINAL PLEURA
Definition
Continues with the COSTAL PLEURA- ANTERIORLY & POSTERIORLY and with the DIAPHRAGMATIC PLEURA->INFERIORLY.
Term
MEDIASTINAL PLEURA
Definition
SUPERIOR TO THE ROOT OF THE LUNG->continues SHEET->ANTEROPOSTERIORLY-> between the STERNUM & VERTEBRAL COLUMN.
Term
MEDIASTINAL PLEURA
Definition
At the HILUM OF THE LUNG, it reflects LATERALLY onto the structures making up the ROOT OF THE LUNG and is continuous with the VISCERAL PLEURA.
Term
DIAPHRAGMATIC PLEURA
Definition
Covers the SUPERIOR or THORACIC SURFACE OF THE DIAPHRAGM on each side of the MEDIASTINUM.
Term
CERVICAL PLEURA
Definition
Extends through the SUPERIOR THORACIC APERTURE into the ROOT OF THE NECK, "cup shaped" pleural dome over apex of the lung.
Term
MEDIASTINAL PLEURA
Definition
INFERIOR to the ROOT OF THE LUNG, the continuity between PARIETAL and VISCERAL PLEURA is an EMPTY DOUBLE LAYER OF PLEURA.
Term
PULMONARY LIGAMENT
Definition
Extending between the LUNG & MEDIASTINUM, immediately ANTERIOR to the ESOPHAGUS.
Term
DIAPHRAGMATIC PLEURA
Definition
Covers the SUPERIOR SURFACE of the DIAPHRAGM, EXCEPT along its COSTAL ATTACHMENTS.
Term
DIAPHRAGMATIC PLEURA
Definition
Where the DIAPHRAGM is fused to the PERICARDIUM(fibroserous membrane surrounding the heart)
Term
DIAPHRAGMATIC PLEURA
Definition
Contains the PHRENICULAR FASCIA
Term
PHRENICULAR FASCIA
Definition
A thin, more elastic layer of ENDOTHORACIC FASCIA, which CONNECT THE DIAPHRAGMATIC PLEURA with its MUSCULAR FIBERS.
Term
PULMONARY LIGAMENT
Definition
A PLEURAL FOLD surrounding structures ENTERING & LEAVING THE LUNG.
Term
CERVICAL PLEURA
Definition
Also called the "PLEURAL DOME", and "DOME OF CUPULA".
Term
CERVICAL PLEURA
Definition
It is a dome shaped cap of pleural sac and is the SUPEIOR CONTINUATION of the COSTAL & MEDIASTINAL PARTS of the PARIETAL TUBE.
Term
CERVICAL PLEURA
Definition
It covers the APEX OF THE LUNG that extends SUPERIORLY through the SUPERIOR THORACIC APERTURE into the ROOT OF THE NECK.
Term
CERVICAL PLEURA
Definition
Summit is 2-3cm SUPERIOR TO THE LEVEL OF THE MEDIAL THIRD OF THE CLAVICLE at the level of the NECK of the 1st rib.
Term
CERVICAL PLEURA
Definition
Extends SUPERIORLY->SUPERIOR THORACIC APERTURE-> into the ROOT OF THE NECK
Term
CERVICAL PLEURA
Definition
SUPERIOR Continuation->COSTAL & MEDIASTINAL PARTS OF THE PARIETAL TUBE
Term
DIAPHRAGMATIC PLEURA
Definition
Covers the SUPERIOR or THORACIC SURFACE OF THE DIAPHRAGM on each side of the MEDIASTINUM.
Term
CERVICAL PLEURA
Definition
It contains the SUPRAPLEURAL MEMBRANE(Sibson Fascia).
Term
SUPRAPLEURAL MEMBRANE(Sibson Fascia)
Definition
It is the fibrous extension of the ENDOTHORACIC FASCIA and REINFORCES THE CERVICAL PLEURA.
Term
SUPRAPLEURAL MEMBRANE(Sibson Fascia)
Definition
Attached to the INTERNAL BORDER of the 1st RIB and the TRANSVERSE PROCESS OF C7 vertebra.
Term
PLEURAL REFLECTION
Definition
It consist of the STERNAL LINE, COSTAL LINE, and VERTEBRAL LINE.
Term
STERNAL LINE
Definition
Pleural reflecction is SHARP, ABRUPT.
Term
STERNAL LINE
Definition
COSTAL PLEURA becomes continues with the MEDIASTINAL PLEURA *ANTERIORLY.
Term
COSTAL LINE
Definition
Pleural reflection is SHARP. COSTAL PLEURA continues with DIAPHRAGMATIC PLEURA *INFERIORLY.
Term
VERTEBRAL LINE
Definition
Pleural reflection is much ROUNDER, GRADUAL REFLECTION.
Term
VERTEBRAL LINE
Definition
COSTAL PLEURA becomes continues with the MEDIASTINAL PLEURA POSTERIORLY.
Term
MIDCLAVICULAR LINE(MCL) of the LUNGS
Definition
6th
Term
MIDCLAVICULAR LINE(MCL) of the PLEURA
Definition
8th
Term
MIDAXILLARY LINE(MAL) of the LUNGS
Definition
8th
Term
MIDAXILLARY LINE(MAL) of the PLEURA
Definition
10th
Term
PARAVERTEBRAL LINE(PVL) of the LUNGS
Definition
10th
Term
PARAVERTEBRAL LINE(PVL) of the PLEURA
Definition
12th
Term
STERNAL LINES
Definition
RIGHT & LEFT reflections passes INFEROMEDIALLY from the STERNOCLAVICULAR JOINTS to the ANTERIOR MIDSTERNAL LINE at the LEVEL OF THE STERNAL ANGLE.

Right & left sternal reflection ->Inferomedially->STERNOCLAVICULAR JOINTS ->AML-> LEVEL OF THE STERNAL ANGLE
Term
STERNAL LINES
Definition
Reflecitons on the RIGHT passes INFERIORLY in the MEDIAN PLANE to the POSTERIOR ASPECT of the XIPHOID PROCESS(6th COSTAL CARTILAGE).

Right->INFERIORLY->MEDIAN PLANE->POSTERIOR ASPECT of XIPHOID PROCESS(6th COSTAL CARTILAGE)
Term
STERNAL LINES
Definition
LEFT refleciton passes INFERIORLY in the MEDIAN PLANE *only* to the LEVEL of 4th COSTAL CARTILAGE LEFT MARGIN STERNUM continues INFERIORLY to the 6th COSTAL CARTILAGE.
Term
STERNAL LINES
Definition
FORMS A NOTCH and allows a PART OF THE PERICARDIUM to be in DIRECT CONTACT to the ANTERIOR THORACIC WALL.
Term
STERNAL LINES
Definition
Important for PERICARDIOCENTESIS
Term
COSTAL LINES
Definition
Its pleural reflection passes OBLIQUELY across the 8th RIB IN MCL, 10th RIB IN MAL and the 12th RIB AT ITS NECK or INFERIOR to it.

COSTAL LINE->OBLIQUELY->8thin MCL->10th in MAL->12th RIB at its NECK or INFERIOR to it.
Term
VERTEBRAL LINES
Definition
Parallel to the VERTEBRAL COLUMN, running in the PARAVERTEBRAL PLANE forming the VERETEBRAL LEVEL T1 through T12
Term
COSTODIAPHRAGMATIC RECESSES
Definition
Pleura-lined "gutters" or spaces which surround the UPWARD CONVEXITY of the DIAPHRAGM INSIDE THE THORACIC WALL.
Term
COSTOMEDIASTINAL RECESSES
Definition
Smaller pleural recesses locted POSTERIOR TO THE STERNUM where the COSTAL PLEURA is in contact with the MEDISTINAL PLEURA.
Term
COSTOMEDIASTINAL RECESSES
Definition
LEFT RECESS is LARGER because of the CARDIAC NOTCH in the LEFT LUNG.
Term
COSTOMEDIASTINAL RECESSES
Definition
The INFERIOR BORDER of the lungs move farther into the PLEURAL RECESSES during DEEP INSPIRATION and RETREAT from them during EXPIRATION.

Move in to the PLEURAL RECESSES->DEEP INSPIRATION
RETREAT->EXPIRATION
Term
TRUE
Definition
TRUE or FALSE
The lungs do NOT occupy the PULMONARY CAVITIES during EXPIRATION
Term
THORACENTESIS
Definition
Procedure to remove excess fluid from the pleural surface. Most easily don from the BACK where the pleural gutter is deepest and the neurovascular bundle is closer to the INFERIOR EDGE OF THE RIB.
Term
LUNGS
Definition
The ROOT OF THE LUNGS->the BRONCHI and VESSELS, PULMONARY ARTERIES, SUPERIOR and INFERIOR PV, PULMONARY PLEXUSES OF NERVES(sympathetic, parasympathetic, and visceral afferent fibers) and LYMPHATIC VESSELS
Term
LUNGS
Definition
Vital organs of respiration
Term
LUNGS
Definition
Main function is to OXYGENATE BLOOD BY BRINGING INSPIRED AIR INTO CLOSE RELATION WITH THE VENOUS BLOOD in the Pulmonary cavities.
Term
LUNGS
Definition
Elastic, and recoil approx ONE THIRD their size when CAVITY IS OPENED.
Term
LUNGS
Definition
It is separated by each other by MEDIASTINUM
Term
APEX
Definition
Blunt superior end of the lung ascending above the level of the 1st RIB INTO THE ROOT OF THE NECK, covered by CERVICAL PLEURA.
Term
PULMONARY ARTERY
Definition
SUPERMOST on LEFT(Superior lobar or "Epasterial" bronchus my be superior most on the the right)
Term
SUPERIOR & INFERIOR PULMONARY VEIN
Definition
ANTERIOR most and INFERIOR most respectively
Term
MAIN BRONCHUS
Definition
Against and approx in the middle of the POSTERIOR BOUNDARY with the BRONCHIAL VESSELS immediately surrounding on its outer surface.
Term
BASE
Definition
The CONCAVE INFERIOR surface of the lung, opposite the APEX, resting on & accomodating the IPSILATERAL DOME OF THE DIAPHRAGM.
Term
TWO or THREE LOBES
Definition
Created by ONE or TWO Fissures
Term
SURFACES (3)
Definition
COSTAL, MEDIASTINAL, DIAPHRAGMATIC
Term
BORDERS (3)
Definition
ANTERIOR,INFERIOR, POSTERIOR
Term
PLEURAL SLEEVE
Definition
MEDIAL to the HILUM the root enclosed within the area of continuity between the PARIETAL & VISCERAL layers of pleura.
Term
HILUM OF THE LUNG
Definition
Wedge-shaped area of the MEDIAL surface of each lung through which structures FORMING THE ROOT OF THE LUNG PASS TO ENTER or EXIT the lung.
Term
ANTERIOR BORDER of the RIGHT LUNG
Definition
The border that is straight
Term
ANTERIOR BORDER of the LEFT LUNG
Definition
Has a DEEP CARDIAC NOTCH(duration of the apex of the heart to the left side)
Term
NOTCh
Definition
Primarily INDENTS the ANTEROINFERIOR aspect of the SUPERIOR LOBE of the LEFT LUNG-indentation shapes the most ANTERIOR & INFERIOR PARTS.
Term
LINGULA
Definition
Creates a thin, tongue-like process of the SUPERIOR LOBE.
Term
RIGHT LUNG
Definition
It feautures the RIGHT OBLIQUE & HORIZONTAL FISSURES that divide into three(3) RIGHT LOBES; SUPERIOR, MIDDLE, INFERIOR
Term
LEFT LUNG
Definition
It consist of two (2) lobe the SUPERIOR & INFERIOR lobe.
Term
TRUE
Definition
TRUE or FALSE
The RIGHT LUNG is LARGER & HEAVIER than the LEFT, but SHORTER & WIDER because the right dome of the diaphragm is higher and the HEART & PERICARDIUM bulge more to the LEFT.
Term
LEFT LUNG
Definition
It has a SINGLE LEFT OBLIQUE FISSURE dividing into two(2) LEFT LOBES-SUPERIOR & INFERIOR.
Term
COSTAL SURFACE OF THE LUNG
Definition
SMOOTH & CONVEX and is related to the COSTAL PLEURA, separates it from the ribs, costal cartilages, and the innermost intercostal muscles.
Term
COSTAL SURFACE OF THE LUNG- *POSTERIOR PART
Definition
Is related to the BODIES OF THE THORACIC VERTEBRAE and referred to as the VERTEBRAL PART OF THE COSTAL SURFACE.
Term
MEDIASTINAL SURFACE OF THE LUNG
Definition
Is CONCAVE and related to the MIDDLE MEDIASTINUM, which contains the PERICARDIUM and HEART.
Term
MEDIASTINAL SURFACE OF THE LUNG
Definition
Includes the HILUM & RECEIVES THE ROOT OF THE LUNG, which the pleura forms the pleural sleeve.
Term
PULMONARY LIGAMENT
Definition
Hangs INFERIORLY from the sleeve among the root.
Term
DIAPHRAGMATIC SURFACE OF THE LUNG
Definition
CONCAVE, forms the BASE OF THE LUNG, rests on the dome of the DIAPHRAGM.
Term
DIAPHRAGMATIC SURFACE OF THE LUNG
Definition
LATERALLY and POSTERIORLY, the DIAPHRAGMATIC SURFACE is bounded by a thin, sharp, margin(inferior border) that projects into the COSTO-DIAPHRAGMATIC RECESS OF THE PLEURA.
Term
DIAPHRAGMATIC SURFACE OF THE LUNG
Definition
Concavity is deeper in the right lung because of the higher position of the right diaphragmatic dome.
Term
ANTERIOR BORDER
Definition
Where the COSTAL & MEDIASTINAL SURFACES meet ANTERIORLY and overlap the heart, the CARDIAC NOTCH this border of the LEFT LUNG.
Term
INFERIOR BORDER
Definition
Circumscribes the DIAPHRAGMATIC SURFACE OF THE LUNG and separates it from the COSTAL & MEDIASTINAL SURFACES
Term
POSTERIOR BORDER
Definition
Where the COSTAL & MEDIASTINAL surfaces meet posteriorly.
Term
POSTERIOR BORDER
Definition
Broad and rounded and lies in the CAVITY AT THE SIDE OF THE THORACIC REGION of the VERTEBRAL COLUMN.
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