LCCW Regional Anatomy III (lab) MT1 McBride

(A) Intercostal m.

(B) Innermost Intercostals m.

Name A & B

External Intercostal m.

Name Z

(1) Innermost Intercostal Muscles

(2) Diaphragm

(3) Subcostalis

Name 1, 2, & 3

Transversus thoracis (sternocostal)

Name A

Transversus thoracis (sternocostal)

Name A (view II)

(A) Superior Mediastium

(B) Inferior Mediastium

Mediastium Divisions:

Name Layers A & B

Anterior Mediastium

Mediastium Divisions:

Name A

Middle Mediastium

Mediastium Divisions:

Name B

Superior Mediastium

Mediastium Divisions:

Name C

Posterior Mediastium

Mediastium Divisions:

Name D

(A) Right Brachiocephalic Vein

(B) Superior Vena Cava

(C) Left Brachicephalic Vein

(D) Brachiocephalic Trunk

(E) Left Common Carotid Artery

(F) Left Vertebral Artery

(G) Aortic Arch (transverse section)

(H) Left Subclavian Artery

(I) Left Vegas Nerve

(J) Ascending Aorta

(K) Descending Thoracic Aorta

Name A - K

(A) R. Brachiocephalic Vein

(B) Superior Vena Cava (vein)

(C) Internal Jugular

(D) Left Brachiocephalic Vein

(E) subclavius mm. (clavicle removed)

(F) Left. Subclavian Vein

Name A - F

(A) On right side: azygos vein (drains into the Superior Vena Cava)

(B) Thoracic Duct

(C) Posterior Intercostal V.A.N.

(D) Left side Ascending - *Accessory hemi-azygos vein

(E) Left side Descending- Hemi-azygos

The Descending Aorta (thoracic and abdominal portions) supply blood to the Posterior Intercostal V.A.N.S

Name A - E

What gives blood supply to (C)?

(1) L. Anterior Scalene

(2) L. Phrenic Nerve

(3) L. Vegas Nerve

Name 1, 2, & 3

(1) Thoracic Sympathetic Trunk

(2) Thoracic Ganglia

Name 1 & 2

(A) Greater splanchnic App.x T5-T9

(B) Lesser splanchnic App.x T9-T12

(C) Least splanchnic App.x T12-L2

Name A, B & C

Approx. what vertebral levels do they run?

(a) Trachea

(b) Carina of Trachea (@ bifurcation)

(c) Right Primary Bronchi

(d) Tracheal Bifurcation

(e) Left Primary Bronchi

Name a - e

(1) Anterior Longitudinal Ligament (ALL)

(2) Esophagus (pulled to right side, sits anterior to ALL)

Name 1 & 2

(A) Phrenic Nerve

(B) Parietal Pleura

Name A & B

(1) Right Lungs (has 3 lobes)

(2) Left Lung (has 2 lobes)

(A) Apices of Lungs

(B) Oblique Fissures

(C) Horizontal Fissure (right side only)

Name 1 & 2

What differentiates 1 form 2 ?

Name A,B, & C

R - 3 lobes and 2 fissures

L - 2 lobes and 1 fissure

(1) Superior Lobes

(2) Middle Lobe (right lung only)

(3) Inferior Lobes

The Right lung has ____ Lobes and ___ fissures.

The Left Lung has ____ lobes and ___ fissure.

Name 1, 2, & 3

(A) Lingula

Note: Think LLL*

- Left, Lung, Lingula

Because the Left Lung does not have a middle lobe, what unique structure does it have instead (A)?

(1) Hila of Lungs

(2) Bases of Lungs (aka Diaphragmatic Surface)

The Hila/Hilum contains the *Roots of the Lungs, which are the:

- Primary Bronchial Tubes

- Pulmonary Arteries and Veins

Name 1 & 2

What structure contains the Root of the lungs? (1)

What structures are contained in this structure (1)?

(X) Primary "principle" Bronchi

(Y) Seccondary "lobar" Bronchi

(Z) Teriary "segmental" Bronchi

Name X, Y & Z

(A) Myocardium

(B) Pericardium

(C) Endocardium

Layers of Heart:

Name A, B, & C

(A) Superior Vena Cava

(B) Ascending Aorta

(C) Serous Pericardium (Parietal Layer) Internal

(D) Pericardial Sac/ Cavity

(E) Serous Pericardium (Visceral Layer) External

(F) Pulmonary Trunk

Name A-F

(1) Ascending Aorta

(2) Right Auricle

(3) Right Atrium

(4) Coronary Sulcus

(5) Right Ventricle

(6) Pulmonary Trunk

(7) Anterior Interventricular Sulcus

(8) Left Ventricle

Name 1 - 6

Ligamentum arteriosum

(remnant of the ductus arteriosus in fetal life)

What is the name of the structure outlined in Red?

What is significant about this structure?

(1) Left Coronary Artery

(2) Circumflex Coronary

(3) Anterior Interventricular Coronary

(AKA: left anterior descending Coronary

(4) Diagonal Artery

Arteries of the Heart: Left Main Coronary

Name 1, 2, 3 & 4

Left Marginal Coronary

Arteries of the Heart: Left Main Coronary

Name a

(A) Right Coronary Artery

(B) Right Marginal Coronary Artery

Arteries of the Heart: Right Main Coronary

Name A & B

Posterior interventricular Coronary Artery

(Right posterior descending Coronary)

Arteries of the Heart: Right Main Coronary

Name Z

Interatrial Septum

Name the structure outlined in Red

(1) Left Subclavian

(2) Left Common Carotid

(3) Brachiocephalic Trunk

(4) Superior Vena Cava

(5) Ascending Aorta

Name 1 - 5

(6) Right Atrium

(7) Cusp of Right AV Valve (Tricuspid)

(8) Trabecula Carnae

(9) Right Ventricle

Name 6 - 9

(10) Interventricular septum

(11) Left Ventricle

(12) Papillary Muscles

(13) Cordae Tendinae

(14) Cusp of Left AV Valve (Bicuspid)

Name 10 - 14

(15) Left Auricle

(16) Cusp of Pulmonary "Semi-Lunar" Valve

(17) Pulmonary Trunk

Name 15 - 17

(1) Superior Vena Cava

(2) Inferior Vena Cava

Veins of the heart:

Name 1 & 2

Left Marginal Vein

Veins of the heart:

Name a

(B) Great Cardiac Vein

(b2) Coronary Sinus

Veins of the heart:

Name B and b2

Middle Cardiac Vein

Veins of the heart:

Name c

Small Cardiac Vein

Veins of the heart:

Name D

(A) Bicusspid Right AV Valve

(B) Tricuspid Left AV Valve

Closed during Systole

Name A & B

What phase of the heartbeat do the close?

(A) Pulmonary Semiluar Valve

(B) Aortic Semilunar Valve

Closed during diastole

Name A & B

What phase of the heartbeat do the close?

(A) Pectinate Muscle

(B) Fossa Ovale (remnant of the foramen ovale from fetal life)

Name A & B

What is significant about B?

Rectus Abdominis Muscle

Name A

External Oblique Muscle

Name B

Internal ObliqueMuscle

Name C

Tranverse Abdominis Muscle

Name D

(A) External Abdominal

(B) Internal Abdominal

(C) Transverse Abdominis

Name A.B.C.

(1) Vena Caval Foramen (opening for Inferior Vena Cava)

(2) Left Crus

(3) Right Crus

(4) Aortic Hiatus

(5) Esophogeal Hiatus

(6) Centeral Tendon

Diaphragm:

Name 1 - 6

(A) Tendinsous Inscriptions (intersections)

(B) Inguinal Ligament

(C) Linea Alba

Connective tissue Structures:

Name A,B & C

Rectus Sheath

Connective tissue:

Name Z

Superficial Inguinal Canal

Name the area circled in purple

Deep Inguinal Canal

Name A

Lateral Umbilical (epigastic) Fold

Formed by Inferior Epigastric Vessels

Name A

What is its significance?

Medial Umbilical Fold

Remnant of Umbilical Arteries

Name B

What is its significance?

Median Umbilical Fold

Remnant of the Urachus

Name C

What is its significance?

(1) Celiac Trunk

(2) Splenic Artery

(3) Splenic Vein

(4) Spleen

Name 1 - 4

(A) Spleen Hilum

(B) Spleen Notches

name A & B

(1) Caudate Lobe

(2) Left Lobe

(3) Quadrate Lobe

(4) Right Lobe

Liver:

Name 1 - 4

(A) Coronal/ Coronary Ligament

(B) Left Triangular Ligament

(C) Right Triangular Ligament

(D) Falciform Ligament

Liver:

Name A - D

(1) Falciform Ligament

(2) Ligamentum Teres Hepatis (round ligament of liver)

#2: remnant of the umbilical v.

Liver:

Name 1 & 2

What is Significant about 2?

(1) Cyst Duct

(2) Right Hepatic Duct

(3) Left Hepatic Duct

(4) Common Hepatic Duct

(5) Bile Duct

(6) Pancreatic Duct

Hepatic, ducts Ducts:

name 1-6

(A) Duodenal Papilla (Minor)

(B) Duodenal Papilla (Major)

Name A & B

Pancreas

(A) Head

(B) Tail

(C) Body

What body part is this?

Name A, B & C

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