Organ Demo Flashcards
Order to follow within organ descriptions:
- size
- surface
- color
- consistency
- inner contents
- special structure
Order to follow in organ complexes
- circulation
- respiration
- digestion
- urinary tract
- others (genital, endocrin..)
Heart - Size
The heart is 300-350 g (depending on the body weight)
Heart - Surface
The pericardium is smooth, shiny, glistening.
The pericardial fat tissue is of usual amount.
How to describe the heart
The description of the chambers follows the course of the blood flow.
Right Atrium
- normal in diameter, it is free, and the inner surface is smooth.
- The foramen ovale is closed. The auricle is free.
- The circumference of the tricuspid valve is normal (130 mm), the cusps are thin, membranous, freely movable
- the chordae tendinae are thin, thread-like.
The Right Ventricle
- normal in diameter
- the lumen is free, and the inner surface is smooth.
- The right ventricular myocardium is normal in thickness (3-5 mm).
- The circumference of the pulmonary valve is normal (80 mm), the cusps are thin, membranous, freely movable.
The Pulmonary Trunk
- normal in diameter
- the lumen is free
- inner surface is ivory
Left Atrium
- normal in diameter, it is free, and the inner surface is smooth.
- The auricle is free.
- The diameter of the bicuspid valve is normal (105 mm), the cusps are thin, membranous, freely movable
- the chordae tendinae are thin, thread- like.
- The papillary muscles are cylindrical
Left Ventricle
- the left ventricle is normal in diameter, the lumen is free, and the inner surface is smooth.
- The left ventricular myocardium is normal in thickness (10-14 mm).
- The circumference of the aortic valve is normal (65 mm), the cusps are thin, membranous, and freely movable.
Aorta
normal in diameter, the lumen is free, and the inner surface is ivory
Coronary Arteries
the diameter of the
- circumflex=CX
- anterior descending=LAD
- right coronary=RCA is normal, the lumen is free.
- The inner surface is ivory.
- The cut surface of the myocardium is reddish-brown, the consistency is rubbery, and the muscle structure is preserved.
What do you see in adipose infiltration of the heart
the pericardial fat is increased in amount, penetrates deeply between the muscle strands.
(Usually seen in the anterior wall of the right ventricle.)
What do you see in Hypoxic parenchymal degeneration in the Heart
the muscle is light brown, muscle structure is indistinct, and the consistency is flaccid
What would you see in Atherosclerosis in the Heart?
(aorta, coronaries):
- there are numerous…mm sized (confluent)
- yellowish/ butter yellow, firm/calcified/ulcerated plaques (with thrombosis
on/hemorrhage in the plaques) on the inner surface.
(These cause a ..% narrowing of the lumen.)
What would you see in Myocardial infarction (acute, more than 24 hrs old)
on the cut surface of the …(area: anterior wall, etc.) of the myocardium there is a … cm sized mainly subendocardial/transmural asymmetrical /map like, clay-yellow/reddish area with hemorrhagic edges.
Optional: There is a grayish easily removable material on the pericardium of this area(acute fibrinous pericarditis)
There is a …sized thrombus on the endocardium of this area (mural thrombosis-rare).
What would you see in Myocardial infarction (old):
on the cut surface of the … area of the myocardium there is a .. cm sized whitish scar tissue.
Optional: The lumen is dilated, the wall is thin (aneurysm)
What would you see in Acute Endocarditis
- Infective: large, smooth, grayish-yellowish thrombi on the valves
(=vegetation).
Valve destruction is common.
- Non infective: small, grayish thrombi on the edge of the valves (=sterile vegetation).
No valve destruction.
What would you see in Chronic Endocarditis (rheumatic):
the….valves are thickened, destruated, calcified, not movable, the valve is stenotic
What is the size of the Lung
The right and left lung together is 700
Surface of the Lung
The pleura is smooth, shiny and glistening.
What is the color of the Lung
The cut surface is reddish, the consistency is elastic, and the air bubbles can be felt.
Contents of the Lung
- The arteries are normal in diameter, the lumen is free.
- The inner surface is ivory.
- The bronchi are normal in diameter (which means, the lumen of a single bronchus is detectable not more than the 2/3 of the hilus-pleura distance), the lumen is free, and the mucosa is grayish-white/pale.
Consistency of the lung
Pressing the cut surface results in a small amount of deep red bubbly/frothy fluid.
What will you see if there is Atelectasis of Lung
the … area(s) of the lung is/are collapsed, the consistency is muscle-like.
What will you see if there is Edema of the Lung
Edema: the lungs are heavy, the consistency is firm elastic, large amount of
bubbly/frothy fluid can be pressed out of the cut surface.
What would you see int he Lungs in Emphysema
the parenchyma is light red, the consistency is soft.
Optional: There are … number, …cm sized air filled bullae in the periphery of the lobe (bullous emphysema).
What would you see in a Lung Infarct
There is a wedge-shaped, subpleural… cm sized firm, deep red area on
the cut surface.
There is a grayish white, easily removable layer on the pleural side of the infarction
What would you see in Lobar Pneumonia
the … lobe is homogenously grayish-red; the consistency is like that of the liver.
The parenchyma is friable/fragile.
What would you see in Bronchopneumonia
the … area of the lung is deep red with yellowish foci(=pus), the
parenchyma is friable/fragile.
Pus can be pressed out of this cut surface.
What would you see in a Lung Abscess
there is a … cm roundish cavity in the parenchyma partly filled with thick, yellowish pus.
What would you see in a Primary lung tumor
Central: there is an asymmetrically infiltrating, grayish-white, firm tissue mass in connection with one of the main bronchi.
Peripheral - there is an asymmetrically infiltrating, grayish-white, firm foreign tissue in the periphery of the lung. Generally there is no visible connection with any bronchi. The pleural surface is retracted
What would you see in Metastatic Lung Tumor
there are multiple … to … cm roundish grayish-white foreign tissue nodules in the parenchyma.
What would you see in Acute purulent bronchitis:
the mucosa is bright red, the lumen contains a large amount of mucinous-purulent secretion.
What would you see in Bronchiectasis
the lumen is dilated, the bronchi can be dissected up until the pleura.
What would you see in Pulmonarsclerosis
on the inner surface of the arteries there are … number, … mm sized yellowish plaques.
What would you see in Pulmonary embolism
the lumen of the primary/secondary/tertiary artery is occluded by a grayish-redish embolus, with rubbery consistency and dull surface.
What is the size of the spleen
150 g
What does the surface of the Spleen look like
The surface is smooth, shiny and glistening. The capsule is thin, it can be wrinkled
What does the cut surface of the spleen look like
The cut surface is deep red, the consistency is normal, there is no/minimal amount of scrape-off
What woudl you see in Hyaline spleen (chronic perisplenitis):
thick, confluent plaques thicken the capsule.
What would you see in acute congestion of the spleen
Slightly enlarged, capsule is tight, not wrinkable, moderate scrape-off.
What would you see in chronic congestion of the spleen
The spleen is enlarged, parenchyma is firm, fibrotic, no scrape-off.
What would you see in the spleen if there was Uremia, brain hemorrhage, and autolysis
the size of the spleen is normal, the parenchyma is soft, and there is a large amount of scrape-off.
What would you see int he spleen if there is sepsis
the spleen is enlarged, the parenchyma is soft, and there is a large amount of scrape-off.
What would you see in the spleen if there was Lymphoma/leukemia infiltration:
the spleen is greatly enlarged.
Optional: There are multiple 0,5-1 mm, white nodules diffusely in the parenchyma.
What is the noraml size of the kidney
The kidneys are normal in size (300 g together).
Surface of the Kidney
The fibrous capsule is easily removed, the surface is smooth / bears signs of fetal lobulation
Color and consistency of the kidney
The cut surface is reddish-brown, the border between the cortex and medulla is sharp.
Normal inside the kidney
The cortex is normal in thickness (5-10 mm), the medulla is preserved. The calyxes and the pyelon
is free, normal in diameter, the mucosa is pale.
Ureters
the ureters are free, normal in diameter, the mucosa is pale.
What do you see in Kidney congestion
on the surface the stellate veins are visible, the parenchyma is deep red.
What do you see with kidney stones
there are … number… cm coral-shaped stones filling the calyces.
At that area the mucosa is thickened and porcelain white/bright red.
What do you see in Kidney Anemic Infarction
Acute: on the cut surface there is a wedge shaped clay-yellow area with deep red/hemorrhagic border.
Old: there are one/few/multiple deep, stellar
shaped indentations on the surface, the parenchyma is thin, replaced by scar tissue.
What do you in Nephrosclerosis
(consequence of either chronic vascular or glomerular disorder):
surface is granulated, few small/ 1-2 mm thin walled cysts filled with yellowish, clear fluid, cortex is uneven in thickness, generally thin.
What do you see in Acute pyelonephritis:
The parenchyma is deep red, the cortex-medulla border is undefined, there are multiple small yellowish patches (=microabscesses).
What do you see in Chronic pyelonephritis:
There are numerous flat, roundish / asymmetrical
indentations on the surface, in the corresponding calyx the mucosa is thickened, porcelain white, the parenchyma is thin, replaced by scar tissue.
What do you see in shock kidney
The surface is pale, the cortex is pale (widened), and the medulla is deep red.
What do you see in Primary tumor (clear cell carcinoma) in the Kidney
There is a … cm large, round, well circumscribed, yellowish tissue with necrotic / hemorrhagic areas.
What is the eight of the brain
The brain is 1200-1250 g.
Normal surface of brain
he meninges are translucid, the gyri and the sulci are
normal.
The brain arteries have membranous wall, their lumen is free.