topic 26

Question 1

the thorax can be divided into which 3 regions

Answer 1

precardiac, cardiac and postcardiac

Question 2

the two pleural cavities opf the thorax consists of two parts

Answer 2

pleura costalis and pleura mediastinalis

Question 3

the fascia covering the thoracic cavity is called

Answer 3

fascia endothoracica

Question 4

the dorsal and ventral recesses of the two pleural cavities are called

Answer 4

rec. costomediastinalis

rec. sternomediastinalis

Question 5

recess found cranially beyont the thorac inlet

Answer 5

cupola

Question 6

recessus caudodorsally extending beyond thorax along diaphragma

Answer 6

rec. lumbodiaphragmatica

Question 7

pneumamediastinum

Answer 7

area btw the two pleural cavities

Question 8

recess extending ventrolat against diaphragma

Answer 8

rec. costodiaphragmatica

Question 9

recess where you find the accessory lobe of the RIGHT lung

Answer 9

rec. mediastinodiaphragmatica SIN
- -> here also see plica vena cava(RIGHT!)!

right pleural cavity extend to the left side of thorax, it is bigger than left

Question 10

two curves of the esophagus are found in the thorax regon

Answer 10

C6 to dorsal

dorsal to heart

Question 11

two narrowings of the esophagus

Answer 11

1st rib and diaphragma

Question 12

left and right lung lobes of canine

Answer 12

L: cranial in a cr+ca part, caudal lobe (=3)
R: cr, middle, caudal, accessory (=4)

Question 13

facies, parts and margins of the lungs

Answer 13

facies: costalis, medialis
pars: vertebralis, mediastinalis
margo obtusus(dors) and acutus(ventr)

Question 14

impressio of fascies medialis of lungs

Answer 14

impressio: cardiaca, aortica, esophagea

Question 15

inbulging of abdominal peritoneum over esophagus

Answer 15

cavum serosum mediatini

Question 16

lc. thoracicum ventrale

Answer 16

btw sternum and thoracica interna: ln sternalis cranialis

lc. thor dors under arteries intercos dors

Question 17

lc. mediastinalis

Answer 17

ln. mediastinum cran and medius are found

in front of and dors to heart

Question 18

lc. tracheobronciale

Answer 18

ln. tracheobronchialis dex sin and medius

Question 19

nerves

Answer 19

look at nerves running in precardiac cardiac and postcard regions (divide them)

Question 20

pericardium two layers

Answer 20

pericardium fibrosum (cont. onto t. ext of blood vessels -> connected to fascia endothoracica)
pericardium serosum

Question 21

lig pulmonale

Answer 21

caud to root of lung

Question 22

gl. thymus

Answer 22

in precardiac region, lympohatic organ

Question 23

pericardium function

Answer 23

The pericardium fixes the heart to the mediastinum, gives protection against infection and provides the lubrication for the heart

Question 24

3 layers of heart

Answer 24

endocardium
myocardium
epicardium (outer)

Question 25

how to dissect

Answer 25

Divide the thorax in to sections, both on the left and right
Talk about the lungs
Talk about the pericardium
Talk about the topography of the thorax:
Spaces (recesses / cupula), Structures