Body Cavities

Question 1

Name the 3 body cavities

Answer 1

Thoracic cavity
Abdominal cavity
Pelvic Cavity

Question 2

Parietal

Answer 2

the serous membrane that lines the boundaries or sides of the cavity

Question 3

Visceral

Answer 3

the serous membrane that covers all the organs within the cavity

Question 4

What is a serous membrane?

Answer 4

a single continuous layer of epithelium that produces a watery or serous lubricating fluid

Question 5

What does serous fluid do?

Answer 5

acts as a lubricant between the surfaces of the cavity and the organs and structures within it

Question 6

What is the name of the serous membrane that lines the thoracic cavity?

Answer 6

Pleura

Question 7

What is the name of the serous membrane that lines the thoracic surface of the diaphragm?

Answer 7

Diaphragmatic pleura

Question 8

What is the name of the serous membrane that lines the inside of the ribs?

Answer 8

costal pleura

Question 9

What is the name of the serous membrane that lines over the lungs?

Answer 9

Pulmonary pleura

Question 10

What is the name of the serous membrane that lines the mediastinum?

Answer 10

Mediastinal pleura

Question 11

What is the name of the serous membrane that lines the abdominal cavity?

Answer 11

Peritoneum

Question 12

What is the name of the serous membrane that suspends the organs within the cavity?

Answer 12

Mesentery

Question 13

What is the name of the serous membrane that lines over the stomach?

Answer 13

Greater momentum attached to greater curvature, lesser momentum attached to lesser curvature

Question 14

What is the name of the serous membrane that lines over the duodenum?

Answer 14

Mesoduodenum

Question 15

What is the name of the serous membrane that lines over the ovary?

Answer 15

Mesovarium

Question 16

What is the name of the serous membrane that lines over the uterus?

Answer 16

Mesometrium

Question 17

What is the lateral boundary of the thoracic cavity?

Answer 17

Rib and intercostal muscles

Question 18

what is the cranial boundary of the thoracic cavity?

Answer 18

the thoracic inlet

Question 19

What is the thoracic inlet?

Answer 19

an oval opening parallel to the first rib pair

Question 20

what is the caudal boundary of the thoracic cavity?

Answer 20

the diaphragm

Question 21

what is the dorsal boundary of the thoracic cavity?

Answer 21

the hypaxial muscles and thoracic vertebrae

Question 22

what is the ventral boundary of the thoracic cavity?

Answer 22

the sternum

Question 23

What is the lateral boundary of the abdominal cavity?

Answer 23

abdominal oblique muscles and shaft of the ilium on either side

Question 24

what is the cranial boundary of the abdominal cavity?

Answer 24

the diaphragm

Question 25

what is the caudal boundary of the abdominal cavity?

Answer 25

the pelvic outlet which is closed off by the coccygeal and retractor ahi muscles - the pelvic diaphragm

Question 26

What is the dorsal boundary of the abdominal cavity?

Answer 26

the hypaxial muscles and lumbar vertebrae

Question 27

what is the ventral boundary of the abdominal cavity?

Answer 27

the abdominal muscles, ischium and pubis on either side

Question 28

What is a mesentery?

Answer 28

a wide peritoneal fold attaching organs to the abdominal wall and containing blood vessels lymph vessels or nerves

Question 29

What is an omentum?

Answer 29

a wide peritoneal fold enclosing and attaching the stomach to other organs and the abdominal wall.

Question 30

what omentum contains a lot of fat?

Answer 30

the greater omentum

Question 31

what is a soft tissue ligament?

Answer 31

runs from an organ to the abdominal wall or to another organ. it is narrow and contains few or no vessels

Question 32

List the structures within the thoracic cavity

Answer 32

``` Mediastunum Heart Trahcea Oesophagus Thymus Bronchi Lung tissue Lymph nodes and vessels Blood vessels nerves ```

Question 33

List the structures within the abdominal cavity

Answer 33

``` Liver Gall bladder Spleen Oesophagus Stomach Small intestine Large intestine Pancreas reproductive organs ureters urinary bladder urethra lymph nodes and vessels blood vessels nerves ```