(9) Body Cavities Flashcards
1
Q
Cranial Abdominal Contains:
A
• Xiphoid or epigastric region
• Hypochondriac region (L&R)
2
Q
Middle abdominal Contains:
A
• Umbilical region
• Lateral regions (L&R)
3
Q
Caudal abdominal Contains:
A
• Pubic region
• Inguinal region (L&R)
4
Q
TWO CAVITIES OF THE BODY:
A
• Dorsal Cavity
• Ventral Cavity
5
Q
What cavity of the body contains cranial cavity and spinal cavity
A
Dorsal Cavity
6
Q
What cavity of the body contains visceral organs
A
Ventral Cavity
7
Q
What are the compartments of the body?
A
Body cavities
8
Q
Body cavities are divided into three:
A
• Thoracic cavity
• Abdominal cavity
• Pelvic cavity
9
Q
• The space within the thorax containing the thoracic organs, the pleura and pleural cavities, the pericardium and pericardial cavity
A
THORACIC CAVITY
10
Q
Thoracic cavity bounded laterally by?
A
Ribs
11
Q
Thoracic cavity bounded ventrally by?
A
Sternum
12
Q
Thoracic cavity bounded dorsally by?
A
Vertebral column
13
Q
Thoracic cavity bounded cranially by?
A
Thoracic inlet
14
Q
Thoracic cavity bounded caudally by?
A
Diaphragm
15
Q
• The space within the trunk between the diaphragm and the pelvic cavity
A
ABDOMINAL CAVITY
16
Q
Abdominal cavity bounded cranially by?
A
Diaphragm
17
Q
Abdominal cavity bounded laterally and ventrally by?
A
Muscles of the body wall
18
Q
Abdominal cavity bounded dorsally by?
A
Lumbar vertebrae
19
Q
Abdominal cavity bounded caudally by?
A
Pelvic inlet
20
Q
• Or the pelvis; it contains the rectum, the anal canal and the pelvic parts of the reproductive and urinary viscera
A
PELVIC CAVITY
21
Q
PELVIC CAVITY has two parts:
A
- peritoneal part
- retroperitoneal part
22
Q
the cranial portion lined by pouches of the abdominal peritoneum
A
Peritoneal part
23
Q
the caudal portion not lined by abdominal peritoneum
A
Retroperitoneal part
24
Q
Pelvic cavity bounded cranially by?
A
Abdominal cavity
25
Pelvic cavity bounded dorsally by?
Sacrum
26
Pelvic cavity bounded laterally and ventrally by?
Pelvis
27
Pelvic cavity bounded caudally by?
Perineum
28
The thoracic and abdominal cavities are separated by the?
diaphragm
29
The abdominal and pelvic cavities are continuous; their junction is referred to as?
pelvic inlet
30
are all derivatives of the lining of the celomic cavity of the embryo
serous membranes
31
forms a continuous sac that is usually empty except for a small amount of serous (watery) fluid.
serous membrane
32
What are not found inside any of the serous sacs, although most viscera are covered by at least one layer of a serous membrane
viscera
33
No viscera are found inside any of the serous sacs, although most viscera are covered by at least one layer of a?
serous membrane
34
surrounds the organs in the thoracic cavity
Pleura
35
lines the visceral organs in the abdominal and pelvic cavity
Peritoneum
36
adheres to the walls of the ventral cavity
Parietal serous membranes
37
adhere to the organs inside the ventral cavity
Visceral serous membranes
38
What covers the organs?
Visceral pleura
39
The pleura found in the heart is the?
pericardial pleura or pericardium
40
The pleura found on the lungs is the?
pulmonary pleura
41
The pleura found on the mediastinum is called the
mediastinal pleura
42
What covers the body wall?
Parietal pleura
43
The pleura on the ribs is the?
costal pleura
44
The pleura on the diaphragm is called the?
diaphragmatic pleura
45
small cup-shaped bubbles of pleura at the cranial lung that protrude through the thoracic inlet
Pleural cupulae
46
triangular, transparent double fold of pleura between the caudal lobe of the lung and caudal end of hilus
Pulmonary ligament
47
double fold of pleura that surrounds the vena cava
Plica vena cava
48
PERITONEUM Divided into:
• Parietal peritoneum
• Visceral peritoneum
• Connecting peritoneum
49
a diverticulum of the peritoneum present in both sexes that pass through the inguinal canal. In the male it envelops the testis and structures of the spermatic cord and is referred to as the vaginal tunic
Vaginal process
50
Vaginal process – a diverticulum of the peritoneum present in both sexes that pass through the inguinal canal. In the male it envelops the testis and structures of the spermatic cord and is referred to as the?
vaginal tunic
51
A fold of peritoneum the suspends the intestines from the dorsal body wall
Mesentery
52
double fold of peritoneum that extends from a wall to an organ or between two abdominal organs; ex. Gastrosplenic ligament, hepatoduodenal ligament
Peritoneal ligament
53
continuous double fold of peritoneum elaborated from greater curvature of the stomach
Greater omentum
54
communicates between omental bursa and peritoneal cavity
Epiploic foramen
55
extends between lesser curvtaure of the stomach and liver (papillary process of caudate lobe)
Lesser omentum
56
Peritoneal pouches along each side of rectum (paired)
Pararectal fossae
57
Peritoneal pouches between rectum and uterus/ductus deferens
Rectogenital pouch
58
Peritoneal pouches between the urinary bladder and uterus/ductus deferens
Vesicogenital pouch
59
Their vesicogenital pouch well-developed
Female
60
Their vesicogenital pouch poorly developed or absent; may blend with rectogenital pouch to form rectovesical
pouch between rectum and bladder.
Male
61
between pubis and neck of the urinary bladder
Pubovesical pouch
62
Their pubovesical pouch intimately related to prostate gland
Male
63
Their pubovesical pouch smaller or absent
Female
64
double peritoneal fold
Broad ligaments of the uterus
65
three peritoneal folds
Ligaments of urinary bladder
66
LAYERS OF BODY WALL AND DIGESTIVE TRACT From outside inward:
• Epithelium
• Connective tissue layer
• Muscle layer
• Connective tissue layer
• Mesothelium
67
( LAYER OF BODY WALL ) epidermis of the skin
Epithelium
68
( LAYER OF BODY WALL ) dermis and fascia of the skin
Connective tissue layer
69
( LAYER OF BODY WALL ) striated or skeletal muscle
Muscle layer
70
( LAYER OF BODY WALL ) retroperitoneal fascia
Connective tissue layer
71
( LAYER OF BODY WALL ) serous membrane or parietal peritoneum
Mesothelium
72
( LAYERS OF THE DIGESTIVE TRACT ) mucus membrane or tunica mucosa
Epithelium
73
( LAYERS OF THE DIGESTIVE TRACT ) tunica submucosa
Connective tissue layer
74
( LAYERS OF THE DIGESTIVE TRACT ) skeletal, smooth or mixed or tunica submucosa
Muscle layer
75
( LAYERS OF THE DIGESTIVE TRACT ) visceral peritoneum
Mesothelium
76
organs associated with body cavity; presence of serous membranes; tunica serosa
With mesothelium
77
organs not associated with any body cavity; absence of serous membranes; tunica adventitia
Without mesothelium
78
The dome shaped muscle separating the thoracic and abdominal cavities, innervated by phrenic nerve
• Principal muscle of respiration
DIAPHRAGM
79
THE DIAPHRAGM is a dome shaped muscle separating the thoracic and abdominal cavities, innervated by?
phrenic nerve
80
THE DIAPHRAGM Has three major openings:
The aortic hiatus, the esophageal hiatus, and the caval foramen
81
THE DIAPHRAGM
- Divided into five parts:
• Crura or lumbar part
• Costal part
• Sternal part
• Tendinous center
• Cupula
82
the dorsal part of the diaphragm consisting of the right and left ?
Crura or lumbar part
83
the lateral muscular part of the diaphragm extending between the thoracic wall and the tendinous center
Costal part
84
the ventral muscular part of diaphragm
Sternal part
85
the V-shaped aponeurotic center of diaphragm
Tendinous center
86
the cranial part of the dome ( diaphragm )
Cupula
87
most dorsal opening of diaphragm through which the abdominal aorta, the thoracic duct and the azygos vein passes
Aortic hiatus
88
opening of the diaphragm through which the esophagus, esophageal vessels and the vagal trunk pass
Esophageal hiatus
89
opening of diaphragm through which the caudal vena cava passes
Caval foramen
90
In the female, the abdominal cavity is open through what tube?
uterine tube
91
This canal opening in the caudo-ventral abdominal wall through which vessels, nerves and the spermatic cord (male) or round ligament (female) pass
Inguinal canal
92
opening from abdominal cavity to the femoral canal through which vessels pass to the pelvic limb
Vascular lacunae
93
fetal structure that transmits umbilical cord
Umbilical ring
94
Structures contained entirely within the thoracic cavity:
• Heart and great vessels
• Lungs
• Pleurae and pleural cavities
• Thymus
• Some lymph nodes
• Some sympathetic ganglia
• mediastinum
95
Structures contained partially within the thoracic cavity:
• Trachea
• Esophagus
• Aorta
• Caudal vena cava
• Phrenic nerves
• Sympathetic chain
• Vagus nerves, branches and trunks
96
Structures contained entirely within the abdominal cavity:
• Stomach
• Small intestine
• Liver and gallbladder
• Pancreas
• Spleen
• Kidneys and adrenal glands
• ovaries
97
Structures contained partially within the abdominal cavity:
• Peritoneum and peritoneal cavity
• Large intestine
• Ureters
• Spermatic cord
• Uterus
• Urinary bladder (when very full)
98
CONTENTS OF THE PELVIC CAVITY:
• Rectum and anal canal
• Neck of the urinary bladder and urethra
• Caudal part of the uterine cervix and the vagina
• Ductus deferens and the prostate gland
