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Cavities&Mesenteries
Body cavities and mesenteries A+P
| Term | Definition |
|---|---|
| Body Cavities | Dorsal, Ventral- thoracic, pericardial, abdominal, pelvic |
| Potential Space | Occurs between visceral and parietal spaces |
| Serosa is also known as | serous membranes |
| Serosa in plural terms | serosae |
| Serosa | Continuous sheet doubled over to form two layers with narrow space in between. Contains small amounts of fluid to provide lubrication (name of fluid dependent on location) |
| Pleura | Lines thoracic cavity and organs. Forms two pleural sacs lining either side of the mediastinum |
| Mediastinum | wall that divides pleural cavity and contains thoracic organs (heart, esophagus, trachea) |
| Pulmonary pleura is also called | Visceral Pleura |
| Pulmonary (Visceral) Pleura | Thin serosal lining of the surface of the lung, very tightly adhered |
| Parietal Pleura | Thin serosa lining the walls of the thoracic cavity, mediastinum, and diaphragm. Right and left join to form the mediastinum. |
| Caval Fold | small pocket in right mediastinum to cover vena cava |
| Pulmonary Ligaments | portion of serosa between parietal and visceral, suspends lungs from wall |
| Pericardial Cavity | Pericardium - two parts (Visceral pericardium and Parietal pericardium) |
| Pericardium | serosal membrane associated with the heart |
| Visceral Pericardium | Epicardium- serosa overlying the heart |
| Parietal Pericardium | Serosa lining pericardial sac |
| Diaphragm | divides thoracic and abdominal cavities, thin muscle important in respiration along with external intercostal muscles, and several openings for structures- vena cava, esophagus, aorta |
| Abdominal Cavity | Diaphragm to pelvis inlet, abdominal organs suspended from dorsal portion of abdominal cavity to liver |
| Visceral peritoneum | serosal lining of abdominal organs |
| Parietal peritoneum | serosa lining walls of the abdominal cavity |
| Ligaments of the liver | Falciform, Round, Coronary |
| Falciform ligament | fatty, located between left and right halves, extends to ventral wall |
| Round ligament | remnant of fetal blood vessels, between liver and diaphragm |
| Coronary ligament | extension of falciform to central tendon of diaphragm |
| Omentum | Sheets of visceral peritoneum |
| Greater omentum | overlays organs, from greater curvature of stomach to dorsal abdominal wall via pelvic inlet, laced with fat, out pocketing of visceral peritoneum, two sheets |
| Lesser Omentum | lesser curvature of the stomach to the liver |
| Mesentery | double layer of visceral peritoneum, connects to intestines |
| Abdominal Ligaments From Lesser Omentum | Gastrohepatic and Hepatoduodenal |
| Abdominal Ligaments from Greater Omentum | Gastrosplenic |
| Abdominal Ligaments from dorsal wall of abdominal cavity | Mesoduodenum, Mesojejunum, Mesoileum, and Mesocolon |
| Root of mesentery | Root of attachment |
| Pelvic cavity | pelvis inlet to pelvic outlet, ligaments of the urinary bladder |
| Median Ligament is found in | Pelvic cavity |
| Median ligament | to ventral walls |
| Lateral ligament is found in | Pelvic cavity |
| Lateral ligament | to lateral walls |
| Ligaments of the female reproductive system | Broad ligament, suspensory ovarian ligament, round ligament |
| Round ligament | lateral attachment of horns to lateral wall |
| Suspensory ovarian ligament | spay, increase blood pressure |
| Broad ligament | mesometrium, mesovarium, mesosalpinx, contains ovarian pedicle- uterine artery and vein, mesovarium |
Created by:
kenziev47
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