Serous Membranes

Question 1

Objectives

Answer 1

• ​Serous Membranes
  
  • Understand and recognize the structure of a serous membrane
  • Identify the tunica serosa on various organs
  • Explain the nomenclaute fo the serous membranes of body cavities.
• Be able o define the following terms:
  
  • (Tunica) serosa, pericardium, pleura, peritoneum, visceral, parietal

Question 2

Serous Membranes

Answer 2

• Lines body cavities
• Cover the outer surface of the organs in those cavities
  
  • They are the Tunica serosa of those organs
  • They also have specific names depending on the body cavity (Pleura, pericardium, peritoneum)
• Have simple squamous epithelium
• Connective tissue holding them to the organs or to the wall of the body cavity (sometimes very thin)

Question 3

Serous Membrane breakdown

Answer 3

Question 4

Mesenteries

Answer 4

• Double-sided fold of the peritoneumwhich attaches the stomach, small intestine, pancreas, spleen, and other organs to the wall of the abdomen (usually dorsal wall)
• Named for the organ (mesogastrium, mesoduodenum, etc.) The greater omentum is a mesentery
• Usually contain some fat, vessels and verves; sometimes lymph nodes

Question 5

Mesovarium

Answer 5

• Peritoneum on the ovary is a little different in appearance. It is cuboidal
• It is the Tunica Serosa of the ovary

Question 6

Mesosalpinx

Answer 6

• Part of the broad ligament covering and attached to the uterine tube

Question 7

Visceral Vaginal Tunic

Answer 7

• On the surface of the testis or epididymis = “Mesochium”
• On the ductus deferens = “Mesoductus deferens”

Question 8

Mesometrium

Question 9

Specifially named serous membranes

Answer 9

• Visceral pleura - “pulmonary pleura” - covers Lung
• Visceral pericardium - “eipicrdium” - covers Heart
• Visceral Peritoneum - covers other organs