Abdominal Cavity Anatomy
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Questions and Answers

Which muscles form a strip extending the length of the midline of the abdomen?

  • Internal oblique
  • External oblique
  • Rectus abdominis (correct)
  • Transversus abdominis

Which muscles are joined at the midline by a tendinous seam called the linea alba?

  • Transversus abdominis
  • External oblique
  • Internal oblique
  • Rectus abdominis (correct)

Which part of the body borders the abdomen in the back?

  • Lower rib cage and abdominal muscles
  • Diaphragm
  • Brim of the pelvis
  • Vertebral column and paravertebral muscles (correct)

What forms the border of the abdomen in the back?

<p>Vertebral column and paravertebral muscles (A)</p> Signup and view all the answers

Which muscles are joined at the midline by the linea alba in the abdomen?

<p>Rectus abdominis (B)</p> Signup and view all the answers

What is the function of the linea alba in the abdomen?

<p>Structural support (B)</p> Signup and view all the answers

What is the main function of the plasma membrane?

<p>To separate the cell from its surroundings and control passage of substances (A)</p> Signup and view all the answers

What is responsible for controlling passage across the cellular membrane?

<p>Transport proteins (D)</p> Signup and view all the answers

What characteristic is exhibited by the plasma membrane to allow some substances to cross more easily than others?

<p>Selective permeability (D)</p> Signup and view all the answers

Flashcards

Rectus abdominis

A muscle group running along the midline of the abdomen.

Linea alba

A tendinous seam joining rectus abdominis muscles.

Abdomen border (back)

Vertebral column and paravertebral muscles.

Plasma membrane function

Separating the cell and controlling substance passage.

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Selective permeability

Plasma membrane's ability to control what enters/exits.

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Transport proteins

Proteins helping substances cross the membrane.

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Abdominal muscle function

Structural support and aiding movements.

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Plasma membrane

Protective outer layer of the cell.

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Linea Alba function

Provides structural strength to abdominal wall.

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