Pars Intermedia
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Questions and Answers

Which gland is also known as the hypophysis?

  • Adrenal gland
  • Pituitary gland (correct)
  • Parathyroid gland
  • Thyroid gland
  • Which hormones act directly on non-endocrine tissues?

  • Thyroid stimulating hormone (TSH)
  • Luteinizing hormone (LH)
  • Follicle stimulating hormone (FSH)
  • Growth hormone (GH) (correct)
  • Which part of the pituitary gland has a thin fibrous capsule and contains chromophils and chromophobes?

  • Pars nervosa
  • Pars distalis (correct)
  • Pars tuberalis
  • Pars intermedia
  • Which type of cells in the pars distalis secrete growth hormone ?

    <p>Somatotrophs</p> Signup and view all the answers

    Which region of the pituitary gland surrounds the infundibulum of the neurohypophysis?

    <p>Pars tuberalis</p> Signup and view all the answers

    Which part of the endocrine system is responsible for synthesis, storage, and secretion of hormones?

    <p>The major endocrine organs</p> Signup and view all the answers

    What are the staining characteristics and functions of the subtypes of cells in the pars distalis?

    <p>Stains blue and secretes growth hormones</p> Signup and view all the answers

    Which part of the pituitary gland is responsible for storing secretions?

    <p>Neurohypophysis</p> Signup and view all the answers

    What is the main function of the cells in the diffuse endocrine system?

    <p>Provide paracrine signaling</p> Signup and view all the answers

    What are the characteristics of cells in endocrine glands?

    <p>All of the above</p> Signup and view all the answers

    Which of the following hormones is released in response to increased blood tonicity?

    <p>ADH</p> Signup and view all the answers

    What is the function of ADH in the renal collecting ducts?

    <p>Increase water reabsorption</p> Signup and view all the answers

    Which condition can occur due to head trauma affecting the posterior pituitary?

    <p>Diabetes Insipidus</p> Signup and view all the answers

    What is the main function of oxytocin during childbirth?

    <p>Stimulate uterine smooth muscle contraction</p> Signup and view all the answers

    Which cells in the mammary gland does oxytocin act on?

    <p>Myoepithelial cells</p> Signup and view all the answers

    What is the neural connection between the hypothalamus and the pituitary gland called?

    <p>Hypothalamic-hypophyseal tract</p> Signup and view all the answers

    Which arteries supply the pituitary gland?

    <p>Internal carotid arteries</p> Signup and view all the answers

    Which of the following is true about the pars intermedia of the anterior pituitary gland?

    <p>It secretes melanocyte stimulating hormone (MSH)</p> Signup and view all the answers

    What is the ultrastructure of the cells in the anterior pituitary gland?

    <p>All of the above</p> Signup and view all the answers

    How are the activities of the cells in the anterior pituitary gland controlled?

    <p>All of the above</p> Signup and view all the answers

    What are Herring bodies in the posterior pituitary gland?

    <p>Axonal dilatations</p> Signup and view all the answers

    What triggers the release of peptides from Herring bodies in the posterior pituitary gland?

    <p>Nerve impulses along the axons</p> Signup and view all the answers

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