Lesson 4 — Sex Development and Male Hormones


Self-Check


Label the numbered structures on the following diagram:



ADLC


  1. Number 1 represents _______________ of the brain, which is _______________ control.

  2. Number 2 is the _______________ pituitary, also known as the _______________ gland.

  3. Number 3 represents the _______________ _______________ of the testes, which produces hormone labelled number 9, _______________.

    1. Number 4a represents _______________ _______________ of the testes, which develop number 8, _______________.

    2. Seminiferous tubules can also contain nurse cells also called _______________ _______, which secrete hormone labelled number 10, _______________.

  4. Number 5 is the hormone _____________ ____________ _____________. It can be called a ________ factor.

  5. Number 6 is the hormone _________ __________, which stimulates the ________ cells to secrete ________.

  6. Number 7 is the hormone ________ ________ __________, which stimulates the ________ ______________ to produce ________.

  7. Number 8 are ________, which also require ________ to develop.

  8. Number 9 is ________responsible for ________ development and ____________ sexual characteristics such as ____________, ____________, ____________, ____________.

  1. hypothalamus; unconscious

  2. anterior; master

  3. interstitial cells; testosterone

    1. seminiferous tubules; sperm
    2. Sertoli cells; inhibin

  4.  Gonadotropic Releasing Hormone (GnRH) ; Releasing

  5. Luteinizing hormone (LH); interstitial; testosterone

  6. Follicle Stimulating Hormone (FSH), seminiferous tubules; sperm

  7.  sperm; testosterone

  8. testosterone; sperm; secondary; voice change, increase muscle mass/tone, beard, aggressiveness, body hair

Biology 30 © 2008  Alberta Education & its Collaborative Partners ~ Updated by ADLC 2019