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level: Sexual Development

Questions and Answers List

level questions: Sexual Development

QuestionAnswer
What are the primary sex organs?The primary sex organs are the Testes and Ovaries
What are the accessory sex organs?the accessory sex organs are the glands and the external genitalia
Define Spermatogenesisbegin with one spermatogonia and through the process of meiosis the end result is 4 sperm cells.
Define OogenesisOogenesis forms 4 gametes but they regress
What requires more energy, spermatogenesis or Oogenesis?The amount of energy it takes to create an ovum is much greater than what it takes to create a sperm oogenesis > spermatogenesis
Why does Oogenesis require more energy?During the process of embryogenesis (first few weeks) the fetus relies on the energy stored within the ovum
What do we begin with and end with during the process of Spermatogenesis?We begin with a Spermatogonium and end with 4 mature sperm cells
Explain what occurs hereIn the process of Oogenesis, the oogonium splits into 4 cells but there is regression so the final product is one cell
Up to which week is the embryo undifferentiated (doesn't have a gender)up to week 5
What is the puberty period?around the ages of 10-15
What occurs during puberty?The reproductive organs grow to their adult size
Describe puberty in males- the scrotum and testes enlarge - appearance of pubic, axillary, and facial hair - lengthening of vocal folds (voice deepens) - Musculoskeletal system increases in mass - sexual maturation (mature sperm cells)
Describe puberty in females- budding breasts - menarche (first mensuration) - increase in subcutaneous fat - widening and lengthening of the pelvic girdle - appearance of axillary and pubic hair - estrogen induced growth spurt
What age is a women at her reproductive peak?late 20's
What is Menopause?menstrual cycle ceases or stops (occurs in women around 40-60) ovaries stop secreting estrogen reproductive organs and breasts begin to atrophy
What occurs in women around the age of 35the rate of follicle degeneration increases