Repro: a&p memorization Flashcards
Which nerve mediates erection?
Pelvic (PsNS)
Which nerve mediates emission?
Hypogastric (SNS)
Which nerve mediates ejaculation?
Pudendal (visceral/somatic)
What cells form the blood-testis barrier? What type of junctions do they have?
Tight junctions btwn Sertoli cells
Which cells secrete inhibin?
Sertoli cells
Which cells secrete MIF?
Sertoli cells
Which cells produce testosterone?
Leydig cells
Sertoli or Leydig: which is temperature sensitive?
Sertoli
Sertoli or Leydig: which secretes androgen-binding protein?
Sertoli
Sertoli or Leydig: which contain aromatase?
BOTH
Sertoli or Leydig: which line the seminiferous tubules and which are in the interstitium?
Sertoli: line STs
Leydig: interstitium
After a woman delivers her baby, a fall in what hormone disinhibits prolactin and allows lactation?
Progesterone
Where are estrogen receptors normally found?
Cytoplasm
Which phase of the menstrual cycle varies?
Follicular
What’s another name for the proliferative phase?
Follicular phase
What’s another name for the secretory phase?
Luteal phase
Oligomenorrhea is defined as a cycle longer than how many days?
> 35 days
Polymenorrhea is a cycle shorter than how many days?
<21 days
What term describes frequent but irregular menstruation and intermenstrual bleeding?
Metorrhagia
What term describes either >80 mL of blood loss or >7 days of menses?
Menorrhagia
What term describes heavy, irregular menstruation at irregular intervals?
Menometrorrhagia
What phase are primary oocytes arrested in?
Prophase 1
What phase are secondary oocytes arrested in?
Metaphase 2
What is the classical cause of Mittelschmerz (beyond just ovulation)?
Peritoneal irritation
MC site of fertilization?
Ampulla (upper end) of fallopian tube
Why is suckling required to maintain milk production?
Nerve stimulation increases prolactin and oxytoxin
What are the 2 main types of immune cells that are in breast milk?
Lymphocytes
Macrophages
Breast milk decreases risk for infection and for what 4 conditions in the baby?
Asthma
Allergies
DM
Obesity
Breast feeding decreases risk of what 2 cancers in mom?
Breast and ovarian
What makes hCG?
Synctriotrophoblast
I want to hit menopause earlier. What’s really the only way I can make this happen without taking out my lady parts?
Start smoking
Menopause before what age can indicate premature ovarian failure?
40
When does spermatogenesis begin? How long does it take?
Puberty; 2 months
What is the name of the process that spermatids undergo to become mature spermatozoa?
Spermiogenesis
What are the 2 main events in spermiogenesis?
Loss of cytoplasmic contents
Gain of acrosomal cap