1.2.3 Accessory Male Reproductive Organs Flashcards
What this be?
Efferent ductule
What are the five functions of epididymis?
Sperm maturation, sperm storage, sperm disposal, absorption, secretion
What is the normal ejaculate sperm load?
40 x 106 sperm
What this be?
BPH
What percentage of sperm is nonmotile?
40%
What are the three muscular layers of the vas deferens?
Inner/outer: longitudinal
Middle: Circular
What are the five steps that allow a sperm to penetrate an ovum?
What are the four tubes after the seminiferous tubule?
Tubuli recti, rete testis, efferent ductules, epididymis
ID
Top left: Rete testis
Other 2: Efferent ductule
Identify cell types in epididymis
Three sections of epididymis?
Head, body, tail
What is responsible for liquification of ejaculate?
Proteolytic enzymes from prostate
Inability to gain or maintain an erection
ED
What type of nervous stimulation leads to erections?
Parasympathetic
Who is at risk for BPH?
Non-asian men over 80
What are prostatic concretions?
Whirls of concretions (calcified)
What is the name for the periurethral gland?
Glands of Lettre
What race is most at risk for prostate cancer?
AAs (the blacks - Cooper didn’t want you to confuse it for asain american)
What occurs in 40% of patients who have vasectomy?
Spermatic granulomas
Vasvasotomy: what is it?
Reversal of vasectomy
What is important about the periurethral zone (transition)?
Site of benign prostate hypertrophy
What are the four characteristics of the seminal vesicle secretions to know?
Fructose, prostaglandins, proteins responsible for semen coagulation, slightly alkaline pH
What these be?
Prostatic concretions
What transforms ejaculate from a liquid to a semisolid? What produces it?
Protein kinase; Seminal vesicle
Third most common cause of cancer death in US males?
Prostate carcinoma
Name the gland. Responsible for pre-ejaculation (dat pre-cum)
bulbourethral gland (Cowper’s)
Where does your ejaculate go during retroejaculation?
Into the urinary bladder (i.e. self-impregnation)
What are the two main treatments of BPH?
Alpha1-adrenergic receptor inhibitors
Inhibitors of 5 alpha-reductace type 2
What are some of the different sperm morphologies?
Identify
Describe the stages of innervation during erection and ejaculation
What are the steps of fertilization?
What are the important prostate secretions?
Prostatic acid phosphatase (PAP), prostate specific antigen (PSA), spermin, fibrinolysin
Important about peripheral zone of the prostate?
Prostate Cancer!
What this be?
Prostate gland
Define normozoospermia, oligiozoospermia, asthenozoospermia, teratozoospermia, azoospermia, aspermia.
Where are sperm with fertilizing capabilities found?
Cauda (tail) of epididymis
What % of sperm is found in its normal form?
15%
What has a “star shaped” lumen?
The Efferent Ductules
Does vasectomy effect hormonal levels?
No
Name the zones of the prostate and important characteristics!!
Peripheral: Prostate cancer
Transition: BPH
What this be?
Seminal vesicle
