Gamete development Flashcards
Where do the sperm develop?
Seminiferous tubules
Where do sperm from the seminiferous tubules drain?
Rete testis,
Head of epididymis
Tail of epididymis
Epididymis becomes the vas deferens
What muscle allows the scrotum to become smaller when it’s cold?
Dartos muscle
What is the arterial supply of the testicle?
Testicular artery
What is the venous drainage of the testicle?
Pampiniform venous plexus
What structures travel within the spermatic cord?
Vas deferens
Testicular artery
Pampiniform venous plexus
What does the round ligament of the uterus do?
Attaches the uterus to the perineum
Where does the vesico-uterine pouch lie?
Between the bladder and the uterus
What does the broad ligament of the uterus do?
Suspends the uterus, uterine tube and ovary from the lateral wall of the pelvic cavity
What are the three layers of the uterus?
Perimetrium
Myometrium
Endometrium
Where in the uterus does fertilisation of the ovum take place?
The ampulla
Which structure gathers in the ovum released from the ovary?W
Fimbrae
They gather in the egg and pass it into the infundibulum of the uterine tube
Where does the implantation of the zygote usually occur?
The body of the uterus
What is an ectopic pregnancy?
A pregnancy where the fertilised egg implants outwith the uterine cavity
Which endocrine gland plays an important role in the secretion of reproductive hormones?
Pituitary
Which structure produces seminal fluid?
Seminal gland
What structure does the vas deferens join with?
Duct from a seminal gland
What structure does the joining of the vas deferens and a duct from a seminal gland form?
Ejaculatory duct
Which structure does the left and right ejaculatory gland open into?
The prostatic part of the urethra within the prostate gland
Which structure lies directly inferior to the bladder in males?
Prostate gland
What happens to the three cylinders of erectile tissue to allow erection?
Become engorged with blood
Where does the urethra open?
The external urethral meatus of the penis
What are the two posterior cylinders of erectile tissue?
Left & right corpus cavernosum
What is the function of the left and right corpus cavernosum?
Transmit the deep arteries of the penis
What is the anterior cylinder of erectile tissue?
Corpus spongiosum
What is the purpose of the corpus spongiosum?
Transmits the ureter
Expands distally to form the glans
