PreTest Review Flashcards
The sex cords which contain epithelia, connective tissue, and smooth muscle come from what layer?
Intermediate mesoderm
What give rise to the epithelia of distal organs of the reproductive system and external genitalia?
Endoderm of the urogenital sinus
Germ cells migrate from where and are located where by week 6?
Yolk sac endoderm into the indifferent sex cords of the Urogenital ridge
In males, the Urogenital sinus endoderm gives rise to epithelia of what?
Urethra, prostate, and bulbourethral glands
In female, the endoderm of the urogenital sinus gives rise to what?
Epithelium of the lower vagina
The paramesonephric ducts give rise to what in female?
Upper portion of the vagina
The fetal portion of the placent forms from the?
Trophoblast
What are syncytiotrophoblast cells?
Cells in direct contact with maternal tissue
The embryo is separated from the cytotrophoblast via what?
Extraembryonic mesoderm
What is a primary villus?
Syncytiotrophoblast with cytotrophoblast core
What is a secondary villus?
Cytotrophoblast core invaded by extraembryonic mesoderm
What is a tertiary villus?
Fetal blood vessels invade the mesoderm
The wall of the allantonis forms into what?
The umbilical blood vessels
What is the lineage of Spermatogenesis?
Spermatogonia - primary spermatocytes - secondary spematocytes - (completion of meiosis) - spermatids -(spermiogenesis) - mature sperm
What are some of the functions of the Sertoli cells?
Maintenance of the blood-testis barrier Phagocytosis Secretion of ABP Inhibin Mullerian inhibiting hormone
The seminal vesicles do what?
Produce fructose and other molecules that activate spermatozoa
What does the prostate do?
It is a fibromuscular junction that produces the enzymes responsible for the liquefaction of the ejactulate
The proliferative phase of the menstrual cycle is under the control of what?
FSH
The secretory phase of the menstrual cycle is under the control of what?
LH
What is the OB conjugate vs diagonal?
OB - inside of pubic symphysis Diagonal - inferior aspect of pubic symphysis
What is the parasympathetic stimulation of the male erection?
Cavernous nerves and prostatic plexus (from pelvic splanchnic)
What do Sertoli cells secrete?
AMH, Transferrin, Ceruloplasmin, inhibin, ABP
What treats Stress incontinence?
alpha-adrenergic agonist to increase SM contraction
AGONIST
What is the treatment of overactive bladder?
Anti-Muscarinic B3 to decrease parasympathetic Anti-cholinergic
When is the gonadal sex determined? Phenotypic?
Gonad - 6th Pheno - 7th
Where are the 3 locations a kidney stone can lodge?
UPJ, UVJ, and pelvic brim
What are antagonist of GnRH in males?
GABA, dopamine, IL-1, prolactin, and Beta endorphin
What are the KNDy?
Kisspeptin and Neurokinin - Positive GnRH Dynorphin - Neg
What are the characterisitics of Malakoplakia?
Michaelis-Gutman bodies, decreased phagocyte function, and Chronic bacterial infection?
Chondyloma lata?
Syphilis
Chondyloma acuminatum?
HPV
Gleason Grading?
Prostatic adenocarcinoma
Kellogg spladt model of female arousal?
Desire isnt a factor until right before the O
Wexner score is for what?
Fecal incontinence
Psamomma bodies are what type of surface epithelial?
Serous cystadenocarcinoma
Characteristics of Thecoma?
Estrogen secreting and lipid laden
Characteristic of endometriosis?
Mulberry-Nodules
How can you tell if it is neonatal blood?
Nucleated RBCs
What transmits pain from the labia majora?
Round ligament
What are the TORCH infections?
TORCH infections are toxoplasmosis, rubella, cytomegalovirus, and herpes simplex virus with the O in TORCH stands for other which includes: coxsackie virus, syphilis, varicella-zoster, HIV, and parvovirus. We now know the “O” should also stand for ebloa virus and zika virus.
9 valent HPV is mainly to protect?
Females from cervical cancer
The cavernous nerve is ___ while the pudendal is ___?
Parasympathetic; sympathetic
Why is there an androgen peak in the second trimester?
To establish an external genitalia
Chancroid is caused by?
Haemophylius duceri
Polypoid cystitis
Indwelling catheter chronic infection
Follistatin?
Inhibits activin
Viagra is?
PDE5 inhibitor leading to increased cGMP
Ca-125 is an indicator?
Surface epithelial ovarian tumors
BRCA1 increases the risk of?
Medullary carcinoma
BRCA2 increases risk of?
Male breast cancer
Genital tubercle forms?
Glands of clitoris and penis
UG folds form?
Labia minora and body of the penis
OG groove forms?
Opening of the urethra (M+F) and vagina
Labioscrotal swelling forms?
Labia major and scrotum
What causes hypospadias?
Failure of the UG folds to fuse
What causes epispadias?
Incorrect positioning of the Genital tubercle
What increases GnRH in males?
Neuropeptide Y, Leptin and NE
What muscle is commonly injured in birthing?
Pubococcygeus
Straddle injury may cause bleeding where?
Superficial perineal space
Pathology associated with rectouterine fold?
Pregnant uterus can expand and cause lower back pain
Spermatogonia are dividing?
Mitotically
Spermatocytes are dividing?
Meiotically
Why are sperm genetically foreign?
Genetic recombination, haploid gene expression, and creation long after “immunological self” has been determined
Prolactin binding to Leydig cells does what?
Increases LH receptors
Angle by which the ureter enters bladder?
Oblique so it doesnt let pee back up
blastocele cavity becomes?
Yolk sac cavity
Fluid filled space between bilayer embryonic germ disc and trophoblast?
Amniotic cavity
What treats BPH?
Alpha adrenergic antagonist and 5 alpha reductase inhibitors
Development of the fetal testis from the bipotential gonad is under the control of what?
The SRY gene - no hormones involved
How does placental lactogen affect milk production?
Increases it
Why do granulosa cells secrete plaminogen and collagenase?
Allow for ovulation
What are the visceral fibers that mediate sensation of uterus fundus and body?
Travel along sympathetic path of the hypogastric and lumbar splanchnic (L1-L2)
Pain from the cervical neck of uterus is carried where?
Parasympathetic - Pelvic splanchnic - S2,3,4
Uterine prolapse is caused by?
Stretching of vaginal wall, cardinal and round ligament.
May include uterosacral ligament