Dr. May Histology Flashcards
Seminiferous tubules
seminiferous tubules?
- Fxn:
- provide duct for sperm leaving testis to epididymis
- Lots of tubes
- spermatocytes-inside tube
- Spermatagonia
- border of tube
- Sertoli cells
- Leydig/Interstitial cells
Sertoli Cells
- Found in Seminiferous tubules
- Support and noursih developing spermatozoa
- make androgen binding protein (ABP) to hold testosterone nearby
Leydig Cells
- Found in seminiferous tubules
- b/w tubes
- Bind to LH
- secrete testosterone (male sex hormone)
Identify total structure
Seminiferous tubules
What is the middle arrow referring to?
Spermatogonia in Seminiferous tubule
What is the bottom arrow referring to?
Spermatocytes in seminiferous tubule
Identify structure in left field of view
sertoli cells
Identify structure in the center field of view?
Leydig cells in seminiferous tubules
(aka interstitium cells)
What is the arrow referring to?
Leydig cells of seminiferous tubule
Label 1-6
Efferent ductule: Histo
- Scalloped!
- Epididymis has stereocilia in lUmen!
- Tall ciliated columnar or low cuboidal epithelium
- Low cuboidal cells-absorb testicular fluid
- Cilia-move sperm
Identify
Efferent Duct
- scalloped
- no stereocilia (epididymis)
Epididymis
- 3 parts:
- Head
- Body
- Tail
- Pseudostratified columnar epithelium
- STEREOCILIA
- so not eferent duct
- Circular smooth muscle
- might have bullet shaped heads in lumen
Identify
- Epididymis
- not scalloped
- bullets in lumen or stereocilia
- pseudostratified colunar epithelium
Identify
Efferent Ductule
- Scalloped
- no stereocilia
Identify
- Epididymis
- stereocilia
- no scalloped
Identify
Vas Deferens
thick layer of smooth muscle (3 layers)
Vas Deferens: Histo
- Pseudostratified columnar epithelium + Thick SM layer
- 3 layers
- outer=longitduintal SM
- middle=circular SM
- inner=longitudinal SM
- 3 layers
Identify
Prostatic Urethra
SMILEY FACE
Prostatic Uretha
Smiley Face!
Identify:
Prostatic urethra
(smiley face or corpora amylacea)
Identify
Penile Urethra
- 2x corpus cavernosum
- 1x corpus spongiosum
Seminal Vesicle: Fxn
- Primary producer of semen (60-70%)
- alkaline viscous fluid
- fructose rich
- contains
- citrate
- prostaglandins
- proteijns for coagulation of semen
Identify:
Seminal Vesicle
What is circled
Seminal Vesicle
What is circled?
Prostate gland
Identify?
Prostate gland
Identify?
Bulbourethral gland
Bulbourethral gland
- superior to perineal membrane
- embedded in urethral sphincter
- openbs into spongy urethra
- mucus like secretions
- lubricate urethra
- protect semen
Prosstate Function
- Secondary Producer of Semen (30-35%)
- alkaline seminal fluid
- PSA
- prostate specific antigen
- anti-coagulant
- Filter toxins
- Control urine release and flow
- DHT
Identify?
Broad Ligament
Identify?
Round ligament of the uterus
Identify
Primordial Follicle
Identify?
Unilaminar Primary Follicle
Identify?
Multilaminar Primary Follicle
Identify?
Secondary Follicle
Identify
Secondary Follicle
Identify?
Graafian Follicle
Identify?
Corpus Luteum
Identify?
Corpus Luteum
Identify?
Corpus Albicans
Uterine Tube
- 3 sections:
- Ishmus
- smallet lumen
- Most SM
- Ampulla
- medium lumen
- more SM layer
- Infundibulum
- largest lumen
- lots of folds
- Ishmus
- 3 layers:
- endometrium (inner)
- myometrium
- perimetrium (outer)
Identify?
- Proliferative phase of endometrium
- 1st half of cycle
- ovary=follicular phase
Identify?
- Secretory phase of endometrium
- 2nd half of cycle
- ovary=Luteal phase
Identify?
Cervix
Cervix
- Endocervix
- simple columnar
- Ectocervix
- stratified squamous
- covers vaginal surface
- Transition:
- inside cervical canal
Identify?
Vagina
Identify?
Seminal Vesicle
Identify?
Utereus:
endometrius
myometrius
perimetrius
