Midterm 4 Material

Midterm 4 Material - Material for Midterm 4 11/15/10 Male...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Material for Midterm 4 11/15/10 Male reproduction system Gonads Testes Held in the scrotum Has a layer of skin around it Deep to the skin there is a darto muscle Smooth muscle Spermatic cord Has outer layer of connective tissue Deep to connective tissue there is the cremaster muscle Skeletal muscle, but involuntary Pampiniform plexus Collection of veins Testicular artery Vas deferens artery External spermatic artery The veins wrap around these three arteries Vas deferens (Ductus deferens) Testicle Has a double layered serous membrane Called tunica vaginalis Deep to tunic vaginalis is the tunica albiginea Fibrous connective tissue layer Has projections called septum Forms a compartment Filled with 1-3 (or more on occasion) seminiferous tubules Seminiferous tubules connect up with the tubulus rectus Seminiferous tubules tubulus rectus rete testis efferent ductules (straight tubules) Straight tubules become convoluted Become coni vasculosi (lobules) Forms the head of the epididymis Ductus epididymis is 4-6 meters long when stretched out As soon as epididymis reaches tail and then turns around, it becomes the vas deferens 2 Vas deferens Very convoluted at start Straightens out by the time it gets to the spermatic cord Proceeds into the inguinal canal (under the inguinal ligament) Goes anterior to the pubis bone Goes over top of bladder and down the backside of bladder It increases in size when it reaches bottom of bladder Called the ampulla of vas deferens 2 Seminal vescicles
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 ejaculatory ducts Flow into the prostatic urethra Prostate gland Empty into the prostatic urethra Bulbourethral gland (cowper’s gland) Male urethra Split into three parts Prostatic (posterior) Intermediate Spongy (anterior) Corpora cavernosa Sponge like tissue that contains most of the blood during an erection Becomes hard Corpora spongiosum Enlargens but doesn’t harden during an erection End of penis Called glans Foreskin Frenulum Corona End of glans on posterior side Tysons glands Secrete smegma Seminiferous tubules on microscopic scale Sertoli cells Support sperm as they are created Women Ovaries Ovarian fossa Ovary lies in this pre-pregnancy Moves out of this area permanently after pregnancy Germinal epithelium Tunica albuginea Delicate connective tissue As more ovulations occur, it becomes more fibrous (tougher) Cortex Contains follicles Primordial follicles A spindle shaped granulosa cell Has a single layer Basal lamina Primary follicle Matured primordial follicle Become cuboidal granulosa cell
Background image of page 2
Oocyte Zona pellucida Grows around oocyte Glycoprotein layer ZP-1, ZP-2, ZP-3 2 and 3 are perpendicular to the oocyte’s surface 1 is parallel to oocyte’s surface Corona radiata Layer that sits over zona pellucida and connects to the oocyte Secondary Follicle As soon as a second layer appears, primary becomes a secondary Oocyte continues to grow Volume grows to be 100 times greater than original Around 35micrometer to 130millimeter Theca folliculi Not functional at this point
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/23/2011 for the course BIO 201 taught by Professor Dietsche during the Fall '10 term at Rochester.

Page1 / 22

Midterm 4 Material - Material for Midterm 4 11/15/10 Male...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online