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Gross Anatomy Reproductive System 1 Harold J. Sheedlo, Ph.D. Department of Cell Biology and Genetics.

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Presentation on theme: "Gross Anatomy Reproductive System 1 Harold J. Sheedlo, Ph.D. Department of Cell Biology and Genetics."— Presentation transcript:

1 Gross Anatomy Reproductive System 1 Harold J. Sheedlo, Ph.D. Department of Cell Biology and Genetics

2 Arteries of Pelvis and Perineum  Abdominal Aorta  Common iliac arteries (L4)  External iliac artery  Inferior epigastric artery  Deep circumflex iliac artery

3 Arteries of Pelvis and Perineum  Abdominal Aorta  Common iliac arteries  Internal iliac artery  Posterior division  Iliolumbar artery  Superior gluteal artery  Lateral sacral arteries

4 Arteries of Pelvis and Perineum  Internal iliac artery  Anterior division  Obturator artery  Umbilical artery  Vaginal/uterine artery  Inferior vesical artery  Middle rectal artery  Internal pudendal artery  Inferior gluteal artery

5 Muscles of Pelvis  Piriformis muscle  Obturator internus muscle  Coccygeus muscle  Levator ani muscles  Iliococcygeus muscle  Pubococcygeus muscle  Puborectalis muscle

6 Muscles of Perineum  Ischiocavernosus muscle  Bulbospongiosus muscle  Sphincter urethrae muscle  Deep transverse perineal muscle  Superficial transverse perineal muscle

7 Ligaments of Pelvis  Sacrotuberous ligament  Sacrospinous ligament  Suspensory ligament of ovary  Proper ligament of ovary  Broad ligament  Mesometrium  Mesovarium  Mesosalpinx

8 Ligaments of Pelvis  Round ligament of uterus  Cardinal ligament - uterine vessels

9 Nerves of Pelvis and Perineum  Lumbosacral trunk (L4, L5)  Sacral plexus - ventral rami of S1, S2, S3 and S4  Pudendal nerve (S2, S3, S4)  Perineal nerve  Inferior rectal nerve  Dorsal nerve of clitoris or penis  Obturator nerve (L3, L4)  Inferior gluteal nerve (L5, S1, S2)  Superior gluteal nerve (L4, L5, S1)

10 Veins of Pelvis and Perineum  Inferior vena cava (L5)  Common iliac veins  Internal iliac veins  External iliac veins (femoral vein)  Testicular or ovarian veins (left or right)

11 Female Organs  Infundibulum of uterine tube  Fimbriae  Ampulla of uterine tube  Isthmus of uterine tube  Uterine part  Uterus  Fundus  Body  Internal os

12 Female Organs  Cervix  Internal os  External os  Vagina  Fornices  Vestibule  Vulva

13 Male Organs  Scrotum  Skin  Superficial (Dartos’) fascia  External spermatic fascia  Cremaster muscle  Internal spermatic fascia  Testis  Tunica vaginalis - parietal and visceral layers  Epididymis  Tunica albuginea - seminiferous tubules

14 Male Organs  Ductus (vas) deferens  Seminal vesicles  Prostate  Ejaculatory ducts  Lobes  Middle - benign prostatic hypertrophy (BPH)  Posterior - cancer prone

15 Male Organs  Corpus caverosum (corpora cavernosa)  Corpus spongiosum  Prostatic urethra  Membranous urethra  Spongy urethra

16 Male and Female Pelvis  Sacrum  Ischial tuberosities  Shape of pelvic inlet  Pelvic inlet to pelvic outlet  Pubic arch  Size of pelvic cavity

17 Perineum  Boundaries  Anal triangle  Urogenital triangle

18 Urinary Bladder  Posterior of retropubic space  Apex is anterior  Ureters enter bladder posteroinferior  Trigone - orifices of ureters and uvula of bladder  Interureteric crest  Vesicouterine pouch - female  Rectovesical pouch - male

19 Rectum  Arterial supply  Superior rectal artery  Middle and inferior rectal arteries  Venous drainage  Superior rectal vein  Middle and inferior rectal veins

20 Anus  Anal columns  Anal valves  Pectinate line  Upper half and lower half of anal canal joins  Differences  Epithelium (SCE, SSE)  Anal columns  Nervous innervation  Arterial supply (SRA, IRA)  Venous drainage (SRV, IRV)  Lymphatic drainage

21 Examinations  Rectal examination  Male - prostate, seminal vesicle  Female - cervix  Bimanual examination in female  Uterus  Uterine tube  Ovary

22 Clinical  Hemorrhoids  Internal - srv  External - irv  Hysterectomy  Uterine artery  Ureter  Vasectomy  Episiotomy  Pudendal nerve block

23 Practical Examination  25 gross anatomy and 10 histology  Gross anatomy  1 x-ray (computer)  1 cross section (computer)  9 second order

24 Practical Examination  Gross anatomy  3 arteries  2 nerves  3 veins  8 structures or organs  4 regions  1 muscle  2 bones

25 Practical Examination  Gross anatomy  7 female structures  6 first order  1 second order  7 male structures  4 first order  3 second order  Histology (computer)  5 female and 5 male  5 first order  5 second order


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