University of Tehran Faculty of Veterinary Medicine Comparative
- Slides: 64
University of Tehran Faculty of Veterinary Medicine Comparative Anatomy of Urinary System By : Dr, N. Goodarzi Ph. D of veterinary anatomy
Urinary system • • Kidneys or Renes Ureters Urinary bladder Urethra
Function • • Urine production Balance of fluids and salt of body Osmotic blood pressure Recived 25% of cardiac output
Shape of kidney § Bean shaped in carnivores and small ruminant § Heart shaped in horse (right kidney) § Lobulate in OX
Topography of kidney q Sublumbar and Retroperitoneal organs q Right kidney lies more cranially in Dog and Horse q Left kidney lies caudal and ventral of right kidney in ruminant
q Surfaces : Dorsal s. Ventral s. q borders : Lateral b. Medial b. q Extrimity : Cranial Ext. Caudal Ext.
Renal Lobe q Cortex q Medulla q Renal sinus q Renal crest q Renal pelvis , Calix
Renal Pelvis q Renal Pelvis in horse has terminal recess q In carnivores is T shape q In small ruminanat is ؟ shape
Ureter q Extend from renal pelvis to the neck of urinary bladder q Abdominal part q Pelvic part
Urinary bladder q Apex q Body q Neck q Trigonum vesicae Ligaments of bladder : q Lateral ligament q Round ligament q Median ligamnet
Urethra In female : Internal urethral orifice Dorsally connect to the vagina Ventrally connected to the pelvic symphysis Urethralis External urethral orifice In male : Pelvic part Penile part
University of Tehran Faculty of Veterinary Medicine Comparative Anatomy of Female genital system By : Dr, N. Goodarzi Ph. D of veterinary anatomy
Female genital system q Ovaries q Tubular organs : Uterine tube or oviduct Uterus q Copulatory organ : Vagina Vestibul Vulva
Ovaries q In carnivores : Oval shape : , 1. 5 * 2 cm , sublumbar position , caudal of kidneys q In equine : Bean shape , 2*4 cm , sublumbar position , caudal of kidneys q In ruminant : Relatively small , 2 * 3 cm , pelvic inlet position
Ovaries q Broad ligament q Mesovarium q. Ovulation fossa in horse q Tubal end, suspensory lig. q uterine end, proper lig of ovary q. Ovaran bursa
Oviducts q Uterine tube , Fallopian tube , Salphinx q Infundibulum , abdominal opening q Ampulla q Isthmus q Mesosalphinx
Uterus q Uterine horn q Uterine body q Cervix
Uterus q Uterine Horn Straight in horse and carnivores , coiled in ruminant Intercornual ligament in ruminant
Uterus q Uterine Body Dog : 1 -3 cm , Cat : 1. 5 cm , Rum : 1 -3 cm , Horse : large
Uterus q Uterine Cervix Dog : very short , Horse : 6 -7 cm , Cow : 10 cm External and Internal uterine orifice Fornix vagina
Vagina , Vestibula q External urethral orifice q Hymen q Suburethral diverticulum in ruminant q vestibular bulb in carnivores and horse
VULVA q Right and left labia q Vulvar cleft q Dorsal commissure q Ventral commissure ( pointed)
University of Tehran Faculty of Veterinary Medicine Comparative Anatomy of Male genital system By : Dr, N. Goodarzi Ph. D of veterinary anatomy
Male genital system : q GONADS Testis q DUCTS seminiferous tubule , straight tubule , efferent duct , epididymis , ductus deferens , urethra q COPULATORY ORGAN q. ACCESSORY GENITAL GLANDS prostate , vesicular , bulbourethral glands
Testes q Extremity : Head extremity Tail extremity q Borders : Attached border(Epididymal border) Free border q Surfaces : Lateral s. Medial s.
Position of Testis Ruminant : dorsoventral Equine : craniocaudal Carnivores : oblique
Covering of Testes q Skin ( Scrotum , Scrotal Raphe) q Tunica Dartus ( Scrotal septum ) q Spermatic fasciae q Tunica vaginalis parietalis q Tunica vaginalis visceralis Vaginal cavity , Mesorchium , Mesofuniculum , Vaginal ring q Tunica alboginea q Cremaster muscle q Pampiniform plexus Spermatic cord : testicular a. , testicular v. , lymphatic vessel , nerves , mesofuniculum , dactus deferens
Ducts q Seminiferous tubules q Straight tubules q Mediastinum q Rete testis q Dactus efferent q Epididymis q Ductus deferens q Urethra
Ducts v Epididymis q head , body , tail q testicular bursa q ligament of tail of epididymis q Proper ligament of testis
Ducts v Position of Epididymis Large rum : medial Equi : dorsal Small rum : caudomedial Car: dorsolateral
Ducts q Ductus deferens q q Mesoductus deferens Ampulla of ductus deferens (absent in cat) Ejaculatory duct Colliculus seminalis q o
Copulatory Organ Root , body , free part
Copulatory Organ q Corpus Cavernosum Penis (C. C. P) Urethral groove q Corpus Spongiosum Penis (C. S. P) Bulb of penis q Corpus Spongiosum Glandis (C. S. G)
Type of penis q Fibroelastic : Ruminant q Vermiform process q Tuberculum Spongiosum
Type of penis q Musculocavernous : Carnivores & Equine
Type of penis q Musculocavernous : Carnivores & Equine q Bulbus glandis q Pars longa glandis q Os penis
Type of penis q Musculocavernous : Carnivores & Equine q Corona glandis q Column glandis q Fossa glandis q Urethral process q Urethral sinus
Prepuce q q External lamina Internal lamina Preputial orifice preputial ring in horse
Muscle of male genital system q Urethralis M. q Isciocavernosous M. q Bulospongiosous M. q Retractor penis M.
Accessory Genital Glands Vesicular Gland q Position : Dorsolateral to the neck of the bladder q In equine : Seminal vesicle
Accessory Genital Glands Vesicular Gland q Position : Dorsolateral to the neck of the bladder q In Large Ruminant : S shaped , uneven surface
Accessory Genital Glands Vesicular Gland q Position : Dorsolateral to the neck of the bladder q In Small Ruminant : round shape
Accessory Genital Glands Prostate Gland q Position : Dorsolateral to the neck of the bladder q In Carnivores: body , disseminate part right and left lobe , median groove
Accessory Genital Glands Prostate Gland q Position : Dorsal to the pelvic urethra q In Equine : body , right and left lobe , Isthmus
Accessory Genital Glands Prostate Gland q Position : Dorsol to the pelvic urethra q In Large Ruminant : small body , disseminate part right and left lobe ,
Accessory Genital Glands Bulourethral Gland q Position : Dorsolateral to the pelvic urethra q In Equine : club shaped 3 -4 excretory ducts
Accessory Genital Glands Bulourethral Gland q Position : Dorsolateral to the pelvic urethra q In Large Ruminant : club shaped one excretory ducts
Accessory Genital Glands Bulourethral Gland q Position : Dorsolateral to the pelvic urethra q In Small Ruminant : club shaped one excretory ducts
Blood supply to the penis Internal pudental a. Deep a. Bulbar a. Dorsal a. C. C. P C. S. P Free part In equine : Internal pudental a. Bulbar a. External pudental a. Dorsal a. Obturator a. Deep a.
- Dorsocranially
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