Animal / Dairy Science 434 - PowerPoint PPT Presentation

Animal dairy science 434 l.jpg
Download
1 / 44

  • 278 Views
  • Uploaded on
  • Presentation posted in: Pets / Animals

Animal / Dairy Science 434. Lec 4: Comparative Male Anatomy. Testis. SpeciesTestis Wt. % OfOrientation (grams) Body Wt. bull 300+.03 vertical ram 250.3 vertical boar 350.2 oblique stallion 200.03 horizontal dog 25.2 oblique

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

Download Presentation

Animal / Dairy Science 434

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Animal dairy science 434 l.jpg

Animal / Dairy Science 434

Lec 4: Comparative Male Anatomy


Testis l.jpg

Testis

SpeciesTestis Wt. % OfOrientation

(grams) Body Wt.

bull 300+.03 vertical

ram 250.3 vertical

boar 350.2 oblique

stallion 200.03 horizontal

dog 25.2 oblique

rabbit 2.5.1 vertical

human 25.03 vertical


Reproductive organs of the bull l.jpg

Reproductive Organs of the Bull

Prostate

Rectum

Cowpers Gland

Seminal Vesicles

Ampulla

Bladder

Retractor Penis

Muscle

Vas Deferens

Glans

Penis

Sigmoid

Flexure

Caput Epididymis

Scrotum

Prepuce

Testis

Cauda Epididymis

Gubernaculum


Reproductive organs of the bull4 l.jpg

Reproductive Organs of the Bull

Vertical


Slide5 l.jpg

Ram

Vertical


Slide6 l.jpg

Boar

Oblique


Slide7 l.jpg

Dog

Oblique


Slide8 l.jpg

Horizontal

Stallion


Human l.jpg

Human

Vertical


Testis orientation l.jpg

Testis Orientation

Bull

Tail

Head


Testis11 l.jpg

Testis

SpeciesTestis Wt. % OfOrientation

(grams) Body Wt.

bull 300+.03 vertical

ram 250.3 vertical

boar 350.2 oblique

stallion 200.03 horizontal

dog 25.2 oblique

rabbit 2.5.1 vertical

human 25.03 vertical


Slide13 l.jpg

Ram

SeminalVesicles

Pelvic Urethral Muscle

Cowper’sGland

Ampulla

Prostate

Bladder

Vas Deferens

BulbospongiosusMuscle

No Body of the Prostate


Slide14 l.jpg

Cowper’s Gland

SeminalVesicles

Prostate

No Ampulla

Large Cowper’s

Vas Deferens

BulbospongiosusMuscle

Pelvic Urethral Muscle


Slide15 l.jpg

Prostate

Cowper’s Gland

SeminalVesicles

Ampulla

BulbospongiosusMuscle

No Disseminate

Prostate

Pelvic Urethral Muscle

Vas Deferens


Human16 l.jpg

Human

No Disseminate

Prostate


Dog pelvic tract l.jpg

Dog Pelvic Tract

No Seminal Vesicles or Disseminate Prostate

Pelvic Urethral Muscle

Prostate

Bladder

Vas Deferens

Bulbospongiosus

Muscle


Cat tom reproductive tract l.jpg

Cat (Tom) Reproductive Tract

Cowper’s Gland

Vas Deferens

Prostate

Corpus Cavernosum

Glans Penis

Crus Penis

Ampulla

No Seminal Vesicles or Disseminate Prostate


Cat tom reproductive tract20 l.jpg

Cat (Tom) Reproductive Tract

Note how close the cowper’s gland is to the penis in the cat.


Cat glans penis l.jpg

Cat Glans Penis


Feline anatomy erection and mating l.jpg

Feline Anatomy: Erection and Mating


Accessory glands l.jpg

Accessory Glands

SpeciesSeminal ProstateCowper's

Vesiclesbodydisseminate

bull ++ + + +

ram + - + ++

boar +++ + ++++

stallion +++ ++ - (+) +

dog - ++ - -

Cat - ++ - ++

human + ++ - +


Accessory gland secretions l.jpg

Accessory Gland Secretions

Gel

Gel

Clot Enzyme

Clot


Penis types l.jpg

Penis Types

Muscular-Vascular

Fibroelastic


Human penis cross section l.jpg

Human Penis Cross Section

Blood Vessels

Corpus Cavernosum

Large Veins

Urethra

Corpus Spongiosum


Slide27 l.jpg

Internal

Prepuce

Urethral

Process

Stallion

Raphe

Bull

Glans

Penis

Free End of Penis

Human

Filiform

Appendage

Ram

Cat

Boar


Comparison of penis types l.jpg

Comparison of Penis Types


Human29 l.jpg

Human


Sigmoid flexure l.jpg

Sigmoid Flexure

Boar

Bull

Fibroelastic Penis


Muscular vascular penis type l.jpg

Muscular-Vascular Penis Type

Stallion


The penis l.jpg

The Penis


Erection and ejaculation characteristics l.jpg

Erection and Ejaculation Characteristics

SpeciesSpeed ofEjaculateSemenSpermSpermErectionTimeVolumeConc.Number

bullrapidshortmediummedium-mediumhigh

ramrapidshortsmallhighmedium

boarrapidlonglargelowhigh

stallionslowmoderatelargelowmedium

dogslowlonglargelowlow

humanslowmoderatemediumlowlow

Large Testes = high sperm numbers

Large accessory glands = large volume of the ejaculate with lower

concentration of sperm


Slide34 l.jpg

Sertoli Cells

Leydig Cells

Seminiferous

Tubule

Primary

Spermatocyte

Spermatogonium

  • Support spermatogenesis

Myoid Cells

Secondary

Spermatocyte

  • Testosterone synthesis

Round Spermatids

Spermatids

Basement

Membrane

Capillary


Slide35 l.jpg

Seminiferous Tubules


Slide36 l.jpg

Seminiferous Tubule


Slide37 l.jpg

Sertoli Cell

Sertoli Cell


Slide38 l.jpg

Interstitial Tissue (space)

Capillary

Leydig Cell


Slide39 l.jpg

Capillary

Leydig

Cells


Slide41 l.jpg

Epididymis

Basal Cell

Stereo-Cillia

Principal Cell


Slide42 l.jpg

Cauda Epididymis near Vas Deferens


Slide43 l.jpg

Sperm

Smooth Muscle

Vas Deferens


  • Login