The Drost Project The Drost Project
guides
search
information
bibliography
sponsors
help
about
The Visual Guide to Equine Reproduction
  
Female Reproductive System
    Ovaries
      Ovulation Fossa.
      Ovulatory Follicle.
      Graafian Follicle.
      Fresh Ovulation.
      Recent Ovulation < 6 hours.
      Recent Ovulation < 24 hours.
      Corpus Luteum.
      Large Fimbrial Cyst.
      Fimbrial Cysts.
      Ovarian Varicose Veins.
      Venous Varicoses.
      Pyometra.
      Granulosa Cell Tumor.
      GCT Surgically Removed.
      GCT Cross Section.
      Serous Cystadenoma.
      Cystadenoma.
      Cystadenoma.
      Fetal Ovaries.
    Uterus
      Normal Mare Tract.
      Normal Uterus.
      Broad Ligament.
      Metestrous Uterus.
      Dilated Lymphatic.
      Uterine Culture Instruments 1.
      Uterine Culture Instruments 2.
      Uterine Culture Instruments 3.
      Uterine Culture Instruments 4.
      Kalayjian Culture Instrument.
      After Withdrawal.
      Removal of the Small Cap.
      Small Cap Placed on Slide.
      Drop of Uterine Fluid Poured onto Slide.
      Uterine Fluid Placed on Slide.
      Staining Solutions.
      Raft of Epithelial Cells.
      Neutrophils.
      Close-up of Neutrophils.
      Methylene Blue is Added.
      Placement of a Cover Slip.
      Sample Collection 1 A.
      Sample Collection 2 A.
      Sample Collection 3 A.
      Sample Collection 1 B.
      Sample Collection 2 B.
      Sample Collection 3 B.
      Streaking the Culture Plate.
      Pseudomonas aeruginosa.
      Bacillus streptococcus.
      Klebsiella pneumoniae.
      Uterine Biopsy Instrument.
      Introduction of the Biopsy Instrument.
      Obtaining a Biopsy Specimen.
      Specimen Obtained.
      Biopsy Site.
      Biopsy Site - Close-up.
      Specimen Ready for Bouin's Solution.
      Transfer to the Bouin's Solution.
      Specimen Transferred Bouin's Solution.
      Normal Glandular Density.
      Good Glandular Density.
      Moderate Inflammation.
      Periglandular Fibrosis.
      Cystic Glandular Degeneration.
      Diffuse Inflammation.
      Lymphatic Lacunae.
      Low Glandular Density.
      Hematoma in the Broad Ligament.
      Pyometra.
      Pyometra.
      Mucometra.
      Cystic Endometrial Hyperplasia.
      Endometrial Hyperplasia.
    Cervix
      Normal Cervix.
      Diestrous Cervix.
      Anestrous Cervix.
      Leiomyoma.
      Squamous Cell Carcinoma.
    Vagina
      Perineal Conformation.
      Normal Perineal Conformation.
      Persistent Hymen.
      Pelvic Floor.
      Vulvovaginal Sphincter.
      Clean-up for Vaginoscopy.
      Insertion of the Tube Speculum.
      Tube Speculum Inserted.
      Caslick Speculum.
      Caslick Speculum in Place.
      Vaginoscopy.
      Vaginitis.
      View of an Anestrous Cervix.
      View of an Estrous Cervix.
      Checking for Pneumovagina.
      Abnormal Perineal Confirmation.
      Sunken-in Anus.
      Vaginal Endoscopy.
      Intrauterine Urine Pooling.
      Urine Pooling in the Uterus.
      Perianal Abscess.
      Prolapsed Vagina and Rectum.
    Vulva
      Prolapse of the Clitoris.
      Coital Vesicular Exanthema.
      Vulvar Insufficiency.
      Vestibular Varicosity.
      Windsucker.
      Pneumovagina.
      Caslick Operation.
      Caslick Operation.
  
Reproductive Management
    Restraint
      Simple Restraint.
  
Pregnancy
    Conceptus
      Fetal Ovaries.
      Embryo - 30 Days.
      Embryo - 35 Days.
      Fetus - 95 Days.
      Fetal Filly - 120 Days.
      Fetal Filly - 120 Days.
      Fetus - 5 Months Old.
    Diagnosis
      Gravid Uterus - 60 Days.
      Gravid Uterus - 3 Months.
      Pregnant Uterus - 120 Days.
      Gravid Uterus - 5 Months.
      Gravid Uterus - 150 Days.
      Gravid Uterus - 10 Months.
      215 - Day Fetus.
  
Placenta
    Normal Placenta
      Chorioallantoic Pouches.
      Chorioallantoic Pouches.
      Cervical Star.
      Delivery of the Placenta.
    Abnormal Placenta
      Premature Placental Separation.
      Twin Placentas.
      Expulsion of the Placenta.
      Retained Placenta.
      Retained Placenta.
      Necrotic Placenta.
      Necrotic Amnion.
      Mycotic Placentitis.
      Large Allantoic Cyst.
      Allantoic Cyst.
      Peduncluated Allantoic Cyst.
  
Obstetrics
    Parturition
      Waxing of the Teats.
      Foaling Sequence 1.
      Foaling Sequence 2.
      Foaling Sequence 3.
      Foaling Sequence 4
      Foaling Sequence 5.
      Foaling Sequence 6.
      Foaling Sequence 7.
      Foaling Sequence 8.
      Foaling Sequence 9.
      Foaling Sequence 10.
      Beginning of Stage 2.
      Amnion Showing.
      Limb Showing.
      Head Out.
      Rupture of the Chorioallantois.
      Delivery of the Placenta.
      Dystocia.
      Dry Fetus.
      Retained Placenta.
      Ventral Abdominal Hernia.
      Abdominal Edema.
      Excessive Edema.
      Circulation Disrupted.
      Transudate.
    Presentation
      Normal Anterior Presentation.
      Transverse Ventral Presentation.
      Transverse Dorsal Presentation.
      Mutation.
      Dorsopubic Position.
      Dorsopubic Position.
      True Breech.
      Dogsitting.
      Dogsitting Presentation.
      Nape Position.
    Injuries to the Foal
      Fractured Ribs.
      Neonatal Isoerythrolysis.
      Torsion of the Umbilical Cord.
      Strangulation of the Umbilical Cord.
      Strangulation of the Amnion.
    Cesarean Section
      Mare after C-section.
      Ventro-lateral Incision.
    Fetotomy
      Resolution of True Breech.
      Correction of Retained Head.
    Twinning
      Premature Twins.
      Macerating Twin.
      Mummy, Twin to Normal Foal.
      Normal Foal, Twin to Mummy.
      Twin Mummy.
      Aborted Third Trimester Twins.
    Prolapsed Uterus
      Prolapsed Uterus.
  
Postpartum Care
    Vaginal Trauma
      Third-degree Perineal Laceration.
      Third-degree Perineal Laceration.
      Recto-vaginal Fistula.
      Recto-vaginal Fistula.
      Recto-vaginal Perforation.
      Recto-vaginal Perforation.
      Gillflirter.
  
Accidents of Gestation
    Strangulated Umbilicus
      Torsion of the Umbilical Cord.
    Prolapsed Vagina
      Prolapsed Vagina and Rectum.
    Prolapse of the Cervix
      Leiomyoma of the Cervix.
    Ventral Hernia
      Ventral Abdominal Hernia.
    Hydrops Allantois
      Hydrops Allantois.
      Hydrops Allantois.
    Mummification
      Mummy, Twin to Normal Foal.
      Normal Foal, Twin to Mummy.
      Mummy.
      Twin Mummy.
      Premature Foal and Twin Mummy.
    Maceration
      Macerated Fetus.
      Macerating Fetus.
  
Teratology
    Fetal Monster
      Two Headed Monster.
      Fetal Monster.
    Congenital Anomalies
      Neonatal Isoerythrolysis.
      Male Pseudohermaphrodite.
      True Hermaphrodite.
      Epitheliogenesis Imperfecta.
      Deformed Shetland Foal.
      Birth Defects.
      Severely Contracted Tendons.
  
Abortion
    Infectious Abortion
      Rhinopneumonitis.
    Noninfectious Abortion
      Torsion of the Umbilical Cord.
      Torsion of the Umbilical Cord.
      Aborted Triplets.
  
Male Reproductive System
    Testis and Epididymis
      Testicular Volume.
      Interstitial Cell Tumor.
      Appendix Testis.
      Retained Testis.
      Testicular Torsion.
      Testicular Fibrosis.
      Seminoma.
      Strongyle Larva.
    Scrotum
      Scrotal Edema.
    Accessory Sex Glands
      Male Reproductive Tract.
      Bulbo-Urethral Glands.
      Colliculus Seminalis.
    Penis
      Washing the Penis.
      Urethral Process.
      Swabbing the Urethral Diverticulum.
      Keratinization of the Penis.
      Prolapse and Edema of the Penis.
      Erythema of the Penis.
    Prepuce
      Habronemiasis.
      Squamous Cell Carcinoma.
    Semen
      Cool Shipped Semen.
      Sample for Sperm count.
      Warming Tray.
      Staining for Morphology.
      Microscopic Evaluation.
      Sperm Count.
      Primordial Cells and Abaxial Tails.
    Breeding Soundness Evaluation
      Scrotal Width.
      Semen Collection.
      Artificial Vagina.
      Semen Pouch.
      Lubrication.
      Stallion Mounting the Phantom.
      Intromission.
  
Reproductive Technology
    Ultrasonography
      Granulosa Cell Tumor.
      GCT - Contralateral Ovary.
      Ovarian Hematoma.
      Day 120 Male Fetus.
      Combined Utero-Placental Thickness.
      Day 120 Female Fetus.
      Normal Day 40 Embryo.
      Hyperechoic Clitoris.
    Embryo Transfer
      Stocks.
      Preparation of the Donor.
      Placement of the Flushing Catheter.
      Collection of the Effluent.
      Use of the Embryo Filter.
      Preparation of the Recipient.
      Embryo Recovery Supplies.
      Embryo Filter.
      Stab Incision.
      Puncture Site.
      Testing of the Stab Incision.
    Embryos
      Day 2, 8-cell Embryo.
      Day 4, Morula.
      Expanding Blastocyst.
      Day 7, Expanded Blastocyst.
      Day 8+, Expanded Blastocyst.
      Unfertilized Ovum.
      Day 7 Blastocysts.
      Day 20 Embryo.
      Degenerating Embryo.
      Degenerating 8-cell Embryo.
      Early Degenerating Embryo.
  
General Images
    Miscellaneous
      Shetland Mule Foal.