LASx Exam 1: Teaser, Vasectomy, Epididectomy, Castration, Equine Male Urogenital Surgery Flashcards
What is “teaser” surgery?
Making a male infertile in order to use him to identify
females in estrus
This is removed during vasectomy to make a male infertile
Ductus deferens
This type of surgery is used to create a “non-entry” teaser
Penis and prepuce deviation
What is the difference between a teaser and a non-entry teaser?
Non-entry teaser is FERTILE
Obstruction of the distal urinary tract with calculi is known as
urolithiasis
Removal of the penis is known as
Penectomy
Removal of one or both testicles is known as
Orichectomy
aka
Emasculation/Gelding/Cutting
For bloodless blunt castration, this tool is used to crush the
spermatic cord
Pincer/Burdizzo Emasculatome
What is the difference between a closed and open castration?
In closed, you DO NOT cut through the VAGINAL TUNIC.
In open, you do.
This type of emasculator has mostly crushing edges
but has a third handle at the bottom to cut the testicle off
REIMER emasculator
A SERRA emasculator has a cutting and crushing edge.
The wingnut should face the testicle.
You want the CRUSHING edge ______ to the body
and the
CUTTING edge ________ to the body
SERRA:
Crushing edge- PROXIMAL
Cutting edge- DISTAL (away from)
This is the smallest type of emasculator and is used on
small farm animals
HAUSMANN
This part of the male anatomy produces spermatozoa
Testes
This part of the male anatomy produces Sertoli and Leydig cells
Epididymis
At birth, foal testis are located in the
inguinal canal
For abdominal cryptorchidism,
_____-sided abdominal retention is most common
LEFT sided
T/F: Bilateral cryptorchidism is more common than unilateral
FALSE! Unilateral is more common
Which is more common in horses and donkeys?:
Inguinal or Abdominal cryptorchidism
TRICK QUESTION!
Inguinal and Abdominal cryptorchidism incidence is EQUAL
For a cryptorchidectomy, which 2 structures are ligated?
pampiniform plexus and ductus deferens
During cryptorchidectomy, you cannot find the retained testicle.
What do you do?
ABORT SX IMMEDIATELY!
During cryptorchidectomy, which structure do you suture?
EXTERNAL inguinal ring
(suturing the internal one is impossible)
What is “proud cut”?
Continued masculine behavior due to retention of epididymal tissue during cryptorchidectomy
Schirrous cord formation is also known as
Septic funiculitis
What is “false rigs”?
Continued masculine behavior due to a psychologic reflex
in horses that have been castrated at OLD age.
Castrated horses may still be fertile for up to _____ weeks
3 weeks