male repro

it is DIVERTICULUM of the ABDOMEN situated in front of the INGUINAL REGION and LODGES THE TESTICLES and its appendages

scrotum

which testicle is larger and placed further back

scrotum

thick and elastic, flesh coloured and is sparsely covered with SHORT HAIRS. it is marked centrally by a RAPHE SCROTI

SKIN

it resembles ox

ram and buck

it is IN the INGUINAL REGION

horse

the skin is DARK or BLACK coloured

horse

it is BEHIND the INGUINAL region

DOG

the skin of scrotum is PIGMENTED and COVERED SPARESLY with FINE HAIRS

DOG

the raphe is NOT DISTINCT

DOG

it is situated a SHORT DISTANCE from ANUS and is NOT SO SHARPLY DEFINED from the surrounding parts as in other animals

boar

it is absent as TESTICLES are ABDOMINAL in positions

cock

is attached along the CAUDAL BORDER of the testicle and slightly overlaps its LATERAL SURFACE

EPIDIDYMIS

part of testicle; is large and is closely adherent to the dorsal end of the testicle

head

part of testicle that is NARROW and lies along the LATERAL PART od the CAUDAL BORDER

body

part of testicle that is LARGE, attached to the VENTRAL END of the testicle

tail

testicles are ELLIPTICAL

boar

the spermatic cord is large and the cremaster muscle is WELL DEVELOPED

boar

the epididymis is closely attached to the testicle. its tail is very large and forms a blunt conical projection at the caudal end of the testicle

boar

small and oval

dog

they are suspended in an oblique

dog

epididymis is large and is along the dorsal border

dog

the testicle lies ventral to the CRANIAL LOBES of KIDNEYS

COCK

the right testicle is against DORSAL PART of the RIGHT LOBE OF LIVER

COCK

the left testicle is related to the glandular stomach

cock

they are BEAN shaped and BEAR on the CONCAVE BORDER a FLATTENED PROJECTION - the rudimentary epididymis

cock

an evagination of PARIETAL PERITONEUM PASSING through INGUINAL CANAL into the SCROTUM

tunica vaginalis

a long mucous tube extending from the neck of the bladder to the tip of the GLANS PENIS

URETHRA

it has therefore PELVIC and EXTRA PELVIC or PENILE PARTS

difference between ram and buck

none major

pelvic part is 10-12 cm long and 5-6 cm in diameter

stallion

the extra pelvic part is 1.5 cm in diameter

stallion

it has a very long pelvic part and covered by a thick urethral muscle

boar

the bulb of the urethra is well developed

dog

absent

cock

male copulatory organ and is composed of white fibrous tissue and a little erectile tissue

penis

it extends from the ISCHIAL ARCH FORWARD between the thighs to the UMBILICAL REGION of the abdominal wall

penis

just behind the scrotum it forms a S-shaped curve the _____ in which 30 cm of the penis is folded which is released during erection

sigmoid flexure

free end of the organ and is 8cm long. its extremity is pointed and twisted

glans penis

at the end of the process is the

urethral orifice

the free extremity is very distinctive with well developed urethral process developed urethral process continued beyond the glans penis

ram and buck

it is shorter but has a larger diameter, the length being about 50cm in the quiescent state

stallion

it undergoes 50% increase during erection

stallion

the erectile tissue is very rick in the elastic and muscular tissue and hence very soft

stallion

the glands is enlarged and its base forms a prominent margin _____. there is a depression in the glands known as ______

1. corona glandis

2. fossa glandis

resemble in general to that of the ox

boar

the sigmoid flexure however is prescrotal

boar

the cranial part is spirally twisted especially in erection

boar

the cranial part there is a bone os penis

dog

dog: the CAUDAL PART, there is a rounded ENLARGEMENT, the

BULBOUS GLANDIS

it compromises:

• 2 papillae of vas deferens

• 2 vascular bodies

• phallus

• 2 lymphatic folds

cock

a tubular sheath covering the cranial free portion of the penis in non-erect state

prepuce

prepuce: the _____ layer extends from the SCROTUM to about the UMBILUCUS

EXTERNAL

prepuce: the ___ or ____ extends to the tip of the GLANS

internal or penile

the prepuce is relatively short

ram and buck

it is SHORTER BUT WIDER. the orifice has NO HAIRS around it

stallion

a double invagination of the skin, which contains and covers the free part of the penis, which consists of two layers- external and internal

stallion

the preputial cavity is very long and partially divided by a circular fold into a CAUSAL NARROW PART and a much WIDER CRANIAL PART

boar

in the dorsal wall of the wide part, there is a circular opening, which leads to a CUL-DE-SAC, the preputial diverticulum

boar