Morphology of Bull Spermatozoa

 

Primary Abnormalities

 

normal bull sperm head

Normal

 decapitated bull sperm head

Decapitated

 macroencephalic bull sperm head

Macrocephalic

 microencephalic bull seprm head with stump tail

Microcephalic and Stump Tail

pyriform bull sperm head

Pyriform

pyriform bull sperm head with cytoplasmic droplet 

Pyriform

 round head and double tail

Round and Double Tail

round head

Round head

Ruffled acrosome

tapered bull sperm head

Tapered

buyll sperm head with diadem defect

Craters (diadem)

microencephalic head

microcephalic

 brightfield photo of giant bull sperm head
 scanning em of cratered bull sperm


Secondary Abnormalities


photo of bull sperm with pyriform head and proximal cytoplasmic droplet

Proximal Cytoplasmic (Protoplasmic) Droplet

 

photo of translocationg  cytoplsmic droplet

Translocating Cytoplasmic Droplets

photo of tail opening following cytoplasmic translocation

Tail Opening
following Droplet Translocation

 

photo of tail opening following droplet translocation

Tail Opening
following Droplet Translocation

bull sperm with cytoplasmic droplet
 bull sperm iwth double head, neck and flagellum but one meidpiece

 photoplate of various tail defects

 A.  Coiled Tail with Droplet
 B.  Coiled Double Tail
 C.  "DAG" defect
 D.  Folded tail
 E.  Filamentous
 F.  Double Tail
 G.  Corkscrew Midpiece with Droplet
 H.  Corkscrew Midpiece

 

 bent tail

Bent Tail

 coiled tail

Coiled Tail

"DAG" defect

"DAG" defect

folded tail with pyriform head

Folded tail with
pyriform head

double tail

Double Tail