Oh Yeah, Developmental Biology!

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Jun 1
sperm cell abnormalities commonly observed in bull semen.
A.	Knobbed acrosome (common form) B.	Knobbed acrosome (beaded form) C.	Pyriform head (severe) D.	Pyriform head (moderate) E.	Pyriform head (slight) F.	Nuclear vacuoles G.	Diadem defects H.	Detached head I.	Distal reflex J. 	Dag-like defect (broken midpiece) K.	Dag-like defect (severely bent midpiece) L.	Proximal droplet M.	Distal droplet N.	Teratoid (severe) O.	Teratoid (moderate) P.	Normal spermatozoa

sperm cell abnormalities commonly observed in bull semen.

A. Knobbed acrosome (common form)
B. Knobbed acrosome (beaded form)
C. Pyriform head (severe)
D. Pyriform head (moderate)
E. Pyriform head (slight)
F. Nuclear vacuoles
G. Diadem defects
H. Detached head
I. Distal reflex
J. Dag-like defect (broken midpiece)
K. Dag-like defect (severely bent midpiece)
L. Proximal droplet
M. Distal droplet
N. Teratoid (severe)
O. Teratoid (moderate)
P. Normal spermatozoa