Sperm Head

Known as: Caput (Spermatozoon), Head of the Spermatozoon, Caput of spermatozoon 
The anterior portion of the spermatozoon (SPERMATOZOA) that contains mainly the nucleus with highly compact CHROMATIN material.
National Institutes of Health

Related topics

Related topics

9 relations
ACRBP protein, humanMicrobiologicalProcess of secretionSpermatid
(More)

Narrower (1)

Acrosome

Broader (2)

Spermatogenesissperm cell

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2013
Highly Cited
2013
Rheotaxis Guides Mammalian Sperm
BACKGROUND In sea urchins, spermatozoan motility is altered by chemotactic peptides, giving rise to the assumption that mammalian… (More)
  • figure 2
  • figure 3
  • figure 4
  • figure 5
  • figure 6
Is this relevant?
Highly Cited
2005
Highly Cited
2005
Genetic effects on sperm design in the zebra finch
Sperm design and function are important determinants of male reproductive success and are expected to be under strong selection… (More)
  • figure 1
  • figure 2
  • table 2
  • figure 3
  • figure 1
Is this relevant?
Highly Cited
2004
Highly Cited
2004
Tyrosine phosphorylation activates surface chaperones facilitating sperm-zona recognition.
Mammalian spermatozoa undergo a series of molecular and biochemical changes collectively termed capacitation prior to acquiring… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Is this relevant?
Highly Cited
2003
Highly Cited
2003
Relative testis size and sperm morphometry across mammals: no evidence for an association between sperm competition and sperm length.
Understanding why there is extensive variation in sperm form and function across taxa has been a challenge because sperm are… (More)
  • table 1
  • figure 1
  • figure 2
Is this relevant?
Highly Cited
1996
Highly Cited
1996
Fertilization and development of mouse oocytes injected with isolated sperm heads.
To determine whether spermatozoa must be structurally intact before microsurgical injection into oocytes for normal fertilization… (More)
Is this relevant?
Highly Cited
1996
Highly Cited
1996
Calcium oscillations in mammalian eggs triggered by a soluble sperm protein
AT fertilization in mammals, the sperm induces a characteristic series of Ca2+ oscillations in the egg which serve as the… (More)
Is this relevant?
Highly Cited
1995
Highly Cited
1995
Intracytoplasmic sperm injection in the mouse.
Intracytoplasmic sperm injection (ICSI) into mouse oocytes involves a very low survival rate. This study was designed to… (More)
Is this relevant?
Highly Cited
1994
Highly Cited
1994
Centrosome assembly in vitro: role of gamma-tubulin recruitment in Xenopus sperm aster formation
Centrioles organize microtubules in two ways: either microtubules elongate from the centriole cylinder itself, forming a… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Is this relevant?
Highly Cited
1992
Highly Cited
1992
Complementarity between sperm surface β-l,4-galactosyl-transferase and egg-coat ZP3 mediates sperm–egg binding
DESPITE its importance, the molecular basis of mammalian gamete recognition has remained unclear. The enzyme β-1,4… (More)
Is this relevant?
Highly Cited
1988
Highly Cited
1988
Aberrant protamine 1/protamine 2 ratios in sperm of infertile human males
Protamines were extracted from the sperm of fertile and infertile human males and the relative proportion of protamines 1, 2, and… (More)
  • figure 1
  • figure 2
  • figure 3
Is this relevant?