Histological and quantitative studies of the muscle spindles in human fetal infrahyoid muscles.
Muscle spindles were investigated in 19 human fetuses, aged 11 to 17 weeks. First spindles were observed in 11th week. The number of muscle spindles increases with advancement of the development being highest in the omohyoid muscle.
Jakubowicz
M
M
Department of Anatomy, Academy of Medicine, Poznań.
Radziemski
A
A
Kedzia
A
A
D005314:Embryonic and Fetal Development / Q000502:physiology; D006801:Humans; D006928:Hyoid Bone; D009470:Muscle Spindles / Q000196:embryology*; D009334:Neck Muscles / Q000196:embryology*