cephalic spine

cephalic spines

One of the spines, probably denticle derivatives, occurring singly or in pairs just behind the orbit on the cheek area in some fossil sharks. May have occurred only in males and may have served to hold the female during copulation, e.g. in the Jurassic genera Hybodus, Asteracanthus and Acrodus.

类型 Organ
上级结构 spine appendage of head
拉丁名称 cephalic spines

常见问题

What is the cephalic spine?
One of the spines, probably denticle derivatives, occurring singly or in pairs just behind the orbit on the cheek area in some fossil sharks. May have occurred only in males and may have served to hold the female during copulation, e.g. in the Jurassic genera Hybodus, Asteracanthus and Acrodus.
What is the Latin name for the cephalic spine?
The Latin name for the cephalic spine is cephalic spines.

相关结构

pedal digit 2 2nd toe replacement tooth trench replacement tooth crypt molar tooth 4 fourth molar tooth pallidum neuraxis pallidum central ray artery left lung alveolus alveolus of left lung raphe nuclei nuclei raphes ileum distal intestine

医学免责声明

本内容仅供教育和信息目的。不打算作为专业医疗建议、诊断或治疗的替代品。对于您可能对某种医疗状况有的任何问题，请始终寻求医生或其他合格医疗提供者的建议。切勿因在本网站上阅读的内容而忽视专业医疗建议或延迟寻求建议。