Bio Lab 2 Final

Male fetal pig

Identified by the swelled scrotal sac

Female fetal pig

Identified by the genital papilla near the urogenital opening

Urogenital opening

In females: ventral to the anus near the base of the tail

In males: caudal to the umbilical cord

Function: Channel for the release of urine from the body

Scrotum

Located near the anus, the testes are located inside this sac

Genital papilla

A short projection from the urogenital opening that develops into the clitoris

Transverse plane

Perpendicular to the long axis of the body separating an animal into cranial and caudal portions

Sagittal plane

Longitudinal section separating an animal into right and left sides

Frontal plane

Longitudinal section dividing an animal into dorsal and ventral parts

Dorsal

Side of the body nearest to the backbone

Ventral

Side of the body nearest to the belly

Caudal

Tail region

Cranial

Head region

Rostral

A point closer to the tip of the nose

Proximal

Point of reference nearer the median plane of the body than another structure

Distal

Point of reference farther from the body’s median plane than another structure

Medial

Closer to the middle of the body

Lateral

Closer to the sides of the body