KONEKSI MAKRO DAN MIKROANATOMI (ANATOMI DAN HISTOLOGI)

Pertemuan ke 4

Perkuliahan Anatomi dan Histologi HewanPendidikan Biologi

Fakultas Keguruan dan Ilmu Pendidikan

Universitas Sebelas Maret2021

Muscular vein with valve

Vein with valve

HAIR

•Filamentous strands of dead keratinized cells produced by hair follicles

•Contains hard keratin which is tougher and more durable than soft keratin of the skin

•Chief parts of a hairRoot – imbedded in the skin

Shaft – projects above skin's surface

HAIR

•Hair Shaft organized into three concentric layers

Medulla – central core

Cortex – surrounds medulla

Cuticle – outermost layer

•Pigmented by melanocytes at the base of the hair

TERIMAKASIH