BBC1 K11 & BBC1-K12. -...

BBC1 – K11 & BBC1-K12.

dr. Kamajaya,MSc,SpAnd.

Dep. Biologi FK-USU, Medan.

SPERMATOGENESIS

STRUKTUR OVARIUM

Tunica albuginea

mesovarium

Corpus luteum

stroma

Mature Graafian follicle

ovulation

Germinal epithelium

capillary

140 µm

Human oocyte

First polar-body

Cumulus cells

Zona pellucida

cytoplasm

Cortical granule

HYPOTHALAMUS

LHRH

HYPOPHYSIS

LH

OVARIUM

PLASMA LH

E P

OVA

OVULATION

PLASMA E/P PLASMA E/P

MECHANISMS

OF

OVULATION.

PEMBENTUKAN BLASTOKISTA

GERM-LAYERS

FORMATION.

Morula

Blastula

Proses gastrulasi

Gastrula

Monoblastic embryo.

Diploblastic embryo.

- ectoderm

- entoderm.

POTONGAN VERTIKAL

REGIO EMBRIONAL BLASTOKISTA,

MENUNJUKKAN

PEMBENTUKAN LAPISAN ENDODERM.

2. Embryogenesis.2.3. Embryonic germ layers.

DIFERENSIASI TROFOBLAS

DIFERENSIASI TROFOBLAS

DIFERENSIASI TROFOBLAS

DIFERENSIASI TROFOBLAS

Black cells = Embryo.

White cells = accessory tissues.

DIFERENSIASI EMBRIOBLAS

DIFERENSIASI EMBRIOBLAS