bbc slide embryogenesis

BBC1 – K11 & BBC1-K12.

dr. Kamajaya,MSc,SpAnd.
Dep. Biologi FK-USU, Medan.

SPERMATOGENESIS

STRUKTUR OVARIUM
Mature Graafian follicle
ovulation
Corpus luteum

mesovarium

Cumulus cells

Tunica albuginea
stroma

capillary

First polar-body

Zona pellucida

Germinal epithelium
cytoplasm

Cortical granule

Human oocyte
140 µm

HYPOTHALAMUS
LHRH

HYPOPHYSIS

MECHANISMS
OF
OVULATION.

LH

PLASMA LH
OVARIUM
PLASMA E/P

E P
OVA

OVULATION

PLASMA E/P

PEMBENTUKAN BLASTOKISTA

Monoblastic embryo.
Diploblastic embryo.
- ectoderm
Morula

- entoderm.

Proses gastrulasi
Blastula

Gastrula

GERM-LAYERS
FORMATION.

POTONGAN VERTIKAL
REGIO EMBRIONAL BLASTOKISTA,
MENUNJUKKAN
PEMBENTUKAN LAPISAN ENDODERM.

2. Embryogenesis.
2.3. Embryonic germ layers.

DIFERENSIASI TROFOBLAS

DIFERENSIASI TROFOBLAS

DIFERENSIASI TROFOBLAS

DIFERENSIASI TROFOBLAS

DIFERENSIASI EMBRIOBLAS

Black cells = Embryo.

White cells = accessory tissues.

DIFERENSIASI EMBRIOBLAS