At what developmental stage does the conceptus implant in the uterine wall?

A. Zygote
B. Trophoblast
C. Morula
D. Embryo
E. Blastocyst


Answer: E

Anatomy & Physiology

You might also like to view...

The layer of a vessel wall that contains smooth muscle is the tunica ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Oxygen is required in biological systems for

A) cellular respiration. B) storage of energy. C) serving as a structural component of bone. D) serving as a catalyst. E) chemical messengers.

Anatomy & Physiology

Which of the following events occurs last in intramembranous ossification?

A. Cancellous bone is formed. B. Periosteum is formed. C. Many tiny trabeculae of woven bone develop. D. A membrane of delicate collagen fibers develops. E. Osteoprogenitor cells become osteoblasts.

Anatomy & Physiology

Which of the following muscles flexes the wrist?

A. Extensor carpi radialis brevis B. Coracobrachialis C. Flexor carpi radialis D. Flexor pollicis brevis E. Anconeus

Anatomy & Physiology