Question

Mention the exact location of the following:

a. Epididymis

b. Lacrimal gland

c. Malleus

d. Hydathodes

e. Pulmonary semilunar valve

Answer 1

a. Epididymis is a tube that connects a testicle to a vas deferens in the male reproductive system. It is located inside the scrotum and posterior to the testis.

b. Lacrimal gland is located within the orbit above the lateral end of the eye in the lacrimal fossa of the orbit. It secretes aqueous layer which cleanses and protects the surface of eye.

c. Malleus is also called as hammer. It is present in the middle ear. It is located between the tympanic membrane and the incus. It is attached to the inner surface of the eardrum.

d. Hydathodes are found at the leaves margins of angiosperms, aquatic plants and herbaceous plants growing in moist weather. They secrete water through pores in the epidermis.

e. Pulmonary semilunar valve is located between the right ventricle and the pulmonary artery and has three cusps. It prevents back flow of blood into the right ventricle.