In the micrograph below, with structure(s) is/are responsible for secreting nutrients for the ovum?

A 65-year-old man developed a lytic bone lesion involving femur epiphysis near knee joint.   The biopsy is shown as below.  What is the diagnosis?

To differentiate the large intestine from the small intestine, you can look for all of the following structures, except:

One of the functions of the integumentary system is protection.  Which of the following does NOT directly contribute to that function?

Miscroscopy shows increased intraepithelial lymphocytes within a colon. What form of colitis does this describe?

A painful benign bone lesion caused by excessive prostaglandin E2 production is a(an):

The most common type of cervical carcinoma is:

Infarct and squamous metaplasia can be seen in benign prostatic hyperplasia

The mucin type staining in the umbilical cord photomicrograph below is:

A liver biopsy with trichrome stain is shown in the figure below.  Ingestion of which of the following is most likely the cause of this condition?